------------[ cut here ]------------
WARNING: CPU: 1 PID: 21064 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:252 [inline]
WARNING: CPU: 1 PID: 21064 at include/linux/backing-dev.h:256 folio_account_dirtied mm/page-writeback.c:2640 [inline]
WARNING: CPU: 1 PID: 21064 at include/linux/backing-dev.h:256 __folio_mark_dirty+0x91c/0x1160 mm/page-writeback.c:2691
Modules linked in:
CPU: 1 PID: 21064 Comm: syz.3.5236 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:252 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2640 [inline]
RIP: 0010:__folio_mark_dirty+0x91c/0x1160 mm/page-writeback.c:2691
Code: e9 88 f8 ff ff e8 c4 83 ce ff 0f 0b e9 cf f8 ff ff e8 b8 83 ce ff 48 89 df 48 8b 74 24 10 e8 8b 7e 2e 00 eb a6 e8 a4 83 ce ff <0f> 0b e9 69 fb ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c e8 f8 ff
RSP: 0018:ffffc9000328f628 EFLAGS: 00010093
RAX: ffffffff81b8ee7c RBX: ffffea0000bd8780 RCX: ffff888025e7bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffea0000bd8787 R09: 1ffffd400017b0f0
R10: dffffc0000000000 R11: fffff9400017b0f1 R12: 0000000000000000
R13: ffff88802008aa20 R14: 1ffff11004011573 R15: ffff88802008ab98
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb52c0f6000 CR3: 0000000065262000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 mark_buffer_dirty+0x26e/0x4d0 fs/buffer.c:1212
 gfs2_unpin+0x125/0xa00 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x165/0x1b0 fs/gfs2/lops.c:745
 lops_after_commit fs/gfs2/lops.h:51 [inline]
 __gfs2_log_flush+0x10c5/0x24d0 fs/gfs2/log.c:1118
 gfs2_log_flush+0x34/0x50 fs/gfs2/log.c:1180
 gfs2_kill_sb+0x5c/0x2e0 fs/gfs2/ops_fstype.c:1789
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x3d7/0x460 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+0x986/0x2530 kernel/exit.c:890
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1032
 get_signal+0x12a6/0x1390 kernel/signal.c:2911
 arch_do_signal_or_restart+0xc2/0x7b0 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: 0033:0x7fd19679e0e1
Code: Unable to access opcode bytes at 0x7fd19679e0b7.
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fd196a26090 RCX: 00007fd19679e0d9
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007fd196835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fd196a26128 R14: 00007fd196a26090 R15: 00007ffc995e7a98
 </TASK>