------------[ cut here ]------------
WARNING: CPU: 1 PID: 5926 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:252 [inline]
WARNING: CPU: 1 PID: 5926 at include/linux/backing-dev.h:256 folio_account_dirtied mm/page-writeback.c:2640 [inline]
WARNING: CPU: 1 PID: 5926 at include/linux/backing-dev.h:256 __folio_mark_dirty+0x908/0x10f0 mm/page-writeback.c:2691
Modules linked in:
CPU: 1 PID: 5926 Comm: syz.0.17 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:252 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2640 [inline]
RIP: 0010:__folio_mark_dirty+0x908/0x10f0 mm/page-writeback.c:2691
Code: e9 9c f8 ff ff e8 b8 91 ce ff 0f 0b e9 e3 f8 ff ff e8 ac 91 ce ff 48 89 df 48 8b 74 24 28 e8 4f 35 2e 00 eb a6 e8 98 91 ce ff <0f> 0b e9 8e fb ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c fc f8 ff
RSP: 0018:ffffc900020af648 EFLAGS: 00010093
RAX: ffffffff81b88e88 RBX: ffffea0001f5d540 RCX: ffff888031515a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff888148d0418f R09: 1ffff110291a0831
R10: dffffc0000000000 R11: ffffed10291a0832 R12: 1ffff110291a0831
R13: ffff888148d04010 R14: 0000000000000000 R15: ffff888148d04188
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00003b083d120000 CR3: 000000000cf32000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 mark_buffer_dirty+0x26e/0x4c0 fs/buffer.c:1212
 gfs2_unpin+0x125/0x9a0 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x15e/0x1b0 fs/gfs2/lops.c:745
 lops_after_commit fs/gfs2/lops.h:51 [inline]
 gfs2_log_flush+0x10e6/0x2500 fs/gfs2/log.c:1117
 gfs2_kill_sb+0x5d/0x320 fs/gfs2/ops_fstype.c:1789
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x95a/0x2460 kernel/exit.c:883
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1024
 get_signal+0x12fc/0x13f0 kernel/signal.c:2902
 arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x9/0x30 kernel/entry/common.c:315
 exc_page_fault+0x8c/0x100 arch/x86/mm/fault.c:1519
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f1e4e2527f0
Code: Unable to access opcode bytes at 0x7f1e4e2527c6.
RSP: 002b:00007ffdcbcc0838 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007f1e4e39c819
RDX: 00007ffdcbcc0840 RSI: 00007ffdcbcc0970 RDI: 000000000000000b
RBP: 00007f1e4e432c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f1e4e615fac R14: 00007f1e4e615fa0 R15: 00007f1e4e615fa0
 </TASK>