gfs2: fsid=syz:syz.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3546 at include/linux/backing-dev.h:246 folio_account_dirtied mm/page-writeback.c:2565 [inline]
WARNING: CPU: 1 PID: 3546 at include/linux/backing-dev.h:246 __folio_mark_dirty+0x924/0x1140 mm/page-writeback.c:2616
Modules linked in:
CPU: 1 PID: 3546 Comm: syz-executor408 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:inode_to_wb include/linux/backing-dev.h:243 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2565 [inline]
RIP: 0010:__folio_mark_dirty+0x924/0x1140 mm/page-writeback.c:2616
Code: e9 90 f8 ff ff e8 7c ec cf ff 0f 0b e9 e3 f8 ff ff e8 70 ec cf ff 4c 89 f7 48 8b 74 24 20 e8 53 91 2e 00 eb 9f e8 5c ec cf ff <0f> 0b e9 36 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f8 f8 ff
RSP: 0018:ffffc90003b3f8b8 EFLAGS: 00010093
RAX: ffffffff81baa304 RBX: 0000000000000000 RCX: ffff88807cd70000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888148dec978 R08: ffffffff81ba9e34 R09: ffffed10291bd930
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff888148dec800 R14: ffffea0001f58e00 R15: 1ffff110291bd92f
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0cb16da130 CR3: 000000000ce8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __set_page_dirty include/linux/pagemap.h:1088 [inline]
 mark_buffer_dirty+0x34f/0x7d0 fs/buffer.c:1105
 gfs2_unpin+0x129/0xa60 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x14b/0x1a0 fs/gfs2/lops.c:747
 lops_after_commit fs/gfs2/lops.h:49 [inline]
 gfs2_log_flush+0x1151/0x2610 fs/gfs2/log.c:1116
 gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1732
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa73/0x26a0 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0cb164e789
Code: Unable to access opcode bytes at 0x7f0cb164e75f.
RSP: 002b:00007ffeed657fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0cb164e789
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f0cb16dc2b0 R08: ffffffffffffffb8 R09: 00007ffeed6580a0
R10: 00007ffeed657ef0 R11: 0000000000000246 R12: 00007f0cb16dc2b0
R13: 0000000000000000 R14: 00007f0cb16dd020 R15: 00007f0cb161ccc0
 </TASK>