ocfs2: Unmounting device (7,3) on (node local) VFS: Busy inodes after unmount of loop3 (ocfs2) ------------[ cut here ]------------ kernel BUG at fs/super.c:697! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5768 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:generic_shutdown_super+0x2ad/0x2b0 fs/super.c:695 Code: e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 ac 59 f0 ff 49 8b 16 48 81 c3 60 06 00 00 48 c7 c7 20 ad d7 8a 48 89 de e8 93 cc 8b 08 <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 53 48 89 fb 49 bf 00 00 00 00 RSP: 0018:ffffc90004737d20 EFLAGS: 00010246 RAX: 000000000000002f RBX: ffff888027724660 RCX: 3b655e7a394a0200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11004ee48f2 R08: ffff8880b8f28c13 R09: 1ffff110171e5182 R10: dffffc0000000000 R11: ffffed10171e5183 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffffff8d635000 R15: ffff888027724790 FS: 000055556f291500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f93b5348fe8 CR3: 0000000062a11000 CR4: 00000000003506e0 Call Trace: kill_block_super+0x44/0x90 fs/super.c:1660 deactivate_locked_super+0x97/0x100 fs/super.c:481 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259 task_work_run+0x1d4/0x260 kernel/task_work.c:245 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb5cb79da57 Code: a2 c7 05 9c fc 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd17a307d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fb5cb832048 RCX: 00007fb5cb79da57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd17a30890 RBP: 00007ffd17a30890 R08: 00007ffd17a31890 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd17a31920 R13: 00007fb5cb832048 R14: 00000000000221ca R15: 00007ffd17a31960 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:generic_shutdown_super+0x2ad/0x2b0 fs/super.c:695 Code: e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 ac 59 f0 ff 49 8b 16 48 81 c3 60 06 00 00 48 c7 c7 20 ad d7 8a 48 89 de e8 93 cc 8b 08 <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 53 48 89 fb 49 bf 00 00 00 00 RSP: 0018:ffffc90004737d20 EFLAGS: 00010246 RAX: 000000000000002f RBX: ffff888027724660 RCX: 3b655e7a394a0200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11004ee48f2 R08: ffff8880b8f28c13 R09: 1ffff110171e5182 R10: dffffc0000000000 R11: ffffed10171e5183 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffffff8d635000 R15: ffff888027724790 FS: 000055556f291500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000062a11000 CR4: 00000000003506e0