syzbot

gfs2: fsid=syz:syz.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3570 at include/linux/backing-dev.h:288 account_page_dirtied mm/page-writeback.c:2474 [inline]
WARNING: CPU: 0 PID: 3570 at include/linux/backing-dev.h:288 __set_page_dirty+0xa69/0xd40 mm/page-writeback.c:2522
Modules linked in:
CPU: 0 PID: 3570 Comm: syz-executor343 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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+0xa69/0xd40 mm/page-writeback.c:2522
Code: 0d d5 ff 49 ff cf e9 6b fc ff ff e8 61 0d d5 ff 48 ff cb e9 fb fb ff ff e8 54 0d d5 ff 48 ff cb e9 c9 fc ff ff e8 47 0d d5 ff <0f> 0b 43 80 3c 2f 00 0f 85 b1 f9 ff ff e9 b4 f9 ff ff 89 d9 80 e1
RSP: 0018:ffffc90002e17990 EFLAGS: 00010093
RAX: ffffffff81ab4d29 RBX: ffff8880174fceb0 RCX: ffff8880721cd940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81ab46d3 R09: ffffed1002e9f9d7
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880174fcd38
R13: dffffc0000000000 R14: ffffea0001d9f4c0 R15: 1ffff11002e9f9d6
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561d730e9f40 CR3: 0000000078830000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mark_buffer_dirty+0x2e4/0x4b0 fs/buffer.c:1108
 gfs2_unpin+0x11e/0xa50 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x14b/0x1a0 fs/gfs2/lops.c:750
 lops_after_commit fs/gfs2/lops.h:49 [inline]
 gfs2_log_flush+0x11e0/0x2680 fs/gfs2/log.c:1108
 gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1734
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x6a3/0x2480 kernel/exit.c:874
 do_group_exit+0x144/0x310 kernel/exit.c:996
 __do_sys_exit_group kernel/exit.c:1007 [inline]
 __se_sys_exit_group kernel/exit.c:1005 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f427cd289c9
Code: Unable to access opcode bytes at RIP 0x7f427cd2899f.
RSP: 002b:00007ffce1344f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f427cd289c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f427cdb62b0 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 00007ffce1344ec0 R11: 0000000000000246 R12: 00007f427cdb62b0
R13: 0000000000000000 R14: 00007f427cdb7020 R15: 00007f427ccf6f00
 </TASK>