syzbot

gfs2: fsid=syz:syz.0: first mount done, others may mount
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WARNING: CPU: 1 PID: 4245 at include/linux/backing-dev.h:246 folio_account_dirtied mm/page-writeback.c:2587 [inline]
WARNING: CPU: 1 PID: 4245 at include/linux/backing-dev.h:246 __folio_mark_dirty+0x924/0x1140 mm/page-writeback.c:2638
Modules linked in:
CPU: 1 PID: 4245 Comm: syz-executor381 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:inode_to_wb include/linux/backing-dev.h:243 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2587 [inline]
RIP: 0010:__folio_mark_dirty+0x924/0x1140 mm/page-writeback.c:2638
Code: e9 90 f8 ff ff e8 0c 07 d0 ff 0f 0b e9 e3 f8 ff ff e8 00 07 d0 ff 4c 89 f7 48 8b 74 24 20 e8 e3 b2 2e 00 eb 9f e8 ec 06 d0 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:ffffc900039f78b0 EFLAGS: 00010093
RAX: ffffffff81baa2d4 RBX: 0000000000000000 RCX: ffff888079f75940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888140c86a78 R08: ffffffff81ba9e04 R09: ffffed1028190d50
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff888140c86900 R14: ffffea0001e49880 R15: 1ffff11028190d4f
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8553efa130 CR3: 000000002fcad000 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+0x129/0xa50 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+0x1175/0x25d0 fs/gfs2/log.c:1116
 gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1729
 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:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa6e/0x26a0 kernel/exit.c:871
 do_group_exit+0x202/0x2b0 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+0x3b/0x40 kernel/exit.c:1030
 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: 0033:0x7f8553e6db09
Code: Unable to access opcode bytes at 0x7f8553e6dadf.
RSP: 002b:00007ffd3601aa88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8553e6db09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f8553efc2b0 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 00007ffd3601a9b0 R11: 0000000000000246 R12: 00007f8553efc2b0
R13: 0000000000000000 R14: 00007f8553efd020 R15: 00007f8553e3c030
 </TASK>