------------[ cut here ]------------
WARNING: CPU: 0 PID: 4981 at include/linux/backing-dev.h:289 inode_to_wb include/linux/backing-dev.h:285 [inline]
WARNING: CPU: 0 PID: 4981 at include/linux/backing-dev.h:289 account_page_dirtied mm/page-writeback.c:2474 [inline]
WARNING: CPU: 0 PID: 4981 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0 mm/page-writeback.c:2522
Modules linked in:
CPU: 0 PID: 4981 Comm: gfs2_quotad Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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+0xaf5/0xdc0 mm/page-writeback.c:2522
Code: 51 d8 ff 49 ff cf e9 5b fc ff ff e8 15 51 d8 ff 48 ff cb e9 e4 fb ff ff e8 08 51 d8 ff 48 ff cb e9 c4 fc ff ff e8 fb 50 d8 ff <0f> 0b 43 80 3c 3e 00 0f 85 8f f9 ff ff e9 92 f9 ff ff 89 d9 80 e1
RSP: 0018:ffffc9000390f858 EFLAGS: 00010093
RAX: ffffffff819f7a25 RBX: 0000000000000000 RCX: ffff888021e23b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea0001df8580 R08: dffffc0000000000 R09: fffffbfff1ad323e
R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: ffff8881408386b8
R13: ffff888140838830 R14: 1ffff11028107106 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555802d85c8 CR3: 0000000062a0e000 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+0x126/0x9a0 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x15a/0x1a0 fs/gfs2/lops.c:750
 lops_after_commit fs/gfs2/lops.h:49 [inline]
 gfs2_log_flush+0x1145/0x2610 fs/gfs2/log.c:1108
 do_sync+0x98b/0xc00 fs/gfs2/quota.c:986
 gfs2_quota_sync+0x32c/0x6f0 fs/gfs2/quota.c:1329
 quotad_check_timeo fs/gfs2/quota.c:1519 [inline]
 gfs2_quotad+0x3f6/0x880 fs/gfs2/quota.c:1586
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>