general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 0 PID: 15101 Comm: syz-executor.2 Tainted: G        W         5.10.209-syzkaller-00002-g4e1bc8d8e8ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__d_entry_type include/linux/dcache.h:400 [inline]
RIP: 0010:d_is_miss include/linux/dcache.h:405 [inline]
RIP: 0010:d_is_negative include/linux/dcache.h:451 [inline]
RIP: 0010:do_renameat2+0x5e6/0x1130 fs/namei.c:4563
Code: 89 de 8b 54 24 3c e8 f9 30 ff ff 49 89 c5 48 3d 01 f0 ff ff 72 0d e8 d9 75 b6 ff 44 89 eb e9 d7 03 00 00 4d 89 ec 49 c1 ec 03 <43> 0f b6 04 3c 84 c0 0f 85 d6 05 00 00 41 8b 5d 00 be 00 00 70 00
RSP: 0018:ffffc90000f4fd00 EFLAGS: 00010207
RAX: 000000000000001f RBX: ffff88811c885ee0 RCX: 0000000000040000
RDX: ffffc90004947000 RSI: 0000000000000311 RDI: 0000000000000312
RBP: ffffc90000f4ff08 R08: ffffffff81b6622b R09: ffffed1023910be8
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000003
R13: 000000000000001f R14: 00000000ffffff01 R15: dffffc0000000000
FS:  00007f995dedb6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f376f86f988 CR3: 0000000124e20000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __do_sys_rename fs/namei.c:4656 [inline]
 __se_sys_rename fs/namei.c:4654 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:4654
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f995f1a9e69
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:00007f995dedb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f995f2d8120 RCX: 00007f995f1a9e69
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100
RBP: 00007f995f1f647a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f995f2d8120 R15: 00007ffdc9fd36a8
Modules linked in:
---[ end trace a368edfb8235fe27 ]---
RIP: 0010:__d_entry_type include/linux/dcache.h:400 [inline]
RIP: 0010:d_is_miss include/linux/dcache.h:405 [inline]
RIP: 0010:d_is_negative include/linux/dcache.h:451 [inline]
RIP: 0010:do_renameat2+0x5e6/0x1130 fs/namei.c:4563
Code: 89 de 8b 54 24 3c e8 f9 30 ff ff 49 89 c5 48 3d 01 f0 ff ff 72 0d e8 d9 75 b6 ff 44 89 eb e9 d7 03 00 00 4d 89 ec 49 c1 ec 03 <43> 0f b6 04 3c 84 c0 0f 85 d6 05 00 00 41 8b 5d 00 be 00 00 70 00
RSP: 0018:ffffc90000f4fd00 EFLAGS: 00010207
RAX: 000000000000001f RBX: ffff88811c885ee0 RCX: 0000000000040000
RDX: ffffc90004947000 RSI: 0000000000000311 RDI: 0000000000000312
RBP: ffffc90000f4ff08 R08: ffffffff81b6622b R09: ffffed1023910be8
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000003
R13: 000000000000001f R14: 00000000ffffff01 R15: dffffc0000000000
FS:  00007f995dedb6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f995debad58 CR3: 0000000124e20000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	89 de                	mov    %ebx,%esi
   2:	8b 54 24 3c          	mov    0x3c(%rsp),%edx
   6:	e8 f9 30 ff ff       	call   0xffff3104
   b:	49 89 c5             	mov    %rax,%r13
   e:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
  14:	72 0d                	jb     0x23
  16:	e8 d9 75 b6 ff       	call   0xffb675f4
  1b:	44 89 eb             	mov    %r13d,%ebx
  1e:	e9 d7 03 00 00       	jmp    0x3fa
  23:	4d 89 ec             	mov    %r13,%r12
  26:	49 c1 ec 03          	shr    $0x3,%r12
* 2a:	43 0f b6 04 3c       	movzbl (%r12,%r15,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 d6 05 00 00    	jne    0x60d
  37:	41 8b 5d 00          	mov    0x0(%r13),%ebx
  3b:	be 00 00 70 00       	mov    $0x700000,%esi