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!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4300 Comm: syz-executor Not tainted 6.1.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : generic_shutdown_super+0x320/0x324 fs/super.c:503
lr : generic_shutdown_super+0x320/0x324 fs/super.c:503
sp : ffff8000207679c0
x29: ffff8000207679c0 x28: 1ffff00002a0daa8 x27: dfff800000000000
x26: 0000000000000002 x25: 0000000000000002 x24: 1fffe0001a1bfcfb
x23: dfff800000000000 x22: ffff800011e555a0 x21: 0000000000000000
x20: ffff800015718840 x19: ffff0000d0dfe000 x18: ffff800011a7bd00
x17: 1fffe000367c2f76 x16: ffff8000082d1c08 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100
x11: ff008000083098bc x10: 0000000000000000 x9 : 3c9f056fa7432d00
x8 : 3c9f056fa7432d00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020767498 x4 : ffff800015154740 x3 : ffff80000a83b22c
x2 : ffff0001b3e17cd0 x1 : 0000000100000000 x0 : 000000000000002f
Call trace:
 generic_shutdown_super+0x320/0x324 fs/super.c:503
 kill_block_super+0x70/0xdc fs/super.c:1470
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xe8/0x108 fs/super.c:363
 cleanup_mnt+0x37c/0x404 fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x1ec/0x270 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x544/0x19a8 kernel/exit.c:871
 do_group_exit+0x194/0x22c kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __wake_up_parent+0x0/0x60 kernel/exit.c:1030
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 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: b0048cc0 91028000 911aa261 95d94ab8 (d4210000) 
---[ end trace 0000000000000000 ]---