Hastebin

 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
netlink: 12 bytes leftover after parsing attributes in process `syz.9.852'.
logical block size: 2048
INFO: task syz-executor:325 blocked for more than 143 seconds.
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error: 70 callbacks suppressed
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
      Not tainted 6.15.0 #1
EXT4-fs: 70 callbacks suppressed
EXT4-fs (loop0): I/O error while writing superblock
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
task:syz-executor    state:D
EXT4-fs (loop0): I/O error while writing superblock
 stack:25224 pid:325   tgid:325   ppid:1      task_flags:0x400140 flags:0x00004004
getblk(): invalid block size 1024 requested
Call Trace:
logical block size: 2048
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xe46/0x3510 kernel/sched/core.c:6767
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
EXT4-fs (loop0): I/O error while writing superblock
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0xdb/0x390 kernel/sched/core.c:6860
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
 wb_wait_for_completion+0x183/0x280 fs/fs-writeback.c:216
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
EXT4-fs (loop0): I/O error while writing superblock
getblk(): invalid block size 1024 requested
 sync_inodes_sb+0x1a7/0x9b0 fs/fs-writeback.c:2833
logical block size: 2048
CPU: 2 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
 sync_filesystem+0x17a/0x2a0 fs/sync.c:64
EXT4-fs (loop0): I/O error while writing superblock
 generic_shutdown_super+0x78/0x4a0 fs/super.c:621
getblk(): invalid block size 1024 requested
 kill_block_super+0x3b/0x90 fs/super.c:1710
logical block size: 2048
 ext4_kill_sb+0x6c/0xb0 fs/ext4/super.c:7393
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
 deactivate_locked_super+0xbf/0x1a0 fs/super.c:473
EXT4-fs (loop0): I/O error while writing superblock
 deactivate_super fs/super.c:506 [inline]
 deactivate_super+0xb1/0xd0 fs/super.c:502
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
 cleanup_mnt+0x2df/0x420 fs/namespace.c:1431
EXT4-fs (loop0): I/O error while writing superblock
getblk(): invalid block size 1024 requested
 task_work_run+0x172/0x280 kernel/task_work.c:227
logical block size: 2048
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x1d0/0x1e0 kernel/entry/common.c:218
logical block size: 2048
 do_syscall_64+0xcc/0x1d0 arch/x86/entry/syscall_64.c:100
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
logical block size: 2048
RIP: 0033:0x7f222175e3cb
RSP: 002b:00007fffdb8317f8 EFLAGS: 00000246
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000025 RCX: 00007f222175e3cb
logical block size: 2048
RDX: 00007f22215ffc90 RSI: 0000000000000009 RDI: 00007fffdb8318c0
RBP: 00007fffdb8318c0 R08: 0000000000000000 R09: 00007fffdb831680
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
R10: 000055557517c553 R11: 0000000000000246 R12: 00007f22217f69ce
logical block size: 2048
R13: 00007fffdb832990 R14: 000055557517c4e0 R15: 00007fffdb8329d0
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 </TASK>
logical block size: 2048

Showing all locks held in the system:
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
1 lock held by ksoftirqd/7/52:
logical block size: 2048
1 lock held by rcu_tasks_trace/58:
 #0: ffffffffbc21b510
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 (
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
rcu_tasks_trace.tasks_gp_mutex){+.+.}-{4:4}
logical block size: 2048
, at: rcu_tasks_one_gp+0x6be/0xcf0 kernel/rcu/tasks.h:613
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
1 lock held by khungtaskd/60:
logical block size: 2048
 #0: ffffffffbc21c040 (rcu_read_lock
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
){....}-{1:3}
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6764
logical block size: 2048
1 lock held by in:imklog/225:
2 locks held by syz-executor/325:
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 #0: ffff88810721e0e0
logical block size: 2048
 (&type->s_umount_key#46){++++}-{4:4}
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
, at: __super_lock fs/super.c:56 [inline]
, at: __super_lock_excl fs/super.c:71 [inline]
, at: deactivate_super fs/super.c:505 [inline]
, at: deactivate_super+0xa9/0xd0 fs/super.c:502
logical block size: 2048
 #1: ffff888108c9c7d0
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 (
logical block size: 2048
&bdi->wb_switch_rwsem){++++}-{4:4}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:387 [inline]
&bdi->wb_switch_rwsem){++++}-{4:4}, at: sync_inodes_sb+0x18d/0x9b0 fs/fs-writeback.c:2831
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
5 locks held by kworker/u32:12/657:
logical block size: 2048
1 lock held by syz.7.587/10282:
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 #0: 
logical block size: 2048
ffff88810721e0e0 (&type->s_umount_key
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
#46
