ocfs2: Unmounting device (7,8) on (node local)
VFS: Busy inodes after unmount of loop8 (ocfs2)
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kernel BUG at fs/super.c:505!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14130 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
RIP: 0010:generic_shutdown_super+0x334/0x340 fs/super.c:503
Code: e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 c5 69 f1 ff 49 8b 16 48 81 c3 a8 06 00 00 48 c7 c7 a0 51 99 8a 48 89 de e8 0c 38 43 08 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 53 48 89 fb 49
RSP: 0018:ffffc90003227d28 EFLAGS: 00010246
RAX: 000000000000002f RBX: ffff88805dbc86a8 RCX: 73bdb7f04cc6c300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100bb790fb R08: ffffc90003227a27 R09: 1ffff92000644f44
R10: dffffc0000000000 R11: fffff52000644f45 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8d02ab80 R15: ffff88805dbc87d8
FS:  000055556077e500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db22ff8 CR3: 000000004589e000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x471/0x4f0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc4f319f0d7
Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff9d3d9d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fc4f323330a RCX: 00007fc4f319f0d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9d3d9e30
RBP: 00007fff9d3d9e30 R08: 00007fff9d3dae30 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d3daec0
R13: 00007fc4f323330a R14: 00000000000a8d86 R15: 00007fff9d3daf00
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:generic_shutdown_super+0x334/0x340 fs/super.c:503
Code: e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 c5 69 f1 ff 49 8b 16 48 81 c3 a8 06 00 00 48 c7 c7 a0 51 99 8a 48 89 de e8 0c 38 43 08 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 53 48 89 fb 49
RSP: 0018:ffffc90003227d28 EFLAGS: 00010246
RAX: 000000000000002f RBX: ffff88805dbc86a8 RCX: 73bdb7f04cc6c300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100bb790fb R08: ffffc90003227a27 R09: 1ffff92000644f44
R10: dffffc0000000000 R11: fffff52000644f45 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8d02ab80 R15: ffff88805dbc87d8
FS:  000055556077e500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3101dff8 CR3: 000000004589e000 CR4: 00000000003506f0