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: 1 PID: 4296 Comm: syz-executor Not tainted 6.1.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : generic_shutdown_super+0x324/0x328 fs/super.c:503 lr : generic_shutdown_super+0x324/0x328 fs/super.c:503 sp : ffff800021017920 x29: ffff800021017920 x28: 1ffff00002b39aa9 x27: dfff800000000000 x26: 0000000000000002 x25: 0000000000000002 x24: 1fffe0001e39d0fb x23: dfff800000000000 x22: ffff8000127b60e0 x21: 0000000000000000 x20: ffff80001605d820 x19: ffff0000f1ce86a8 x18: 1fffe000367a3376 x17: ffff8000159cd000 x16: ffff800012295cec x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : f676cd34c0213300 x8 : f676cd34c0213300 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021017238 x4 : ffff800015ab30e0 x3 : ffff80000aaa79cc x2 : ffff0001b3d19cd0 x1 : 0000000100000000 x0 : 000000000000002f Call trace: generic_shutdown_super+0x324/0x328 fs/super.c:503 kill_block_super+0x70/0xdc fs/super.c:1470 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132 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] el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638 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: f004d2e0 91158000 aa1303e1 95d2c268 (d4210000) ---[ end trace 0000000000000000 ]---