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kernel BUG at fs/namei.c:2794!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 879 Comm: syz.4.167 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2794
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 f0 01 f5 ff e9 d0 fd ff ff e8 46 80 ba ff 0f 0b e8 3f 80 ba 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:ffffc90000dd77f8 EFLAGS: 00010293
RAX: ffffffff81aa36b1 RBX: ffff88811c2de440 RCX: ffff88810c06a780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000dd7878 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520001baee4 R12: ffff88811c3e8780
R13: 1ffff1102385bc88 R14: ffff88811c2de458 R15: ffff88811c2e8cf0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000115a18000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3e0 fs/namei.c:3841
 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+0x45b/0x510 fs/namespace.c:1123
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa90/0x2500 kernel/exit.c:872
 do_group_exit+0x141/0x310 kernel/exit.c:986
 get_signal+0xf7d/0x12e0 kernel/signal.c:2793
 arch_do_signal_or_restart+0xe2/0x11d0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:291
RIP: 0033:0x7fdc0936add9
Code: Unable to access opcode bytes at RIP 0x7fdc0936adaf.
RSP: 002b:00007fdc07dc4fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: 0000000000000000 RBX: 00007fdc095e3fa0 RCX: 00007fdc0936add9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fdc09400d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdc095e4038 R14: 00007fdc095e3fa0 R15: 00007ffed1899c98
Modules linked in:
---[ end trace de92e4e17f5fd207 ]---
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2794
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 f0 01 f5 ff e9 d0 fd ff ff e8 46 80 ba ff 0f 0b e8 3f 80 ba 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:ffffc90000dd77f8 EFLAGS: 00010293
RAX: ffffffff81aa36b1 RBX: ffff88811c2de440 RCX: ffff88810c06a780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000dd7878 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520001baee4 R12: ffff88811c3e8780
R13: 1ffff1102385bc88 R14: ffff88811c2de458 R15: ffff88811c2e8cf0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ae036c000 CR3: 000000010d488000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400