kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 14235 Comm: syz-executor.1 Not tainted 4.14.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a4546300 task.stack: ffff88805b518000
RIP: 0010:do_last fs/namei.c:3269 [inline]
RIP: 0010:path_openat+0x20b/0x3db0 fs/namei.c:3569
RSP: 0018:ffff88805b51fb18 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90009630000
RDX: 0000000000000000 RSI: ffffffff8192a820 RDI: 0000000000000004
RBP: ffff88805b51fc70 R08: ffff8880a4546300 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000003 R12: ffff88805b51fcb0
R13: ffff88805b51fcb0 R14: ffff8880a6eb09e0 R15: 0000000000000000
FS:  00007f65aa409700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd9aa557518 CR3: 000000008b203000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_filp_open+0x18e/0x250 fs/namei.c:3603
 do_sys_open+0x2c5/0x430 fs/open.c:1084
 SYSC_openat fs/open.c:1111 [inline]
 SyS_openat+0x30/0x40 fs/open.c:1105
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45b349
RSP: 002b:00007f65aa408c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f65aa4096d4 RCX: 000000000045b349
RDX: 0000000000000000 RSI: 0000000020000200 RDI: ffffffffffffff9c
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000007b2 R14: 00000000004c9127 R15: 000000000075bfd4
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 03 30 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5e 58 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 
RIP: do_last fs/namei.c:3269 [inline] RSP: ffff88805b51fb18
RIP: path_openat+0x20b/0x3db0 fs/namei.c:3569 RSP: ffff88805b51fb18
---[ end trace 7a8f6a306945d500 ]---