gfs2: fsid=syz:syz.0: found 1 quota changes
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5835 at ./include/linux/backing-dev.h:255 inode_to_wb include/linux/backing-dev.h:251 [inline]
WARNING: CPU: 0 PID: 5835 at ./include/linux/backing-dev.h:255 folio_account_dirtied mm/page-writeback.c:2714 [inline]
WARNING: CPU: 0 PID: 5835 at ./include/linux/backing-dev.h:255 __folio_mark_dirty+0xa4f/0xeb0 mm/page-writeback.c:2766
Modules linked in:
CPU: 0 UID: 0 PID: 5835 Comm: syz-executor688 Not tainted 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2714 [inline]
RIP: 0010:__folio_mark_dirty+0xa4f/0xeb0 mm/page-writeback.c:2766
Code: 48 c7 c7 80 39 74 8b e8 5f d5 8a ff 90 0f 0b 90 90 e9 9e f7 ff ff e8 00 79 c6 ff 90 0f 0b 90 e9 23 fe ff ff e8 f2 78 c6 ff 90 <0f> 0b 90 e9 3e fa ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c b6 f7
RSP: 0018:ffffc90003a47608 EFLAGS: 00010093
RAX: ffffffff81f9575e RBX: ffffea0001da2b00 RCX: ffff8880279c5a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff888023dd1eff R09: 1ffff110047ba3df
R10: dffffc0000000000 R11: ffffed10047ba3e0 R12: ffff888023dd1d88
R13: 1ffff110047ba3df R14: 0000000000000000 R15: ffff888023dd1ef8
FS:  0000000000000000(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38c3366130 CR3: 0000000074cdc000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 mark_buffer_dirty+0x271/0x410 fs/buffer.c:1209
 gfs2_unpin+0x125/0x9c0 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x15e/0x1b0 fs/gfs2/lops.c:736
 lops_after_commit fs/gfs2/lops.h:51 [inline]
 gfs2_log_flush+0x10a2/0x24c0 fs/gfs2/log.c:1115
 do_sync+0xa1d/0xc60 fs/gfs2/quota.c:981
 gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357
 gfs2_sync_fs+0x4c/0xb0 fs/gfs2/super.c:670
 sync_filesystem+0xee/0x230 fs/sync.c:56
 generic_shutdown_super+0x6f/0x2c0 fs/super.c:621
 kill_block_super+0x44/0x90 fs/super.c:1710
 deactivate_locked_super+0xbc/0x130 fs/super.c:473
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1435
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x8d6/0x2550 kernel/exit.c:953
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 __do_sys_exit_group kernel/exit.c:1113 [inline]
 __se_sys_exit_group kernel/exit.c:1111 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1111
 x64_sys_call+0x21ba/0x21c0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f38c32d9b09
Code: Unable to access opcode bytes at 0x7f38c32d9adf.
RSP: 002b:00007ffd97102ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f38c32d9b09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f38c33682b0 R08: ffffffffffffffb8 R09: 00000000000125dc
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38c33682b0
R13: 0000000000000000 R14: 00007f38c3369020 R15: 00007f38c32a8050
 </TASK>