general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 7281 Comm: syz.0.1790 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__d_entry_type include/linux/dcache.h:404 [inline]
RIP: 0010:d_is_miss include/linux/dcache.h:409 [inline]
RIP: 0010:d_is_negative include/linux/dcache.h:455 [inline]
RIP: 0010:do_renameat2+0x49f/0xf60 fs/namei.c:4941
Code: ff 48 89 c2 48 3d 01 f0 ff ff 72 0d 49 89 d5 e8 b7 76 b6 ff e9 36 04 00 00 49 89 d4 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 48 89 54 24 10 0f 85 e7 05 00 00 8b 1a be 00
RSP: 0018:ffffc90001107d00 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88812b795500 RCX: ffff8881171e62c0
RDX: 0000000000000018 RSI: 0000000000000004 RDI: ffff8881171e62c0
RBP: ffffc90001107ed8 R08: dffffc0000000000 R09: ffffed102239ff1c
R10: ffffed102239ff1c R11: 1ffff1102239ff1b R12: 0000000000000003
R13: 0000000000000000 R14: ffffc90001107e01 R15: ffff888111cff880
FS:  00007f37122d96c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f37122d8f98 CR3: 0000000143454000 CR4: 00000000003506a0
Call Trace:
 <TASK>
 __do_sys_rename fs/namei.c:5039 [inline]
 __se_sys_rename fs/namei.c:5037 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:5037
 x64_sys_call+0x680/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:83
 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: 0033:0x7f37138b3749
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:00007f37122d9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f3713b0a180 RCX: 00007f37138b3749
RDX: 0000000000000000 RSI: 0000200000000140 RDI: 0000200000000100
RBP: 00007f3713937f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3713b0a218 R14: 00007f3713b0a180 R15: 00007ffc19d5d118
 </TASK>
Modules linked in:
---[ end trace 9de58b1afe2ec9b5 ]---
RIP: 0010:__d_entry_type include/linux/dcache.h:404 [inline]
RIP: 0010:d_is_miss include/linux/dcache.h:409 [inline]
RIP: 0010:d_is_negative include/linux/dcache.h:455 [inline]
RIP: 0010:do_renameat2+0x49f/0xf60 fs/namei.c:4941
Code: ff 48 89 c2 48 3d 01 f0 ff ff 72 0d 49 89 d5 e8 b7 76 b6 ff e9 36 04 00 00 49 89 d4 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 48 89 54 24 10 0f 85 e7 05 00 00 8b 1a be 00
RSP: 0018:ffffc90001107d00 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88812b795500 RCX: ffff8881171e62c0
RDX: 0000000000000018 RSI: 0000000000000004 RDI: ffff8881171e62c0
RBP: ffffc90001107ed8 R08: dffffc0000000000 R09: ffffed102239ff1c
R10: ffffed102239ff1c R11: 1ffff1102239ff1b R12: 0000000000000003
R13: 0000000000000000 R14: ffffc90001107e01 R15: ffff888111cff880
FS:  00007f37122d96c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000143454000 CR4: 00000000003506a0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	48 89 c2             	mov    %rax,%rdx
   3:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   9:	72 0d                	jb     0x18
   b:	49 89 d5             	mov    %rdx,%r13
   e:	e8 b7 76 b6 ff       	call   0xffb676ca
  13:	e9 36 04 00 00       	jmp    0x44e
  18:	49 89 d4             	mov    %rdx,%r12
  1b:	49 c1 ec 03          	shr    $0x3,%r12
  1f:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  26:	fc ff df
* 29:	41 0f b6 04 04       	movzbl (%r12,%rax,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	48 89 54 24 10       	mov    %rdx,0x10(%rsp)
  35:	0f 85 e7 05 00 00    	jne    0x622
  3b:	8b 1a                	mov    (%rdx),%ebx
  3d:	be                   	.byte 0xbe