general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
CPU: 1 PID: 335 Comm: syz-executor.0 Not tainted 6.1.134-syzkaller-1169287-g3c6d0251e1fb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:do_rmdir+0x1f2/0x6a0 fs/namei.c:4243
Code: ff ff 49 89 c6 48 3d 01 f0 ff ff 72 0d e8 16 c4 af 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 6f 15 f4 ff 49 83 3f 00 4c 8b 34
RSP: 0018:ffffc90001387e20 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 1ffff92000270fcc RCX: ffff88812031a880
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88812031a880
RBP: ffffc90001387ee8 R08: dffffc0000000000 R09: fffff52000270fa1
R10: fffff52000270fa1 R11: 1ffff92000270fa0 R12: 00000000ffffff9c
R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000038
FS:  00007fab894246c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fab89444fa8 CR3: 0000000121f99000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __do_sys_rmdir fs/namei.c:4270 [inline]
 __se_sys_rmdir fs/namei.c:4268 [inline]
 __x64_sys_rmdir+0x49/0x50 fs/namei.c:4268
 x64_sys_call+0x68e/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:85
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fab8867dde9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fab894240c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007fab887ac050 RCX: 00007fab8867dde9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000200
RBP: 00007fab886ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fab887ac050 R15: 00007ffd2daa3a68
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_rmdir+0x1f2/0x6a0 fs/namei.c:4243
Code: ff ff 49 89 c6 48 3d 01 f0 ff ff 72 0d e8 16 c4 af 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 6f 15 f4 ff 49 83 3f 00 4c 8b 34
RSP: 0018:ffffc90001387e20 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 1ffff92000270fcc RCX: ffff88812031a880
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88812031a880
RBP: ffffc90001387ee8 R08: dffffc0000000000 R09: fffff52000270fa1
R10: fffff52000270fa1 R11: 1ffff92000270fa0 R12: 00000000ffffff9c
R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000038
FS:  00007fab894246c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fab89444fa8 CR3: 0000000121f99000 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 16 c4 af ff       	call   0xffafc426
  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 6f 15 f4 ff       	call   0xfff415a6
  37:	49 83 3f 00          	cmpq   $0x0,(%r15)
  3b:	4c                   	rex.WR
  3c:	8b                   	.byte 0x8b
  3d:	34                   	.byte 0x34