general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 28415 Comm: syz.0.7307 Tainted: G        W         5.10.236-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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+0x471/0xe60 fs/namei.c:4577
Code: 89 c5 48 3d 01 f0 ff ff 72 0f e8 5a fd ba ff 4c 8b 64 24 20 e9 6a 03 00 00 4d 89 ec 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 2f 05 00 00 41 8b 5d 00 be 00 00 70 00
RSP: 0018:ffffc9000139fd80 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 00000000ffffff9c RCX: 0000000000080000
RDX: ffffc9001421e000 RSI: 0000000000001af5 RDI: 0000000000001af6
RBP: ffffc9000139ff08 R08: dffffc0000000000 R09: ffffed1026490b1c
R10: ffffed1026490b1c R11: 1ffff11026490b1b R12: 0000000000000001
R13: 0000000000000008 R14: ffff888110158000 R15: 0000000000000001
FS:  00007ffaa9e4b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffaa9e4af98 CR3: 000000012e393000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __do_sys_rename fs/namei.c:4670 [inline]
 __se_sys_rename fs/namei.c:4668 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:4668
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7ffaab824969
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:00007ffaa9e4b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007ffaaba4c160 RCX: 00007ffaab824969
RDX: 0000000000000000 RSI: 00002000000005c0 RDI: 0000200000000100
RBP: 00007ffaab8a6ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ffaaba4c160 R15: 00007ffe959edf48
Modules linked in:
---[ end trace 0337bd4307f1172e ]---
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+0x471/0xe60 fs/namei.c:4577
Code: 89 c5 48 3d 01 f0 ff ff 72 0f e8 5a fd ba ff 4c 8b 64 24 20 e9 6a 03 00 00 4d 89 ec 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 2f 05 00 00 41 8b 5d 00 be 00 00 70 00
RSP: 0018:ffffc9000139fd80 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 00000000ffffff9c RCX: 0000000000080000
RDX: ffffc9001421e000 RSI: 0000000000001af5 RDI: 0000000000001af6
RBP: ffffc9000139ff08 R08: dffffc0000000000 R09: ffffed1026490b1c
R10: ffffed1026490b1c R11: 1ffff11026490b1b R12: 0000000000000001
R13: 0000000000000008 R14: ffff888110158000 R15: 0000000000000001
FS:  00007ffaa9e4b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffaab807da0 CR3: 000000012e393000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	89 c5                	mov    %eax,%ebp
   2:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   8:	72 0f                	jb     0x19
   a:	e8 5a fd ba ff       	call   0xffbafd69
   f:	4c 8b 64 24 20       	mov    0x20(%rsp),%r12
  14:	e9 6a 03 00 00       	jmp    0x383
  19:	4d 89 ec             	mov    %r13,%r12
  1c:	49 c1 ec 03          	shr    $0x3,%r12
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	41 0f b6 04 04       	movzbl (%r12,%rax,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 2f 05 00 00    	jne    0x566
  37:	41 8b 5d 00          	mov    0x0(%r13),%ebx
  3b:	be 00 00 70 00       	mov    $0x700000,%esi