------------[ cut here ]------------
kernel BUG at net/ipv6/route.c:1264!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 26080 Comm: syz-executor.4 Not tainted 5.1.0-rc4+ #161
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1264 [inline]
RIP: 0010:ip6_pol_route+0x903/0x1040 net/ipv6/route.c:1909
Code: 48 03 1c c5 60 90 6b 88 be 08 00 00 00 48 89 df e8 02 ef 92 fb 31 c0 f0 4c 0f b1 33 48 85 c0 0f 84 57 fa ff ff e8 6d 0d 5b fb <0f> 0b e8 66 0d 5b fb e8 01 51 49 fb 31 ff 89 c6 88 85 28 ff ff ff
RSP: 0018:ffff88806774f198 EFLAGS: 00010206
RAX: 0000000000040000 RBX: ffffe8ffffc7bd80 RCX: ffffc9000e870000
RDX: 00000000000006a0 RSI: ffffffff86158193 RDI: ffffe8ffffc7bd80
RBP: ffff88806774f288 R08: 1ffffd1ffff8f7b0 R09: fffff91ffff8f7b1
R10: fffff91ffff8f7b0 R11: ffffe8ffffc7bd87 R12: ffff8880a57ed8c0
R13: 0000000000000001 R14: ffff8880a887ea40 R15: ffff88806774f1f0
FS:  00007f589fac9700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3f05604000 CR3: 00000000a9628000 CR4: 00000000001406f0
Call Trace:
 ip6_pol_route_input+0x65/0x80 net/ipv6/route.c:1925
 fib6_rule_lookup+0x128/0x560 net/ipv6/fib6_rules.c:118
 ip6_route_input_lookup+0xb7/0xd0 net/ipv6/route.c:1937
 ip6_route_input+0x5e2/0x9e0 net/ipv6/route.c:2072
 ip6_rcv_finish_core.isra.0+0x174/0x590 net/ipv6/ip6_input.c:63
 ip6_rcv_finish+0x17d/0x320 net/ipv6/ip6_input.c:74
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 ipv6_rcv+0x10e/0x420 net/ipv6/ip6_input.c:272
 __netif_receive_skb_one_core+0x115/0x1a0 net/core/dev.c:4973
 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5085
 netif_receive_skb_internal+0x117/0x660 net/core/dev.c:5188
 napi_frags_finish net/core/dev.c:5755 [inline]
 napi_gro_frags+0xade/0xd10 net/core/dev.c:5829
 tun_get_user+0x2f24/0x3fb0 drivers/net/tun.c:1981
 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2027
 call_write_iter include/linux/fs.h:1866 [inline]
 do_iter_readv_writev+0x5e1/0x8e0 fs/read_write.c:681
 do_iter_write fs/read_write.c:957 [inline]
 do_iter_write+0x184/0x610 fs/read_write.c:938
 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1002
 do_writev+0x15e/0x370 fs/read_write.c:1037
 __do_sys_writev fs/read_write.c:1110 [inline]
 __se_sys_writev fs/read_write.c:1107 [inline]
 __x64_sys_writev+0x75/0xb0 fs/read_write.c:1107
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4581b1
Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f589fac8ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 0000000000000074 RCX: 00000000004581b1
RDX: 0000000000000001 RSI: 00007f589fac8c00 RDI: 00000000000000f0
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f589fac96d4
R13: 00000000004c697a R14: 00000000004dc270 R15: 00000000ffffffff
Modules linked in:
---[ end trace 277fe6013fa6b271 ]---
RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1264 [inline]
RIP: 0010:ip6_pol_route+0x903/0x1040 net/ipv6/route.c:1909
Code: 48 03 1c c5 60 90 6b 88 be 08 00 00 00 48 89 df e8 02 ef 92 fb 31 c0 f0 4c 0f b1 33 48 85 c0 0f 84 57 fa ff ff e8 6d 0d 5b fb <0f> 0b e8 66 0d 5b fb e8 01 51 49 fb 31 ff 89 c6 88 85 28 ff ff ff
RSP: 0018:ffff88806774f198 EFLAGS: 00010206
RAX: 0000000000040000 RBX: ffffe8ffffc7bd80 RCX: ffffc9000e870000
RDX: 00000000000006a0 RSI: ffffffff86158193 RDI: ffffe8ffffc7bd80
RBP: ffff88806774f288 R08: 1ffffd1ffff8f7b0 R09: fffff91ffff8f7b1
R10: fffff91ffff8f7b0 R11: ffffe8ffffc7bd87 R12: ffff8880a57ed8c0
R13: 0000000000000001 R14: ffff8880a887ea40 R15: ffff88806774f1f0
FS:  00007f589fac9700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3f05604000 CR3: 00000000a9628000 CR4: 00000000001406f0