syzbot

------------[ cut here ]------------
WARNING: CPU: 0 PID: 5830 at ./include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline]
WARNING: CPU: 0 PID: 5830 at ./include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2760 [inline]
WARNING: CPU: 0 PID: 5830 at ./include/linux/backing-dev.h:254 __folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2812
Modules linked in:
CPU: 0 UID: 0 PID: 5830 Comm: syz-executor113 Not tainted 6.13.0-rc2-syzkaller-00333-ga0e3919a2df2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2760 [inline]
RIP: 0010:__folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2812
Code: e8 0b 6f c4 ff 4c 89 ef 48 8b 34 24 e8 6f 05 33 00 e9 4a fe ff ff e8 f5 6e c4 ff 90 0f 0b 90 e9 08 fe ff ff e8 e7 6e c4 ff 90 <0f> 0b 90 e9 00 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cc f7
RSP: 0018:ffffc90003f27688 EFLAGS: 00010093
RAX: ffffffff81daef59 RBX: 0000000000000000 RCX: ffff88805714da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880234d4178 R08: ffffffff81dae955 R09: 1ffff1100469a82f
R10: dffffc0000000000 R11: ffffed100469a830 R12: ffff8880234d4008
R13: ffffea0001e22f00 R14: 0000000000000001 R15: 1ffff1100469a82f
FS:  000055555964d380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045bdd0 CR3: 000000007b9c2000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 mark_buffer_dirty+0x28e/0x440 fs/buffer.c:1196
 gfs2_unpin+0x129/0xa60 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x14f/0x1a0 fs/gfs2/lops.c:738
 lops_after_commit fs/gfs2/lops.h:51 [inline]
 gfs2_log_flush+0x118f/0x2610 fs/gfs2/log.c:1115
 do_sync+0xa0b/0xc60 fs/gfs2/quota.c:983
 gfs2_quota_sync+0x3bc/0x4a0 fs/gfs2/quota.c:1359
 gfs2_sync_fs+0x4d/0xc0 fs/gfs2/super.c:670
 sync_filesystem+0xef/0x230 fs/sync.c:56
 generic_shutdown_super+0x72/0x2d0 fs/super.c:621
 kill_block_super+0x44/0x90 fs/super.c:1710
 deactivate_locked_super+0xc6/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x251/0x310 kernel/task_work.c:239
 ptrace_notify+0x2d2/0x380 kernel/signal.c:2503
 ptrace_report_syscall include/linux/ptrace.h:415 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline]
 syscall_exit_work+0xc7/0x1d0 kernel/entry/common.c:173
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:200 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:205 [inline]
 syscall_exit_to_user_mode+0x24a/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f33edb16347
Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffee1dbd398 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f33edb16347
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffee1dbd450
RBP: 00007ffee1dbd450 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffee1dbe4b0
R13: 000055555964e6c0 R14: 0000000000000001 R15: 431bde82d7b634db
 </TASK>