general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 PID: 7657 Comm: syz-executor.3 Not tainted 5.10.210-syzkaller-00394-g70b6ab09a34b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:do_rmdir+0x28e/0x5c0 fs/namei.c:3905
Code: e8 b7 b0 b6 ff 45 89 e5 48 bb 00 00 00 00 00 fc ff df eb 7c 49 8d 5c 24 30 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 94 30 f4 ff 48 83 3b 00 74 32 e8 79
RSP: 0018:ffffc90000d67de0 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000035 RCX: dffffc0000000000
RDX: ffffc90007c40000 RSI: 0000000000000237 RDI: 0000000000000238
RBP: ffffc90000d67f18 R08: ffffffff81b66b48 R09: ffffed1027613760
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000005
R13: ffff88813b09bad0 R14: 1ffff1102761375a R15: ffffc90000d67e01
FS:  00007fcfc6c2e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020006000 CR3: 000000012509c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __do_sys_rmdir fs/namei.c:3930 [inline]
 __se_sys_rmdir fs/namei.c:3928 [inline]
 __x64_sys_rmdir+0x49/0x50 fs/namei.c:3928
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fcfc7ebad69
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:00007fcfc6c2e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007fcfc7fe8f80 RCX: 00007fcfc7ebad69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280
RBP: 00007fcfc7f0749e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcfc7fe8f80 R15: 00007ffd861c8fe8
Modules linked in:
---[ end trace 5cbe1c1f3abf2fb8 ]---
RIP: 0010:do_rmdir+0x28e/0x5c0 fs/namei.c:3905
Code: e8 b7 b0 b6 ff 45 89 e5 48 bb 00 00 00 00 00 fc ff df eb 7c 49 8d 5c 24 30 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 94 30 f4 ff 48 83 3b 00 74 32 e8 79
RSP: 0018:ffffc90000d67de0 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000035 RCX: dffffc0000000000
RDX: ffffc90007c40000 RSI: 0000000000000237 RDI: 0000000000000238
RBP: ffffc90000d67f18 R08: ffffffff81b66b48 R09: ffffed1027613760
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000005
R13: ffff88813b09bad0 R14: 1ffff1102761375a R15: ffffc90000d67e01
FS:  00007fcfc6c2e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff23000 CR3: 000000012509c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	e8 b7 b0 b6 ff       	call   0xffb6b0bc
   5:	45 89 e5             	mov    %r12d,%r13d
   8:	48 bb 00 00 00 00 00 	movabs $0xdffffc0000000000,%rbx
   f:	fc ff df
  12:	eb 7c                	jmp    0x90
  14:	49 8d 5c 24 30       	lea    0x30(%r12),%rbx
  19:	48 89 d8             	mov    %rbx,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 94 30 f4 ff       	call   0xfff430cc
  38:	48 83 3b 00          	cmpq   $0x0,(%rbx)
  3c:	74 32                	je     0x70
  3e:	e8                   	.byte 0xe8
  3f:	79                   	.byte 0x79