ocfs2: Unmounting device (7,4) on (node local)
VFS: Busy inodes after unmount of loop4 (ocfs2)
------------[ cut here ]------------
kernel BUG at fs/super.c:505!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4281 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
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 65 6c f1 ff 49 8b 16 48 81 c3 a8 06 00 00 48 c7 c7 a0 4e 99 8a 48 89 de e8 7c 6a 3f 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:ffffc90003da7d18 EFLAGS: 00010246
RAX: 000000000000002f RBX: ffff888140eaa6a8 RCX: 8580ab666127a700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff110281d54fb R08: ffffc90003da7a27 R09: 1ffff920007b4f44
R10: dffffc0000000000 R11: fffff520007b4f45 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8d019a60 R15: ffff888140eaa7d8
FS:  000055557d073500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff1eff8 CR3: 000000005bf1e000 CR4: 00000000003526e0
DR0: ffffffffffffffff DR1: 000000000000ffff DR2: 0000000000007c84
DR3: 0000000000000026 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x42c/0x4b0 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: 0033:0x7fd57239d1d7
Code: a2 c7 05 bc e3 24 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:00007ffda887bcc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fd572431c3b RCX: 00007fd57239d1d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffda887bd80
RBP: 00007ffda887bd80 R08: 00007ffda887cd80 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda887ce10
R13: 00007fd572431c3b R14: 000000000005a7fb R15: 00007ffda887ce50
 </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 65 6c f1 ff 49 8b 16 48 81 c3 a8 06 00 00 48 c7 c7 a0 4e 99 8a 48 89 de e8 7c 6a 3f 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:ffffc90003da7d18 EFLAGS: 00010246
RAX: 000000000000002f RBX: ffff888140eaa6a8 RCX: 8580ab666127a700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff110281d54fb R08: ffffc90003da7a27 R09: 1ffff920007b4f44
R10: dffffc0000000000 R11: fffff520007b4f45 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8d019a60 R15: ffff888140eaa7d8
FS:  000055557d073500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff1dff8 CR3: 000000005bf1e000 CR4: 00000000003506e0
DR0: ffffffffffffffff DR1: 000000000000ffff DR2: 0000000000007c84
DR3: 0000000000000026 DR6: 00000000fffe0ff0 DR7: 0000000000000400