general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
CPU: 0 PID: 5336 Comm: syz.2.1276 Not tainted 5.15.185-syzkaller-00032-g0d918fa8e88d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:do_rmdir+0x1f2/0x6a0 fs/namei.c:4202
Code: ff ff 49 89 c6 48 3d 01 f0 ff ff 72 0d e8 06 d8 b6 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 4f 4e f5 ff 49 83 3f 00 4c 8b 34
RSP: 0018:ffffc90001357e20 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 1ffff9200026afcc RCX: 0000000000080000
RDX: ffffc9000235f000 RSI: 00000000000002e4 RDI: 00000000000002e5
RBP: ffffc90001357ee8 R08: dffffc0000000000 R09: ffffed102262bde8
R10: ffffed102262bde8 R11: 1ffff1102262bde7 R12: 00000000ffffff9c
R13: dffffc0000000000 R14: 0000000000000009 R15: 0000000000000039
FS:  00007f85952b06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12a043b33c CR3: 00000001377d4000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __do_sys_rmdir fs/namei.c:4229 [inline]
 __se_sys_rmdir fs/namei.c:4227 [inline]
 __x64_sys_rmdir+0x49/0x50 fs/namei.c:4227
 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: 0033:0x7f8596c47929
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:00007f85952b0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f8596e6efa0 RCX: 00007f8596c47929
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000040
RBP: 00007f8596cc9b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8596e6efa0 R15: 00007fff3e31f198
 </TASK>
Modules linked in:
---[ end trace 2a7dcd70748b6288 ]---
RIP: 0010:do_rmdir+0x1f2/0x6a0 fs/namei.c:4202
Code: ff ff 49 89 c6 48 3d 01 f0 ff ff 72 0d e8 06 d8 b6 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 4f 4e f5 ff 49 83 3f 00 4c 8b 34
RSP: 0018:ffffc90001357e20 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 1ffff9200026afcc RCX: 0000000000080000
RDX: ffffc9000235f000 RSI: 00000000000002e4 RDI: 00000000000002e5
RBP: ffffc90001357ee8 R08: dffffc0000000000 R09: ffffed102262bde8
R10: ffffed102262bde8 R11: 1ffff1102262bde7 R12: 00000000ffffff9c
R13: dffffc0000000000 R14: 0000000000000009 R15: 0000000000000039
FS:  00007f85952b06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12a043b33c CR3: 00000001377d4000 CR4: 00000000003506b0
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 06 d8 b6 ff       	call   0xffb6d816
  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 4f 4e f5 ff       	call   0xfff54e86
  37:	49 83 3f 00          	cmpq   $0x0,(%r15)
  3b:	4c                   	rex.WR
  3c:	8b                   	.byte 0x8b
  3d:	34                   	.byte 0x34