------------[ cut here ]------------
WARNING: CPU: 0 PID: 4190 at include/linux/backing-dev.h:289 inode_to_wb include/linux/backing-dev.h:285 [inline]
WARNING: CPU: 0 PID: 4190 at include/linux/backing-dev.h:289 account_page_dirtied mm/page-writeback.c:2474 [inline]
WARNING: CPU: 0 PID: 4190 at include/linux/backing-dev.h:289 __set_page_dirty+0xae2/0xdb0 mm/page-writeback.c:2522
Modules linked in:
CPU: 0 PID: 4190 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:inode_to_wb include/linux/backing-dev.h:285 [inline]
RIP: 0010:account_page_dirtied mm/page-writeback.c:2474 [inline]
RIP: 0010:__set_page_dirty+0xae2/0xdb0 mm/page-writeback.c:2522
Code: e1 d7 ff 49 ff cf e9 5c fc ff ff e8 28 e1 d7 ff 48 ff cb e9 e6 fb ff ff e8 1b e1 d7 ff 48 ff cb e9 c4 fc ff ff e8 0e e1 d7 ff <0f> 0b 43 80 3c 3e 00 0f 85 99 f9 ff ff e9 9c f9 ff ff 89 d9 80 e1
RSP: 0018:ffffc90002e3f818 EFLAGS: 00010093
RAX: ffffffff81a13392 RBX: 0000000000000000 RCX: ffff88807929d940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea00007bb3c0 R08: ffffffff8d8b1eef R09: 1ffffffff1b163dd
R10: dffffc0000000000 R11: fffffbfff1b163de R12: ffff88801709f080
R13: ffff88801709f1f8 R14: 1ffff11002e13e3f R15: dffffc0000000000
FS:  000055555d96d500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc6501d79e0 CR3: 0000000062da2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mark_buffer_dirty+0x2d7/0x490 fs/buffer.c:1108
 gfs2_unpin+0x134/0xa00 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x161/0x1b0 fs/gfs2/lops.c:750
 lops_after_commit fs/gfs2/lops.h:49 [inline]
 __gfs2_log_flush+0x1179/0x25f0 fs/gfs2/log.c:1110
 gfs2_log_flush+0x30/0x40 fs/gfs2/log.c:1174
 do_sync+0x8fd/0xba0 fs/gfs2/quota.c:986
 gfs2_quota_sync+0x355/0x780 fs/gfs2/quota.c:1329
 gfs2_sync_fs+0x48/0xb0 fs/gfs2/super.c:651
 sync_filesystem+0xe6/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x300 fs/super.c:448
 kill_block_super+0x7c/0xe0 fs/super.c:1438
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x426/0x4d0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f22f1ae0397
Code: a2 c7 05 5c 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd3787bc48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f22f1b754bb RCX: 00007f22f1ae0397
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3787bd00
RBP: 00007ffd3787bd00 R08: 00007ffd3787cd00 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd3787cd90
R13: 00007f22f1b754bb R14: 000000000002e50c R15: 00007ffd3787cdd0
 </TASK>