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: 515 Comm: syz.1.16 Not tainted 5.15.189-syzkaller-1081268-ga71626bd56a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:dir_rename fs/incfs/vfs.c:1411 [inline]
RIP: 0010:dir_rename_wrap+0x261/0x6a0 fs/incfs/vfs.c:91
Code: ff ff ff 48 8b 5c 24 20 e9 ca 03 00 00 e8 97 cb 66 ff 45 31 f6 49 83 c6 08 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 d1 43 a5 ff 4d 8b 36 48 8b 44 24 10
RSP: 0018:ffffc90000f27a20 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff888119ece818 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000f27b50 R08: dffffc0000000000 R09: fffff520001e4f35
R10: fffff520001e4f35 R11: 1ffff920001e4f34 R12: 1ffff110233d9d03
R13: 1ffff920001e4f50 R14: 0000000000000008 R15: ffff888119ece828
FS:  00007f66118de6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f66118bdd58 CR3: 000000011bdd8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rename+0xbb6/0x10d0 fs/namei.c:4832
 do_renameat2+0x7ed/0xf60 fs/namei.c:4985
 __do_sys_renameat2 fs/namei.c:5018 [inline]
 __se_sys_renameat2 fs/namei.c:5015 [inline]
 __x64_sys_renameat2+0xd8/0xf0 fs/namei.c:5015
 x64_sys_call+0x258/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:317
 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: 0033:0x7f6611e56299
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:00007f66118de048 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f6611fe4f80 RCX: 00007f6611e56299
RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00007f6611ec38e6 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6611fe4f80 R15: 00007ffd24babd28
 </TASK>
Modules linked in:
---[ end trace ea7c9c37fa38b4f3 ]---
RIP: 0010:dir_rename fs/incfs/vfs.c:1411 [inline]
RIP: 0010:dir_rename_wrap+0x261/0x6a0 fs/incfs/vfs.c:91
Code: ff ff ff 48 8b 5c 24 20 e9 ca 03 00 00 e8 97 cb 66 ff 45 31 f6 49 83 c6 08 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 d1 43 a5 ff 4d 8b 36 48 8b 44 24 10
RSP: 0018:ffffc90000f27a20 EFLAGS: 00010202

RAX: 0000000000000001 RBX: ffff888119ece818 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000f27b50 R08: dffffc0000000000 R09: fffff520001e4f35
R10: fffff520001e4f35 R11: 1ffff920001e4f34 R12: 1ffff110233d9d03
R13: 1ffff920001e4f50 R14: 0000000000000008 R15: ffff888119ece828
FS:  00007f66118de6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb37eebbd58 CR3: 000000011bdd8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	ff 48 8b             	decl   -0x75(%rax)
   3:	5c                   	pop    %rsp
   4:	24 20                	and    $0x20,%al
   6:	e9 ca 03 00 00       	jmp    0x3d5
   b:	e8 97 cb 66 ff       	call   0xff66cba7
  10:	45 31 f6             	xor    %r14d,%r14d
  13:	49 83 c6 08          	add    $0x8,%r14
  17:	4c 89 f0             	mov    %r14,%rax
  1a:	48 c1 e8 03          	shr    $0x3,%rax
  1e:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  25:	fc ff df
* 28:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2c:	74 08                	je     0x36
  2e:	4c 89 f7             	mov    %r14,%rdi
  31:	e8 d1 43 a5 ff       	call   0xffa54407
  36:	4d 8b 36             	mov    (%r14),%r14
  39:	48 8b 44 24 10       	mov    0x10(%rsp),%rax