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kernel BUG at fs/namei.c:2786!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1256 Comm: syz-executor Not tainted 5.10.240-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2786
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 00 25 f5 ff e9 d0 fd ff ff e8 96 35 bb ff 0f 0b e8 8f 35 bb ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53
RSP: 0018:ffffc90000de7b38 EFLAGS: 00010293
RAX: ffffffff81a86ae1 RBX: ffff888110373110 RCX: ffff88810bfacf00
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000de7bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff520001bcf4c R11: 1ffff920001bcf4c R12: ffff88812b0c0910
R13: 1ffff1102206e622 R14: ffff888110373128 R15: ffff88811029b360
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000012cb57000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3e0 fs/namei.c:3833
 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1973
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1114
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1121
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa4f/0x2480 kernel/exit.c:872
 do_group_exit+0x141/0x310 kernel/exit.c:986
 __do_sys_exit_group kernel/exit.c:997 [inline]
 __se_sys_exit_group kernel/exit.c:995 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:995
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd3400c5be9
Code: Unable to access opcode bytes at RIP 0x7fd3400c5bbf.
RSP: 002b:00007ffd63d4bf08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd340148c77 RCX: 00007fd3400c5be9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000010 R08: 00007ffd63d49ca6 R09: 00007ffd63d4d1c0
R10: 000000000000000a R11: 0000000000000246 R12: 00007ffd63d4d1c0
R13: 00007fd340148c05 R14: 00005555760d54a8 R15: 00007ffd63d4e290
Modules linked in:
---[ end trace c7dd49d250a434fa ]---
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2786
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 00 25 f5 ff e9 d0 fd ff ff e8 96 35 bb ff 0f 0b e8 8f 35 bb ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53
RSP: 0018:ffffc90000de7b38 EFLAGS: 00010293
RAX: ffffffff81a86ae1 RBX: ffff888110373110 RCX: ffff88810bfacf00
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000de7bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff520001bcf4c R11: 1ffff920001bcf4c R12: ffff88812b0c0910
R13: 1ffff1102206e622 R14: ffff888110373128 R15: ffff88811029b360
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f50cc7a1f98 CR3: 0000000126191000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400