------------[ cut here ]------------ kernel BUG at fs/namei.c:2933! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2700 Comm: syz.6.639 Not tainted 5.15.178-syzkaller-00013-g7d1f9b5c2ff5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:may_delete+0x6eb/0x6f0 fs/namei.c:2933 Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 d6 6d f4 ff e9 72 fe ff ff e8 cc 02 b2 ff 0f 0b e8 c5 02 b2 ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 02 b2 ff 4c 8d RSP: 0018:ffffc90000af77d0 EFLAGS: 00010293 RAX: ffffffff81be69eb RBX: ffff88811116ecf0 RCX: ffff8881067f2780 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffffc90000af7838 R08: ffffffff81be637f R09: 0000000000000003 R10: fffff5200015eedc R11: dffffc0000000001 R12: ffff888129218dd0 R13: 1ffff110252431ba R14: ffff888111347490 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000800000000 CR3: 0000000108394000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_rmdir+0x32/0x470 fs/namei.c:4130 incfs_kill_sb+0x113/0x230 fs/incfs/vfs.c:1989 deactivate_locked_super+0xad/0x110 fs/super.c:335 deactivate_super+0xbe/0xf0 fs/super.c:366 cleanup_mnt+0x45c/0x510 fs/namespace.c:1143 __cleanup_mnt+0x19/0x20 fs/namespace.c:1150 task_work_run+0x129/0x190 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xc48/0x2ca0 kernel/exit.c:880 do_group_exit+0x141/0x310 kernel/exit.c:1002 get_signal+0x7a3/0x1630 kernel/signal.c:2907 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:280 RIP: 0033:0x7f44cf1b4169 Code: Unable to access opcode bytes at RIP 0x7f44cf1b413f. RSP: 002b:00007f44cd81dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: 0000000000000000 RBX: 00007f44cf3ccfa0 RCX: 00007f44cf1b4169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f44cf2352a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f44cf3ccfa0 R15: 00007ffe4e664838 Modules linked in: ---[ end trace ed0c93b519e4ea48 ]--- RIP: 0010:may_delete+0x6eb/0x6f0 fs/namei.c:2933 Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 d6 6d f4 ff e9 72 fe ff ff e8 cc 02 b2 ff 0f 0b e8 c5 02 b2 ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 02 b2 ff 4c 8d RSP: 0018:ffffc90000af77d0 EFLAGS: 00010293 RAX: ffffffff81be69eb RBX: ffff88811116ecf0 RCX: ffff8881067f2780 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffffc90000af7838 R08: ffffffff81be637f R09: 0000000000000003 R10: fffff5200015eedc R11: dffffc0000000001 R12: ffff888129218dd0 R13: 1ffff110252431ba R14: ffff888111347490 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d5cddbbac CR3: 0000000127611000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400