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: 4097 Comm: syz.9.879 Not tainted 6.1.129-syzkaller-00014-gbc3d1d352ab6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__d_entry_type include/linux/dcache.h:394 [inline]
RIP: 0010:d_is_miss include/linux/dcache.h:399 [inline]
RIP: 0010:d_is_negative include/linux/dcache.h:445 [inline]
RIP: 0010:do_renameat2+0x6fd/0x1480 fs/namei.c:4974
Code: f2 e8 87 f0 fe ff 48 89 c3 48 3d 01 f0 ff ff 72 12 e8 07 6e ab ff 41 89 de 48 8b 5c 24 18 e9 6f 05 00 00 49 89 de 49 c1 ee 03 <43> 0f b6 04 26 84 c0 0f 85 8a 07 00 00 48 89 5c 24 40 8b 1b be 00
RSP: 0018:ffffc90000ddfc20 EFLAGS: 00010207
RAX: 000000000000001e RBX: 000000000000001e RCX: ffff888113162880
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90000ddfee8 R08: ffffffff81cbeed8 R09: fffff520001bbf5d
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90000ddfe08 R14: 0000000000000003 R15: ffff8881179069c0
FS:  00007f2edd8156c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2edd814f98 CR3: 00000001248e1000 CR4: 00000000003526a0
DR0: 0000000000000680 DR1: 0000000000000003 DR2: 0000000000000007
DR3: 0000000000000001 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __do_sys_rename fs/namei.c:5072 [inline]
 __se_sys_rename fs/namei.c:5070 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:5070
 x64_sys_call+0x266/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:83
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2edc98e169
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:00007f2edd815038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f2edcbb6160 RCX: 00007f2edc98e169
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000200000000100
RBP: 00007f2edca10a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f2edcbb6160 R15: 00007fff7e52d828
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__d_entry_type include/linux/dcache.h:394 [inline]
RIP: 0010:d_is_miss include/linux/dcache.h:399 [inline]
RIP: 0010:d_is_negative include/linux/dcache.h:445 [inline]
RIP: 0010:do_renameat2+0x6fd/0x1480 fs/namei.c:4974
Code: f2 e8 87 f0 fe ff 48 89 c3 48 3d 01 f0 ff ff 72 12 e8 07 6e ab ff 41 89 de 48 8b 5c 24 18 e9 6f 05 00 00 49 89 de 49 c1 ee 03 <43> 0f b6 04 26 84 c0 0f 85 8a 07 00 00 48 89 5c 24 40 8b 1b be 00
RSP: 0018:ffffc90000ddfc20 EFLAGS: 00010207
RAX: 000000000000001e RBX: 000000000000001e RCX: ffff888113162880
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90000ddfee8 R08: ffffffff81cbeed8 R09: fffff520001bbf5d
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90000ddfe08 R14: 0000000000000003 R15: ffff8881179069c0
FS:  00007f2edd8156c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff0c6dc0f98 CR3: 00000001248e1000 CR4: 00000000003526a0
DR0: 0000000000000680 DR1: 0000000000000003 DR2: 0000000000000007
DR3: 0000000000000001 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	f2 e8 87 f0 fe ff    	bnd call 0xfffef08d
   6:	48 89 c3             	mov    %rax,%rbx
   9:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   f:	72 12                	jb     0x23
  11:	e8 07 6e ab ff       	call   0xffab6e1d
  16:	41 89 de             	mov    %ebx,%r14d
  19:	48 8b 5c 24 18       	mov    0x18(%rsp),%rbx
  1e:	e9 6f 05 00 00       	jmp    0x592
  23:	49 89 de             	mov    %rbx,%r14
  26:	49 c1 ee 03          	shr    $0x3,%r14
* 2a:	43 0f b6 04 26       	movzbl (%r14,%r12,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 8a 07 00 00    	jne    0x7c1
  37:	48 89 5c 24 40       	mov    %rbx,0x40(%rsp)
  3c:	8b 1b                	mov    (%rbx),%ebx
  3e:	be                   	.byte 0xbe