ocfs2: Unmounting device (7,1) on (node local) VFS: Busy inodes after unmount of loop1 (ocfs2) ------------[ cut here ]------------ kernel BUG at fs/super.c:505! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 10073 Comm: syz.1.1558 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 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 : ffff8000217c77b0 x29: ffff8000217c77b0 x28: ffff0000cab59500 x27: ffff0000cab59500 x26: dfff800000000000 x25: 0000000000000002 x24: 1fffe0001b9398fb x23: ffff0000dc9cc7d8 x22: dfff800000000000 x21: ffff8000120ccec0 x20: ffff800015a3bd80 x19: ffff0000dc9cc000 x18: 1fffe00033e7277e x17: ffff80001537d000 x16: ffff800011b90080 x15: 0000000000000000 x14: 0000000000000001 x13: 1ffff000042f8e5c x12: 0000000000000000 x11: ff00800008315484 x10: 0000000000000000 x9 : d27a61dc023f5100 x8 : d27a61dc023f5100 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000217c7278 x4 : ffff800015464e80 x3 : ffff80000a927f5c x2 : ffff00019f393d10 x1 : 0000000100000000 x0 : 000000000000002f Call trace: generic_shutdown_super+0x328/0x32c fs/super.c:503 kill_block_super+0x78/0xe0 fs/super.c:1470 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:2880 do_signal arch/arm64/kernel/signal.c:1095 [inline] do_notify_resume+0x364/0x2c84 arch/arm64/kernel/signal.c:1148 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+0x6c/0x7c arch/arm64/kernel/entry-common.c:149 ret_from_fork+0x1c/0x20 arch/arm64/kernel/entry.S:850 Code: b0049f40 913c8000 911aa261 97d9847e (d4210000) ---[ end trace 0000000000000000 ]---