logical block size: 2048
){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
){++++}-{4:4}, at: super_lock+0x313/0x3e0 fs/super.c:120
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
1 lock held by syz.7.587/10283:
logical block size: 2048
 #0: ffff88810721e0e0
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 (
logical block size: 2048
&type->s_umount_key
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
#46){++++}-{4:4}
logical block size: 2048
, at: __super_lock fs/super.c:58 [inline]
, at: super_lock+0x313/0x3e0 fs/super.c:120
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
1 lock held by syz.0.642/10969:
logical block size: 2048
 #0: ffff88810721e0e0 (&type->s_umount_key
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
#46
logical block size: 2048
){++++}-{4:4}
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
, at: __super_lock fs/super.c:56 [inline]
, at: super_lock+0x1c8/0x3e0 fs/super.c:120
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
3 locks held by journal-offline/13578:
logical block size: 2048
2 locks held by (agetty)/13385:
 #0: ffffffffbc4fb8c8 (
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
tty_mutex
logical block size: 2048
){+.+.}-{4:4}
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
, at: tty_open_by_driver drivers/tty/tty_io.c:2046 [inline]
, at: tty_open+0x532/0x1320 drivers/tty/tty_io.c:2129
logical block size: 2048
 #1: 
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
ffff8881387251c0 (
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
&tty->legacy_mutex
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
){+.+.}-{4:4}
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
, at: tty_init_dev.part.0+0x39/0x510 drivers/tty/tty_io.c:1415
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
3 locks held by syz.4.841/13505:
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 #0: ffff88810af0f0a0
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 (
logical block size: 2048
&tty->ldisc_sem
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 #1: ffff88810af0f130
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 (&tty->atomic_write_lock
){+.+.}-{4:4}
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
, at: tty_write_lock drivers/tty/tty_io.c:948 [inline]
, at: iterate_tty_write drivers/tty/tty_io.c:967 [inline]
, at: file_tty_write.constprop.0+0x24e/0x990 drivers/tty/tty_io.c:1090
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 #2: 
ffff88810af0f2e8
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 (&tty->termios_rwsem
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
){++++}-{4:4}
, at: n_tty_write+0x1c1/0x1060 drivers/tty/n_tty.c:2360
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
1 lock held by syz.2.843/13517:
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 #0: ffffffffbc287368
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 (event_mutex
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
){+.+.}-{4:4}
, at: perf_trace_destroy+0x27/0x1c0 kernel/trace/trace_event_perf.c:239
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
1 lock held by syz.3.846/13528:
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 #0: ffffffffbc287368
logical block size: 2048
 (
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
event_mutex
){+.+.}-{4:4}
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
, at: perf_trace_destroy+0x27/0x1c0 kernel/trace/trace_event_perf.c:239
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 kthread+0x3c8/0x740 kernel/kthread.c:464
2 locks held by syz.9.852/13555:
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
 #0: 
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
ffffffffbe80c750
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 (&pmus_srcu
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
){.+.+}-{0:0}
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
, at: srcu_lock_acquire include/linux/srcu.h:161 [inline]
, at: srcu_read_lock include/linux/srcu.h:253 [inline]
, at: class_srcu_constructor include/linux/srcu.h:522 [inline]
, at: perf_init_event kernel/events/core.c:12359 [inline]
, at: perf_event_alloc.part.0+0xe6c/0x42d0 kernel/events/core.c:12672
logical block size: 2048
 #1: ffffffffbc287368 (event_mutex){+.+.}-{4:4}, at: perf_trace_init+0x4d/0x2f0 kernel/trace/trace_event_perf.c:221
2 locks held by syz.9.852/13568:
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:161 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:253 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: class_srcu_constructor include/linux/srcu.h:522 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: perf_init_event kernel/events/core.c:12359 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xe6c/0x42d0 kernel/events/core.c:12672
 #1: ffffffffbc287368 (event_mutex){+.+.}-{4:4}, at: perf_trace_init+0x4d/0x2f0 kernel/trace/trace_event_perf.c:221
2 locks held by syz.7.855/13573:
