------------[ cut here ]------------
WARNING: CPU: 1 PID: 4266 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline]
WARNING: CPU: 1 PID: 4266 at include/linux/backing-dev.h:247 folio_account_dirtied mm/page-writeback.c:2587 [inline]
WARNING: CPU: 1 PID: 4266 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x937/0x11c0 mm/page-writeback.c:2638
Modules linked in:
CPU: 1 PID: 4266 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:inode_to_wb include/linux/backing-dev.h:243 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2587 [inline]
RIP: 0010:__folio_mark_dirty+0x937/0x11c0 mm/page-writeback.c:2638
Code: e9 90 f8 ff ff e8 f9 7a d3 ff 0f 0b e9 e1 f8 ff ff e8 ed 7a d3 ff 48 89 df 48 8b 74 24 18 e8 90 40 2b 00 eb a6 e8 d9 7a d3 ff <0f> 0b 43 80 3c 2c 00 0f 85 9c fb ff ff e9 9f fb ff ff 89 c2 80 e2
RSP: 0018:ffffc900045c7a58 EFLAGS: 00010093
RAX: ffffffff81aef7d7 RBX: ffffea0001834e00 RCX: ffff8880793e0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffea0001834e07 R09: 1ffffd40003069c0
R10: dffffc0000000000 R11: fffff940003069c1 R12: 1ffff11002f1292f
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888017894978
FS:  000055556f824500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8d429e9e80 CR3: 000000005e273000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __set_page_dirty include/linux/pagemap.h:1090 [inline]
 mark_buffer_dirty+0x33f/0x7a0 fs/buffer.c:1105
 gfs2_unpin+0x125/0x9a0 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x15a/0x1a0 fs/gfs2/lops.c:747
 lops_after_commit fs/gfs2/lops.h:49 [inline]
 gfs2_log_flush+0x1115/0x2540 fs/gfs2/log.c:1117
 gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1729
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x42c/0x4b0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8fbdd9d9d7
Code: a2 c7 05 1c ed 24 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:00007ffd6265dab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f8fbde31f90 RCX: 00007f8fbdd9d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd6265db70
RBP: 00007ffd6265db70 R08: 00007ffd6265eb70 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6265ec00
R13: 00007f8fbde31f90 R14: 0000000000027f2c R15: 00007ffd6265ec40
 </TASK>