IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 4220 Comm: syz-executor0 Not tainted 4.4.128-gbd23e3a #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d78be000 task.stack: ffff8801d6800000
RIP: 0010:[<ffffffff8349586f>]  [<ffffffff8349586f>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP: 0010:[<ffffffff8349586f>]  [<ffffffff8349586f>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP: 0010:[<ffffffff8349586f>]  [<ffffffff8349586f>] xfrm6_policy_check include/net/xfrm.h:1086 [inline]
RIP: 0010:[<ffffffff8349586f>]  [<ffffffff8349586f>] udpv6_queue_rcv_skb+0x18f/0x1500 net/ipv6/udp.c:634
RSP: 0018:ffff8801d6807760  EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8801d6910000 RCX: 0000000000000000
RDX: 000000000000000c RSI: ffffffff83495856 RDI: 0000000000000060
RBP: ffff8801d68077a0 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8801d78be000 R12: ffff8801d99a6000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801d99a6058
FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:000000000a37a900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000205dafe4 CR3: 00000001c7b1e000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 00000001d6910088 ffff8801d99a6000 ffff8801d6910088 ffff8801d6910000
 ffff8801d99a6000 dffffc0000000000 ffff8801d99a6058 0000000000000000
 ffff8801d6807810 ffffffff82f28f7b ffff8801d6910430 ffff8801d6910188
Call Trace:
 [<ffffffff82f28f7b>] sk_backlog_rcv include/net/sock.h:871 [inline]
 [<ffffffff82f28f7b>] __release_sock net/core/sock.c:2023 [inline]
 [<ffffffff82f28f7b>] release_sock+0x17b/0x500 net/core/sock.c:2473
 [<ffffffff83492257>] udpv6_sendmsg+0x917/0x24c0 net/ipv6/udp.c:1364
 [<ffffffff832fd7a3>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff82f1ba9c>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82f1ba9c>] sock_sendmsg+0xcc/0x110 net/socket.c:635
 [<ffffffff82f1bd03>] sock_write_iter+0x223/0x3b0 net/socket.c:834
 [<ffffffff8151c49d>] new_sync_write fs/read_write.c:478 [inline]
 [<ffffffff8151c49d>] __vfs_write+0x30d/0x3f0 fs/read_write.c:491
 [<ffffffff8151e081>] vfs_write+0x191/0x4e0 fs/read_write.c:538
 [<ffffffff81520689>] SYSC_write fs/read_write.c:585 [inline]
 [<ffffffff81520689>] SyS_write+0xd9/0x1c0 fs/read_write.c:577
 [<ffffffff81006d96>] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline]
 [<ffffffff81006d96>] do_fast_syscall_32+0x326/0x8b0 arch/x86/entry/common.c:459
 [<ffffffff838c00aa>] sysenter_flags_fixed+0xd/0x17
Code: 74 24 58 41 f6 c6 01 0f 85 e2 07 00 00 e8 6a b9 eb fd 49 83 e6 fe 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 60 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e c1 0d 00 00 41 f6 46 60 04 
RIP  [<ffffffff8349586f>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP  [<ffffffff8349586f>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP  [<ffffffff8349586f>] xfrm6_policy_check include/net/xfrm.h:1086 [inline]
RIP  [<ffffffff8349586f>] udpv6_queue_rcv_skb+0x18f/0x1500 net/ipv6/udp.c:634
 RSP <ffff8801d6807760>
---[ end trace 7cf06045a300448b ]---