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: 345 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
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 1e f7 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 67 25 f5 ff 49 83 3f 00 4c 8b 34
RSP: 0018:ffffc90000dd7e20 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 1ffff920001bafcc RCX: ffff88810dca2780
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88810dca2780
RBP: ffffc90000dd7ee8 R08: ffff888121444aff R09: 1ffff1102428895f
R10: dffffc0000000000 R11: ffffed1024288960 R12: 00000000ffffff9c
R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000038
FS:  00007f7d58a256c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7d589e3d58 CR3: 000000012435d000 CR4: 00000000003506a0
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: 0033:0x7f7d58e943b9
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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7d58a250b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f7d58fd1f80 RCX: 00007f7d58e943b9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007f7d58ef5498 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7d58fd1f80 R15: 00007fffcec211d8
 </TASK>
Modules linked in:
---[ end trace 2b1c02d36dd28553 ]---
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 1e f7 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 67 25 f5 ff 49 83 3f 00 4c 8b 34
RSP: 0018:ffffc90000dd7e20 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 1ffff920001bafcc RCX: ffff88810dca2780
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88810dca2780
RBP: ffffc90000dd7ee8 R08: ffff888121444aff R09: 1ffff1102428895f
R10: dffffc0000000000 R11: ffffed1024288960 R12: 00000000ffffff9c
R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000038
FS:  00007f7d58a256c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7d58ed57d0 CR3: 000000012435d000 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 1e f7 b5 ff       	call   0xffb5f72e
  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 67 25 f5 ff       	call   0xfff5259e
  37:	49 83 3f 00          	cmpq   $0x0,(%r15)
  3b:	4c                   	rex.WR
  3c:	8b                   	.byte 0x8b
  3d:	34                   	.byte 0x34