netlink: 'syz.0.3063': attribute type 29 has an invalid length.
netlink: 8 bytes leftover after parsing attributes in process `syz.0.3063'.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 1 UID: 0 PID: 9392 Comm: syz.0.3063 Not tainted syzkaller #0 d27bf65064ef37e242848a5d573511e9710340a8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:do_rmdir+0x1e8/0x560 fs/namei.c:4392
Code: 01 f0 ff ff 72 0a e8 d7 45 9b ff e9 b9 00 00 00 4c 89 64 24 18 49 83 c4 30 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 fa 9e f1 ff 49 83 3c 24 00 74 75 e8
RSP: 0018:ffffc90000f2fe20 EFLAGS: 00010203
RAX: 0000000000000008 RBX: ffff888115871100 RCX: dffffc0000000000
RDX: ffffc9001151a000 RSI: 00000000000001fc RDI: 00000000000001fd
RBP: ffffc90000f2fef8 R08: ffff8881f6f50b87 R09: 1ffff1103edea170
R10: dffffc0000000000 R11: ffffed103edea171 R12: 0000000000000045
R13: 1ffff920001e5fcc R14: ffffc90000f2fe80 R15: 00000000ffffff9c
FS:  00007f2620d4a6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000c00000 CR3: 000000011972c000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 __do_sys_rmdir fs/namei.c:4418 [inline]
 __se_sys_rmdir fs/namei.c:4416 [inline]
 __x64_sys_rmdir+0x4b/0x60 fs/namei.c:4416
 x64_sys_call+0xaf7/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:85
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f261ff8eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2620d4a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f26201e5fa0 RCX: 00007f261ff8eec9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000040
RBP: 00007f2620011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f26201e6038 R14: 00007f26201e5fa0 R15: 00007ffe5f53f678
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_rmdir+0x1e8/0x560 fs/namei.c:4392
Code: 01 f0 ff ff 72 0a e8 d7 45 9b ff e9 b9 00 00 00 4c 89 64 24 18 49 83 c4 30 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 fa 9e f1 ff 49 83 3c 24 00 74 75 e8
RSP: 0018:ffffc90000f2fe20 EFLAGS: 00010203
RAX: 0000000000000008 RBX: ffff888115871100 RCX: dffffc0000000000
RDX: ffffc9001151a000 RSI: 00000000000001fc RDI: 00000000000001fd
RBP: ffffc90000f2fef8 R08: ffff8881f6f50b87 R09: 1ffff1103edea170
R10: dffffc0000000000 R11: ffffed103edea171 R12: 0000000000000045
R13: 1ffff920001e5fcc R14: ffffc90000f2fe80 R15: 00000000ffffff9c
FS:  00007f2620d4a6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c344985 CR3: 000000011972c000 CR4: 00000000003526b0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	f0 ff                	lock (bad)
   2:	ff 72 0a             	push   0xa(%rdx)
   5:	e8 d7 45 9b ff       	call   0xff9b45e1
   a:	e9 b9 00 00 00       	jmp    0xc8
   f:	4c 89 64 24 18       	mov    %r12,0x18(%rsp)
  14:	49 83 c4 30          	add    $0x30,%r12
  18:	4c 89 e0             	mov    %r12,%rax
  1b:	48 c1 e8 03          	shr    $0x3,%rax
  1f:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  26:	fc ff df
* 29:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2d:	74 08                	je     0x37
  2f:	4c 89 e7             	mov    %r12,%rdi
  32:	e8 fa 9e f1 ff       	call   0xfff19f31
  37:	49 83 3c 24 00       	cmpq   $0x0,(%r12)
  3c:	74 75                	je     0xb3
  3e:	e8                   	.byte 0xe8