kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 1522 Comm: syz-executor0 Not tainted 4.14.0-rc5+ #90
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d9b62480 task.stack: ffff88019ff20000
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
RIP: 0010:do_raw_spin_lock+0x23/0x1e0 kernel/locking/spinlock_debug.c:112
RSP: 0018:ffff88019ff27060 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 0000000000000018 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 000000000000001c
RBP: ffff88019ff27080 R08: ffffffff84318073 R09: 0000000000000000
R10: ffff88019ff26f68 R11: 0000000000000030 R12: ffff8801d1c2e3a0
R13: dffffc0000000000 R14: ffff8801a1473700 R15: ffff8801d1d43390
FS:  00007f1b258da700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020402000 CR3: 00000001c7399000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x39/0x40 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:321 [inline]
 rt6_select net/ipv6/route.c:786 [inline]
 ip6_pol_route+0x1be3/0x3ae0 net/ipv6/route.c:1662
 ip6_pol_route_output+0x4c/0x60 net/ipv6/route.c:1855
 fib6_rule_lookup+0x9e/0x2a0 net/ipv6/ip6_fib.c:309
 ip6_route_output_flags+0x1f1/0x2b0 net/ipv6/route.c:1883
 ip6_route_output include/net/ip6_route.h:80 [inline]
 ip6_dst_lookup_tail+0x4ea/0x970 net/ipv6/ip6_output.c:953
 ip6_dst_lookup_flow+0xc8/0x270 net/ipv6/ip6_output.c:1076
 ip6_datagram_dst_update+0x720/0x13d0 net/ipv6/datagram.c:91
 __ip6_datagram_connect+0x531/0xf80 net/ipv6/datagram.c:252
 ip6_datagram_connect+0x2f/0x50 net/ipv6/datagram.c:274
 ip6_datagram_connect_v6_only+0x5e/0x80 net/ipv6/datagram.c:286
 inet_dgram_connect+0x16b/0x1f0 net/ipv4/af_inet.c:541
 SYSC_connect+0x204/0x470 net/socket.c:1642
 SyS_connect+0x24/0x30 net/socket.c:1623
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f1b258d9be8 EFLAGS: 00000212 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000758300 RCX: 0000000000452869
RDX: 000000000000001c RSI: 0000000020402000 RDI: 0000000000000017
RBP: 00000000000003d9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3cf8
R13: 00000000ffffffff R14: 00007f1b258da6d4 R15: 000000000000000c
Code: 0f 1f 84 00 00 00 00 00 55 48 b8 00 00 00 00 00 fc ff df 48 89 e5 41 56 41 55 41 54 53 48 89 fb 48 83 c7 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: debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] RSP: ffff88019ff27060
RIP: do_raw_spin_lock+0x23/0x1e0 kernel/locking/spinlock_debug.c:112 RSP: ffff88019ff27060
---[ end trace 3f48a11cf6a06be9 ]---