VFS: Busy inodes after unmount of loop3 (ocfs2)
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kernel BUG at fs/super.c:505!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:

CPU: 1 PID: 4338 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
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 : ffff8000220c79d0
x29: ffff8000220c79d0
 x28: ffff0000e0d3b980
 x27: ffff0000e0d3b980
x26: dfff800000000000 x25: 0000000000000002 x24: 1fffe0001b8f68fb
x23: ffff0000dc7b47d8 x22: dfff800000000000 x21: ffff80001210dba0
x20: ffff800016adc6a0 x19: ffff0000dc7b4000 x18: 1fffe00033c1c97e
x17: 0000000000000000 x16: ffff8000082dd38c x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff00002cbda24 x12: 0000000000000000
x11: ff008000083170c8 x10: 0000000000000000 x9 : 254e8027ec03c600
x8 : 254e8027ec03c600 x7 : ffff800008319edc x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 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
 __do_sys_exit_group kernel/exit.c:1041 [inline]
 __se_sys_exit_group kernel/exit.c:1039 [inline]
 __wake_up_parent+0x0/0x60 kernel/exit.c:1039
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: b004a120 91188000 911aa261 97d971c5 (d4210000) 
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