general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 355 Comm: syz-executor.0 Not tainted 5.15.78-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
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:atomic_open fs/namei.c:3212 [inline]
RIP: 0010:lookup_open fs/namei.c:3305 [inline]
RIP: 0010:open_last_lookups fs/namei.c:3404 [inline]
RIP: 0010:path_openat+0x10cd/0x2560 fs/namei.c:3612
Code: 4c 89 ff e8 05 78 02 00 43 80 3c 2e 00 48 8b 5c 24 68 74 08 48 89 df e8 61 82 f6 ff 4c 8b 3b 8b 5c 24 48 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 1f 09 00 00 41 f6 47 02 70 75 17 bb fe
RSP: 0018:ffffc90000727920 EFLAGS: 00010247
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000300000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88811baa5498
RBP: ffffc90000727b70 R08: dffffc0000000000 R09: ffffed1023754a94
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: 1ffff110207f5c33 R15: 0000000000000004
FS:  00007fc69dd23700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ca4028dfd8 CR3: 000000010c5af000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_filp_open+0x208/0x400 fs/namei.c:3642
 do_sys_openat2+0x10b/0x420 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_openat fs/open.c:1266 [inline]
 __se_sys_openat fs/open.c:1261 [inline]
 __x64_sys_openat+0x209/0x250 fs/open.c:1261
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fc69e1d1169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc69dd23168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc69e2f1050 RCX: 00007fc69e1d1169
RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007fc69e22cca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3e7f522f R14: 00007fc69dd23300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace cff2068497ab7418 ]---
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:atomic_open fs/namei.c:3212 [inline]
RIP: 0010:lookup_open fs/namei.c:3305 [inline]
RIP: 0010:open_last_lookups fs/namei.c:3404 [inline]
RIP: 0010:path_openat+0x10cd/0x2560 fs/namei.c:3612
Code: 4c 89 ff e8 05 78 02 00 43 80 3c 2e 00 48 8b 5c 24 68 74 08 48 89 df e8 61 82 f6 ff 4c 8b 3b 8b 5c 24 48 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 1f 09 00 00 41 f6 47 02 70 75 17 bb fe
RSP: 0018:ffffc90000727920 EFLAGS: 00010247
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000300000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88811baa5498
RBP: ffffc90000727b70 R08: dffffc0000000000 R09: ffffed1023754a94
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: 1ffff110207f5c33 R15: 0000000000000004
FS:  00007fc69dd23700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ca4028dfd8 CR3: 000000010c5af000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4c 89 ff             	mov    %r15,%rdi
   3:	e8 05 78 02 00       	callq  0x2780d
   8:	43 80 3c 2e 00       	cmpb   $0x0,(%r14,%r13,1)
   d:	48 8b 5c 24 68       	mov    0x68(%rsp),%rbx
  12:	74 08                	je     0x1c
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 61 82 f6 ff       	callq  0xfff6827d
  1c:	4c 8b 3b             	mov    (%rbx),%r15
  1f:	8b 5c 24 48          	mov    0x48(%rsp),%ebx
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 1f 09 00 00    	jne    0x956
  37:	41 f6 47 02 70       	testb  $0x70,0x2(%r15)
  3c:	75 17                	jne    0x55
  3e:	bb                   	.byte 0xbb
  3f:	fe                   	.byte 0xfe