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
CPU: 0 PID: 19745 Comm: syz-executor.4 Not tainted 5.4.0-rc4+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ip6_ignore_linkdown include/net/addrconf.h:402 [inline]
RIP: 0010:find_match+0x132/0xd70 net/ipv6/route.c:743
Code: 0f b6 75 b0 40 84 f6 0f 84 ad 01 00 00 e8 26 ae 25 fb 49 8d bf 3c 02 00 00 48 b8 00 00 00 00 00 fc ff df 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 15
RSP: 0018:ffff88808253f2a0 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: ffff8880a0b8baa0 RCX: ffffffff864d756b
RDX: 0000000000000047 RSI: ffffffff864d738a RDI: 000000000000023c
RBP: ffff88808253f300 R08: ffff88808ad5a5c0 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000003
R13: ffff88808253f500 R14: ffff8880a0b8baaf R15: 0000000000000000
FS:  00007f1afefb0700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67faff1db8 CR3: 000000009c9b5000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __find_rr_leaf+0x14e/0x750 net/ipv6/route.c:831
 find_rr_leaf net/ipv6/route.c:852 [inline]
 rt6_select net/ipv6/route.c:896 [inline]
 fib6_table_lookup+0x697/0xdb0 net/ipv6/route.c:2164
 ip6_pol_route+0x1f6/0xaf0 net/ipv6/route.c:2200
 ip6_pol_route_output+0x54/0x70 net/ipv6/route.c:2452
 fib6_rule_lookup+0x133/0x7d0 net/ipv6/fib6_rules.c:113
 ip6_route_output_flags_noref+0x2d6/0x360 net/ipv6/route.c:2484
 ip6_route_output_flags+0x106/0x4d0 net/ipv6/route.c:2497
 ip6_route_output include/net/ip6_route.h:98 [inline]
 ip6_dst_lookup_tail+0x1042/0x1ef0 net/ipv6/ip6_output.c:1025
 ip6_dst_lookup_flow+0xa8/0x220 net/ipv6/ip6_output.c:1153
 ip6_datagram_dst_update+0x5d8/0xc50 net/ipv6/datagram.c:88
 __ip6_datagram_connect+0x5e9/0x15e0 net/ipv6/datagram.c:247
 ip6_datagram_connect+0x30/0x50 net/ipv6/datagram.c:271
 inet_dgram_connect+0x14a/0x2d0 net/ipv4/af_inet.c:571
 __sys_connect+0x264/0x330 net/socket.c:1828
 __do_sys_connect net/socket.c:1839 [inline]
 __se_sys_connect net/socket.c:1836 [inline]
 __x64_sys_connect+0x73/0xb0 net/socket.c:1836
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459f39
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f1afefafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459f39
RDX: 000000000000001c RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1afefb06d4
R13: 00000000004c0651 R14: 00000000004d2be8 R15: 00000000ffffffff
Modules linked in:
---[ end trace e16835c803ca48dc ]---
RIP: 0010:ip6_ignore_linkdown include/net/addrconf.h:402 [inline]
RIP: 0010:find_match+0x132/0xd70 net/ipv6/route.c:743
Code: 0f b6 75 b0 40 84 f6 0f 84 ad 01 00 00 e8 26 ae 25 fb 49 8d bf 3c 02 00 00 48 b8 00 00 00 00 00 fc ff df 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 15
RSP: 0018:ffff88808253f2a0 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: ffff8880a0b8baa0 RCX: ffffffff864d756b
RDX: 0000000000000047 RSI: ffffffff864d738a RDI: 000000000000023c
RBP: ffff88808253f300 R08: ffff88808ad5a5c0 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000003
R13: ffff88808253f500 R14: ffff8880a0b8baaf R15: 0000000000000000
FS:  00007f1afefb0700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdc2d0cfcc CR3: 000000009c9b5000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400