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: 9007 Comm: syz-executor Tainted: G W 6.1.120-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 : ffff800021df79c0 x29: ffff800021df79c0 x28: 1ffff00002b4faa9 x27: dfff800000000000 x26: 0000000000000002 x25: 0000000000000002 x24: 1fffe0001e4930fb x23: dfff800000000000 x22: ffff800012853960 x21: 0000000000000000 x20: ffff80001611c7c0 x19: ffff0000f24986a8 x18: 1fffe0003679c376 x17: ffff800015a7d000 x16: ffff800012328af4 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 4b415be2868e4300 x8 : 4b415be2868e4300 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021df72d8 x4 : ffff800015b631e0 x3 : ffff80000ab347cc x2 : ffff0001b3ce1cd0 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 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x554/0x1a88 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+0x58/0x168 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: d004d760 91198000 aa1303e1 95d36056 (d4210000) ---[ end trace 0000000000000000 ]---