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:161 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:253 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: class_srcu_constructor include/linux/srcu.h:522 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: perf_init_event kernel/events/core.c:12359 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xe6c/0x42d0 kernel/events/core.c:12672
 #1: ffffffffbc287368 (event_mutex){+.+.}-{4:4}, at: perf_trace_init+0x4d/0x2f0 kernel/trace/trace_event_perf.c:221
2 locks held by syz.7.855/13575:
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:161 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:253 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: class_srcu_constructor include/linux/srcu.h:522 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: perf_init_event kernel/events/core.c:12359 [inline]
 #0: ffffffffbe80c750 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xe6c/0x42d0 kernel/events/core.c:12672
 #1: ffffffffbc287368 (event_mutex){+.+.}-{4:4}, at: perf_trace_init+0x4d/0x2f0 kernel/trace/trace_event_perf.c:221
1 lock held by syz.6.854/13580:
 #0: ffffffffbc229440 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x49/0x690 kernel/rcu/tree.c:3774

=============================================

systemd-journald[11039]: /dev/kmsg buffer overrun, some messages lost.
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
systemd[1]: Started Journal Service.
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error: 78 callbacks suppressed
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
EXT4-fs error (device loop5): htree_dirblock_to_tree:1079: inode #2: block 13: comm syz-executor: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=1024 fake=0
buffer_io_error: 92 callbacks suppressed
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs error (device loop5): ext4_lookup:1791: inode #2: comm syz-executor: deleted inode referenced: 15
EXT4-fs: 78 callbacks suppressed
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop5): ext4_lookup:1791: inode #2: comm syz-executor: deleted inode referenced: 15
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 3 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: Out of memory
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): __ext4_ext_dirty:207: inode #18: comm kworker/u32:12: mark_inode_dirty error
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 4 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 4 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 4 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 3 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 3 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 3 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 2 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 7 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 3 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 4 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 4 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 6 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 3 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 6 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 6 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 6 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 6 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 5 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 4 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656
 __writeback_single_inode+0x10d/0xd70 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x5ba/0xe30 fs/fs-writeback.c:1976
 wb_writeback+0x3b1/0xa40 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x151/0xb50 fs/fs-writeback.c:2343
 process_one_work+0x8df/0x19d0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x67e/0xe90 kernel/workqueue.c:3400
 kthread+0x3c8/0x740 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 4 UID: 0 PID: 657 Comm: kworker/u32:12 Not tainted 6.15.0 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xfa/0x120 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x5e2/0x680 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x4f8/0x1390 fs/ext4/inode.c:4455
 ext4_get_inode_loc+0xbd/0x160 fs/ext4/inode.c:4583
 ext4_reserve_inode_write+0x150/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x162/0x7f0 fs/ext4/inode.c:6066
 __ext4_ext_dirty+0x1b2/0x230 fs/ext4/extents.c:207
 ext4_split_extent_at+0x873/0x1020 fs/ext4/extents.c:3227
 ext4_split_extent+0x3b8/0x640 fs/ext4/extents.c:3403
 ext4_split_convert_extents+0x2da/0x370 fs/ext4/extents.c:3740
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3912 [inline]
 ext4_ext_map_blocks+0x2a97/0x5bc0 fs/ext4/extents.c:4271
 ext4_map_create_blocks fs/ext4/inode.c:520 [inline]
 ext4_map_blocks+0x3ef/0x14d0 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x1bca/0x3250 fs/ext4/inode.c:2739
 ext4_writepages+0x369/0x7a0 fs/ext4/inode.c:2829
 do_writepages+0x1aa/0x810 mm/page-writeback.c:2656