general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:do_rmdir+0x1fa/0x6b0 fs/namei.c:4210
Code: ff ff 49 89 c6 48 3d 01 f0 ff ff 72 0d e8 ee ee b5 ff 45 89 f7 e9 94 00 00 00 4c 89 74 24 20 4d 8d 7e 30 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 b7 24 f5 ff 49 83 3f 00 4c 8b 34
RSP: 0018:ffffc90002347e20 EFLAGS: 00010202
RAX: 0000000000000008 RBX: 1ffff92000468fcc RCX: ffff888110742780
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff888110742780
RBP: ffffc90002347ee8 R08: ffff88810d2176bf R09: 1ffff11021a42ed7
R10: dffffc0000000000 R11: ffffed1021a42ed8 R12: 00000000ffffff9c
R13: dffffc0000000000 R14: 0000000000000010 R15: 0000000000000040
FS: 00007f7238ce86c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7238cc6ff8 CR3: 0000000127ba9000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__do_sys_rmdir fs/namei.c:4237 [inline]
__se_sys_rmdir fs/namei.c:4235 [inline]
__x64_sys_rmdir+0x49/0x50 fs/namei.c:4235
x64_sys_call+0x25f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:85
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7238e85e59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7238ce8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f72390fefa0 RCX: 00007f7238e85e59
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000040
RBP: 00007f7238f1bd6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f72390ff038 R14: 00007f72390fefa0 R15: 00007ffdab548f88
</TASK>
Modules linked in:
---[ end trace 48095bdd0e3ece16 ]---
RIP: 0010:do_rmdir+0x1fa/0x6b0 fs/namei.c:4210
Code: ff ff 49 89 c6 48 3d 01 f0 ff ff 72 0d e8 ee ee b5 ff 45 89 f7 e9 94 00 00 00 4c 89 74 24 20 4d 8d 7e 30 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 b7 24 f5 ff 49 83 3f 00 4c 8b 34
RSP: 0018:ffffc90002347e20 EFLAGS: 00010202
RAX: 0000000000000008 RBX: 1ffff92000468fcc RCX: ffff888110742780
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff888110742780
RBP: ffffc90002347ee8 R08: ffff88810d2176bf R09: 1ffff11021a42ed7
R10: dffffc0000000000 R11: ffffed1021a42ed8 R12: 00000000ffffff9c
R13: dffffc0000000000 R14: 0000000000000010 R15: 0000000000000040
FS: 00007f7238ce86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7238ed3540 CR3: 0000000127ba9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 49 89 c6 mov %rax,%r14
3: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
9: 72 0d jb 0x18
b: e8 ee ee b5 ff call 0xffb5eefe
10: 45 89 f7 mov %r14d,%r15d
13: e9 94 00 00 00 jmp 0xac
18: 4c 89 74 24 20 mov %r14,0x20(%rsp)
1d: 4d 8d 7e 30 lea 0x30(%r14),%r15
21: 4c 89 f8 mov %r15,%rax
24: 48 c1 e8 03 shr $0x3,%rax
* 28: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction
2d: 74 08 je 0x37
2f: 4c 89 ff mov %r15,%rdi
32: e8 b7 24 f5 ff call 0xfff524ee
37: 49 83 3f 00 cmpq $0x0,(%r15)
3b: 4c rex.WR
3c: 8b .byte 0x8b
3d: 34 .byte 0x34