syzbot

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WARNING: CPU: 0 PID: 5840 at include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline]
WARNING: CPU: 0 PID: 5840 at include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2743 [inline]
WARNING: CPU: 0 PID: 5840 at include/linux/backing-dev.h:254 __folio_mark_dirty+0x907/0xed0 mm/page-writeback.c:2797
Modules linked in:
CPU: 0 UID: 0 PID: 5840 Comm: syz-executor491 Not tainted 6.12.0-syzkaller-01518-ga5c93bfec0be #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2743 [inline]
RIP: 0010:__folio_mark_dirty+0x907/0xed0 mm/page-writeback.c:2797
Code: f9 ff ff e8 1b 9b c4 ff 4c 89 f7 48 8b 34 24 e8 7f 18 38 00 eb 87 e8 08 9b c4 ff 90 0f 0b 90 e9 45 ff ff ff e8 fa 9a c4 ff 90 <0f> 0b 90 e9 40 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 07 f9
RSP: 0018:ffffc90003ea7890 EFLAGS: 00010093
RAX: ffffffff81d046a6 RBX: 0000000000000000 RCX: ffff8880343c0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888148d74cf8 R08: ffffffff81d041e2 R09: 1ffff110291ae99f
R10: dffffc0000000000 R11: ffffed10291ae9a0 R12: 0000000000000001
R13: ffff888148d74b88 R14: ffffea0001dff300 R15: 1ffff110291ae99f
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc0114aa78 CR3: 0000000074b5a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 mark_buffer_dirty+0x2a4/0x520 fs/buffer.c:1201
 gfs2_unpin+0x129/0xa60 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x14f/0x1a0 fs/gfs2/lops.c:738
 lops_after_commit fs/gfs2/lops.h:51 [inline]
 gfs2_log_flush+0x118f/0x2610 fs/gfs2/log.c:1115
 gfs2_kill_sb+0x5b/0x350 fs/gfs2/ops_fstype.c:1775
 deactivate_locked_super+0xc6/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x251/0x310 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xa2f/0x28e0 kernel/exit.c:938
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2e51044a49
Code: Unable to access opcode bytes at 0x7f2e51044a1f.
RSP: 002b:00007fff4cac05f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2e51044a49
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f2e510f92b0 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 00007fff4cac0520 R11: 0000000000000246 R12: 00007f2e510f92b0
R13: 0000000000000000 R14: 00007f2e510fa020 R15: 00007f2e51012f70
 </TASK>