ocfs2: Unmounting device (7,0) on (node local)
VFS: Busy inodes after unmount of loop0 (ocfs2)
------------[ cut here ]------------
kernel BUG at fs/super.c:505!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4661 Comm: syz.0.71 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : generic_shutdown_super+0x328/0x32c fs/super.c:503
lr : generic_shutdown_super+0x328/0x32c fs/super.c:503
sp : ffff8000221a77b0
x29: ffff8000221a77b0 x28: ffff0000cee97080 x27: ffff0000cee97080
x26: dfff800000000000 x25: 0000000000000002 x24: 1fffe0001acf8cfb
x23: ffff0000d67c67d8 x22: dfff800000000000 x21: ffff8000120cd820
x20: ffff800016a901a0 x19: ffff0000d67c6000 x18: 1fffe00033c2597e
x17: ffff8000163dd000 x16: ffff800011ba16d0 x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff00004434e5c x12: 0000000000000000
x11: ff00800008318060 x10: 0000000000000000 x9 : 1ece68cc40091700
x8 : 1ece68cc40091700 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000221a7278 x4 : ffff8000164c4fa0 x3 : ffff80000a8e4a5c
x2 : ffff00019e12cd10 x1 : 0000000100000000 x0 : 000000000000002f
Call trace:
 generic_shutdown_super+0x328/0x32c fs/super.c:503
 kill_block_super+0x78/0xe0 fs/super.c:1481
 deactivate_locked_super+0xb4/0x128 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x3a8/0x430 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1f4/0x280 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x54c/0x19ac kernel/exit.c:887
 do_group_exit+0x198/0x238 kernel/exit.c:1030
 get_signal+0x11f4/0x133c kernel/signal.c:2884
 do_signal arch/arm64/kernel/signal.c:1110 [inline]
 do_notify_resume+0x364/0x2c84 arch/arm64/kernel/signal.c:1163
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 asm_exit_to_user_mode+0x70/0x80 arch/arm64/kernel/entry-common.c:149
 ret_from_fork+0x1c/0x20 arch/arm64/kernel/entry.S:854
Code: b0049f80 91238000 911aa261 97d96257 (d4210000) 
---[ end trace 0000000000000000 ]---