syzbot

gfs2: fsid=syz:syz.0: found 1 quota changes
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WARNING: CPU: 0 PID: 5061 at include/linux/backing-dev.h:255 inode_to_wb include/linux/backing-dev.h:252 [inline]
WARNING: CPU: 0 PID: 5061 at include/linux/backing-dev.h:255 folio_account_dirtied mm/page-writeback.c:2618 [inline]
WARNING: CPU: 0 PID: 5061 at include/linux/backing-dev.h:255 __folio_mark_dirty+0x907/0x10c0 mm/page-writeback.c:2669
Modules linked in:
CPU: 0 PID: 5061 Comm: syz-executor310 Not tainted 6.7.0-rc2-syzkaller-00014-gc2d5304e6c64 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:inode_to_wb include/linux/backing-dev.h:252 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2618 [inline]
RIP: 0010:__folio_mark_dirty+0x907/0x10c0 mm/page-writeback.c:2669
Code: ff ff e8 ac 1e ca ff 90 0f 0b 90 e9 e4 f8 ff ff e8 9e 1e ca ff 4c 89 f7 48 8b 74 24 20 e8 81 d9 2d 00 eb 9b e8 8a 1e ca ff 90 <0f> 0b 90 e9 30 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f7 f8
RSP: 0018:ffffc90003947628 EFLAGS: 00010093
RAX: ffffffff81c45af6 RBX: 0000000000000000 RCX: ffff888056203b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888148c887f8 R08: ffffffff81c45622 R09: 1ffff110291910ff
R10: dffffc0000000000 R11: ffffed1029191100 R12: 0000000000000001
R13: ffff888148c88680 R14: ffffea00007145c0 R15: 1ffff110291910ff
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f33dcdb2130 CR3: 000000000d730000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mark_buffer_dirty+0x290/0x500 fs/buffer.c:1200
 gfs2_unpin+0x129/0xa60 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x14f/0x1a0 fs/gfs2/lops.c:745
 lops_after_commit fs/gfs2/lops.h:51 [inline]
 gfs2_log_flush+0x119b/0x25f0 fs/gfs2/log.c:1115
 do_sync+0xa30/0xec0 fs/gfs2/quota.c:1010
 gfs2_quota_sync+0x3c8/0x590 fs/gfs2/quota.c:1370
 gfs2_sync_fs+0x4d/0xb0 fs/gfs2/super.c:669
 sync_filesystem+0xec/0x220 fs/sync.c:56
 generic_shutdown_super+0x72/0x2c0 fs/super.c:669
 kill_block_super+0x44/0x90 fs/super.c:1667
 deactivate_locked_super+0xc1/0x130 fs/super.c:484
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1256
 task_work_run+0x24a/0x300 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa34/0x2750 kernel/exit.c:871
 do_group_exit+0x206/0x2c0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1030
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f33dcd26749
Code: Unable to access opcode bytes at 0x7f33dcd2671f.
RSP: 002b:00007ffc91eb1c98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f33dcd26749
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f33dcdb42b0 R08: ffffffffffffffb8 R09: 000000000001252a
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f33dcdb42b0
R13: 0000000000000000 R14: 00007f33dcdb5020 R15: 00007f33dccf4c70
 </TASK>