o
ocfs2: Unmounting device (7,4) on (node local)
VFS: Busy inodes after unmount of loop4 (ocfs2)
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kernel BUG at fs/super.c:653!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6529 Comm: syz-executor Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : generic_shutdown_super+0x2b4/0x2b8 fs/super.c:651
lr : generic_shutdown_super+0x2b4/0x2b8 fs/super.c:651
sp : ffff8000a1c679b0
x29: ffff8000a1c679b0 x28: 00007dfeb2dbed18 x27: ffff80008f631ff8
x26: ffffffffffffffff x25: dfff800000000000 x24: 1fffe0001aa1a8f1
x23: ffff80008b38f060 x22: dfff800000000000 x21: 0000000000000000
x20: ffff80008fd4d1c0 x19: ffff0000d50d4000 x18: 00000000ffffffff
x17: ffff800093320000 x16: ffff80008aecb65c x15: 0000000000000001
x14: 1fffe000337e14e2 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000337e14e3 x10: 0000000000ff0100 x9 : e3b61da3f9080e00
x8 : e3b61da3f9080e00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000a1c67338 x4 : ffff80008f727060 x3 : ffff8000807bef2c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f
Call trace:
 generic_shutdown_super+0x2b4/0x2b8 fs/super.c:651 (P)
 kill_block_super+0x44/0x90 fs/super.c:1753
 deactivate_locked_super+0xc4/0x12c fs/super.c:474
 deactivate_super+0xe0/0x100 fs/super.c:507
 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1417
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1424
 task_work_run+0x1dc/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x51c/0x19fc kernel/exit.c:955
 do_group_exit+0x194/0x22c kernel/exit.c:1104
 __do_sys_exit_group kernel/exit.c:1115 [inline]
 __se_sys_exit_group kernel/exit.c:1113 [inline]
 pid_child_should_wake+0x0/0x1dc kernel/exit.c:1113
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: f0051920 91360000 9119c261 97cf0a72 (d4210000) 
---[ end trace 0000000000000000 ]---