general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 430 Comm: syz-executor.0 Not tainted 5.10.85-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: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:atomic_open fs/namei.c:3065 [inline]
RIP: 0010:lookup_open fs/namei.c:3155 [inline]
RIP: 0010:open_last_lookups fs/namei.c:3253 [inline]
RIP: 0010:path_openat+0x10cc/0x2760 fs/namei.c:3441
Code: 48 89 f7 e8 76 4d 02 00 43 80 3c 2f 00 48 8b 5c 24 68 74 08 48 89 df e8 a2 c8 f6 ff 48 8b 33 8b 54 24 18 48 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 06 0a 00 00 f6 46 02 70 75 2e bb fe ff
RSP: 0018:ffffc900008d7980 EFLAGS: 00010247
RAX: 0000000000000000 RBX: ffff88810c764f18 RCX: 0000000300000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88811caffaf8
RBP: ffffc900008d7bb0 R08: dffffc0000000000 R09: ffffed102395ff60
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810c764f44
R13: dffffc0000000000 R14: 1ffff110218ec9e8 R15: 1ffff110218ec9e3
FS:  00007fcee13dd700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcee19a7000 CR3: 000000010c967000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_filp_open+0x1f1/0x3f0 fs/namei.c:3471
 do_sys_openat2+0xf7/0x380 fs/open.c:1211
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_openat fs/open.c:1243 [inline]
 __se_sys_openat fs/open.c:1238 [inline]
 __x64_sys_openat+0x209/0x250 fs/open.c:1238
 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fcee188b169
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:00007fcee13dd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fcee19ab050 RCX: 00007fcee188b169
RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007fcee18e6ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffdd7df63f R14: 00007fcee13dd300 R15: 0000000000022000
Modules linked in:
---[ end trace e8236d6471d9317a ]---
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:atomic_open fs/namei.c:3065 [inline]
RIP: 0010:lookup_open fs/namei.c:3155 [inline]
RIP: 0010:open_last_lookups fs/namei.c:3253 [inline]
RIP: 0010:path_openat+0x10cc/0x2760 fs/namei.c:3441
Code: 48 89 f7 e8 76 4d 02 00 43 80 3c 2f 00 48 8b 5c 24 68 74 08 48 89 df e8 a2 c8 f6 ff 48 8b 33 8b 54 24 18 48 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 06 0a 00 00 f6 46 02 70 75 2e bb fe ff
RSP: 0018:ffffc900008d7980 EFLAGS: 00010247
RAX: 0000000000000000 RBX: ffff88810c764f18 RCX: 0000000300000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88811caffaf8
RBP: ffffc900008d7bb0 R08: dffffc0000000000 R09: ffffed102395ff60
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810c764f44
R13: dffffc0000000000 R14: 1ffff110218ec9e8 R15: 1ffff110218ec9e3
FS:  00007fcee13dd700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcee19a7000 CR3: 000000010c967000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 89 f7             	mov    %rsi,%rdi
   3:	e8 76 4d 02 00       	callq  0x24d7e
   8:	43 80 3c 2f 00       	cmpb   $0x0,(%r15,%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 a2 c8 f6 ff       	callq  0xfff6c8be
  1c:	48 8b 33             	mov    (%rbx),%rsi
  1f:	8b 54 24 18          	mov    0x18(%rsp),%edx
  23:	48 89 f0             	mov    %rsi,%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 06 0a 00 00    	jne    0xa3d
  37:	f6 46 02 70          	testb  $0x70,0x2(%rsi)
  3b:	75 2e                	jne    0x6b
  3d:	bb                   	.byte 0xbb
  3e:	fe                   	(bad)
  3f:	ff                   	.byte 0xff