general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 295 Comm: syz-executor282 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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:3347 [inline]
RIP: 0010:lookup_open fs/namei.c:3439 [inline]
RIP: 0010:open_last_lookups fs/namei.c:3538 [inline]
RIP: 0010:path_openat+0x185b/0x2f40 fs/namei.c:3745
Code: b6 04 28 84 c0 0f 85 ef 07 00 00 48 8b 44 24 28 80 60 01 f8 e9 cc ed ff ff e8 e1 ae b2 ff 48 8b 5c 24 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a6 07 00 00 49 89 de 8b 1b be 00 00 70
RSP: 0018:ffffc90000987900 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff88811e94cf00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90000987b50 R08: ffffffff81c04f00 R09: ffffed10237acab6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000987ba0
R13: dffffc0000000000 R14: 0000000000000008 R15: ffffc90000987da0
FS:  00007f27781216c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020004d00 CR3: 000000011af99000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_filp_open+0x21c/0x460 fs/namei.c:3775
 do_sys_openat2+0x13f/0x830 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+0x243/0x290 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: 0033:0x7f27781834e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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:00007f2778121218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f277820d3f8 RCX: 00007f27781834e9
RDX: 0000000000020200 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007f277820d3f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000010 R11: 0000000000000246 R12: 00007f27781da0dc
R13: 00007f27781d80d8 R14: 0030656c69662f2e R15: 00007ffdf71ddcb8
 </TASK>
Modules linked in:
---[ end trace 2d309ae21d368858 ]---
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:3347 [inline]
RIP: 0010:lookup_open fs/namei.c:3439 [inline]
RIP: 0010:open_last_lookups fs/namei.c:3538 [inline]
RIP: 0010:path_openat+0x185b/0x2f40 fs/namei.c:3745
Code: b6 04 28 84 c0 0f 85 ef 07 00 00 48 8b 44 24 28 80 60 01 f8 e9 cc ed ff ff e8 e1 ae b2 ff 48 8b 5c 24 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a6 07 00 00 49 89 de 8b 1b be 00 00 70
RSP: 0018:ffffc90000987900 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff88811e94cf00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90000987b50 R08: ffffffff81c04f00 R09: ffffed10237acab6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000987ba0
R13: dffffc0000000000 R14: 0000000000000008 R15: ffffc90000987da0
FS:  00007f27781216c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020004d00 CR3: 000000011af99000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	b6 04                	mov    $0x4,%dh
   2:	28 84 c0 0f 85 ef 07 	sub    %al,0x7ef850f(%rax,%rax,8)
   9:	00 00                	add    %al,(%rax)
   b:	48 8b 44 24 28       	mov    0x28(%rsp),%rax
  10:	80 60 01 f8          	andb   $0xf8,0x1(%rax)
  14:	e9 cc ed ff ff       	jmp    0xffffede5
  19:	e8 e1 ae b2 ff       	call   0xffb2aeff
  1e:	48 8b 5c 24 10       	mov    0x10(%rsp),%rbx
  23:	48 89 d8             	mov    %rbx,%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 a6 07 00 00    	jne    0x7dd
  37:	49 89 de             	mov    %rbx,%r14
  3a:	8b 1b                	mov    (%rbx),%ebx
  3c:	be                   	.byte 0xbe
  3d:	00 00                	add    %al,(%rax)
  3f:	70                   	.byte 0x70