general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 1 PID: 2607 Comm: syz.0.639 Not tainted 5.15.156-syzkaller-00821-g29d153aabd54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:vfs_rename+0x1b2/0x10e0 fs/namei.c:4721
Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 96 31 f4 ff 48 8b 03 48 89 44 24 50 48 8b 44 24 38 4c 8d 70 30 4d 89 f5 49 c1 ed 03 <43> 80 7c 3d 00 00 74 08 4c 89 f7 e8 6e 31 f4 ff 49 8b 06 48 89 44
RSP: 0018:ffffc90000b27a80 EFLAGS: 00010202
RAX: 0000000000000010 RBX: ffff88812958e250 RCX: 0000000000040000
RDX: ffff8881138a4f00 RSI: 0000000000400000 RDI: 0000000000200000
RBP: ffffc90000b27bf0 R08: ffffffff81be7b9b R09: ffffed1021671c72
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888118f00000
R13: 0000000000000008 R14: 0000000000000040 R15: dffffc0000000000
FS:  00007efe6edb86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3300dff8 CR3: 00000001243b7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_renameat2+0xb28/0x1480 fs/namei.c:4985
 __do_sys_renameat2 fs/namei.c:5018 [inline]
 __se_sys_renameat2 fs/namei.c:5015 [inline]
 __x64_sys_renameat2+0xdd/0xf0 fs/namei.c:5015
 x64_sys_call+0x85c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:317
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efe7017ce79
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:00007efe6edb8038 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007efe70319130 RCX: 00007efe7017ce79
RDX: 0000000000000007 RSI: 0000000020000500 RDI: 0000000000000007
RBP: 00007efe701ea916 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000200001c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efe70319130 R15: 00007fff0400ef78
 </TASK>
Modules linked in:
---[ end trace e6d642403c0ca2c4 ]---
RIP: 0010:vfs_rename+0x1b2/0x10e0 fs/namei.c:4721
Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 96 31 f4 ff 48 8b 03 48 89 44 24 50 48 8b 44 24 38 4c 8d 70 30 4d 89 f5 49 c1 ed 03 <43> 80 7c 3d 00 00 74 08 4c 89 f7 e8 6e 31 f4 ff 49 8b 06 48 89 44
RSP: 0018:ffffc90000b27a80 EFLAGS: 00010202
RAX: 0000000000000010 RBX: ffff88812958e250 RCX: 0000000000040000
RDX: ffff8881138a4f00 RSI: 0000000000400000 RDI: 0000000000200000
RBP: ffffc90000b27bf0 R08: ffffffff81be7b9b R09: ffffed1021671c72
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888118f00000
R13: 0000000000000008 R14: 0000000000000040 R15: dffffc0000000000
FS:  00007efe6edb86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdfe6dac2c CR3: 00000001243b7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c1 e8 03             	shr    $0x3,%eax
   3:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
   8:	74 08                	je     0x12
   a:	48 89 df             	mov    %rbx,%rdi
   d:	e8 96 31 f4 ff       	call   0xfff431a8
  12:	48 8b 03             	mov    (%rbx),%rax
  15:	48 89 44 24 50       	mov    %rax,0x50(%rsp)
  1a:	48 8b 44 24 38       	mov    0x38(%rsp),%rax
  1f:	4c 8d 70 30          	lea    0x30(%rax),%r14
  23:	4d 89 f5             	mov    %r14,%r13
  26:	49 c1 ed 03          	shr    $0x3,%r13
* 2a:	43 80 7c 3d 00 00    	cmpb   $0x0,0x0(%r13,%r15,1) <-- trapping instruction
  30:	74 08                	je     0x3a
  32:	4c 89 f7             	mov    %r14,%rdi
  35:	e8 6e 31 f4 ff       	call   0xfff431a8
  3a:	49 8b 06             	mov    (%r14),%rax
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	44                   	rex.R