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: 0 PID: 28496 Comm: syz-executor4 Not tainted 4.4.141-g9664bde #75
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800bb249800 task.stack: ffff8800b7548000
RIP: 0010:[<ffffffff833d549a>]  [<ffffffff833d549a>] xfrm_policy_ok net/xfrm/xfrm_policy.c:2382 [inline]
RIP: 0010:[<ffffffff833d549a>]  [<ffffffff833d549a>] __xfrm_policy_check+0xc9a/0x1b30 net/xfrm/xfrm_policy.c:2558
RSP: 0018:ffff8801db2075a8  EFLAGS: 00010246
RAX: 000000000000004f RBX: 0000000000000246 RCX: ffff8800bb249800
RDX: 0000000000000000 RSI: ffffffff833d5469 RDI: 0000000000000278
RBP: ffff8801db2077f0 R08: ffff8800bb24a100 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8801db2076e8 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f73f359d700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa55645c000 CR3: 00000000af56a000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff833d493f ffff8801db207648 ffff8801db2076e0 0000000200000001
 ffff8801db207650 ffff8801d3677048 0000000200020000 ffff8801db2076f0
 ffff8800b1146600 ffffffff00000002 1ffff1003b640ec5 ffff8801db207748
Call Trace:
 <IRQ> 
 [<ffffffff832a698c>] __xfrm_policy_check2 include/net/xfrm.h:1071 [inline]
 [<ffffffff832a698c>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
 [<ffffffff832a698c>] xfrm4_policy_check include/net/xfrm.h:1081 [inline]
 [<ffffffff832a698c>] tcp_v4_rcv+0x197c/0x30a0 net/ipv4/tcp_ipv4.c:1695
 [<ffffffff832017a7>] ip_local_deliver_finish+0x257/0xa60 net/ipv4/ip_input.c:216
IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready
 [<ffffffff83203d21>] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline]
 [<ffffffff83203d21>] NF_HOOK include/linux/netfilter.h:249 [inline]
 [<ffffffff83203d21>] ip_local_deliver+0x1f1/0x380 net/ipv4/ip_input.c:257
A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
 [<ffffffff8320260a>] dst_input include/net/dst.h:504 [inline]
 [<ffffffff8320260a>] ip_rcv_finish+0x65a/0x1640 net/ipv4/ip_input.c:365
IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready
 [<ffffffff83204894>] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline]
 [<ffffffff83204894>] NF_HOOK include/linux/netfilter.h:249 [inline]
 [<ffffffff83204894>] ip_rcv+0x9e4/0x1190 net/ipv4/ip_input.c:455
 [<ffffffff82f7ebd6>] __netif_receive_skb_core+0x12d6/0x2940 net/core/dev.c:4019
 [<ffffffff82f8029b>] __netif_receive_skb+0x5b/0x1b0 net/core/dev.c:4054
A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
 [<ffffffff82f84826>] process_backlog+0x216/0x6a0 net/core/dev.c:4647
 [<ffffffff82f81662>] napi_poll net/core/dev.c:4885 [inline]
 [<ffffffff82f81662>] net_rx_action+0x3a2/0xdb0 net/core/dev.c:4950
 [<ffffffff838c61ec>] __do_softirq+0x22c/0xa1a kernel/softirq.c:273
 [<ffffffff838c3f9c>] do_softirq_own_stack+0x1c/0x30 arch/x86/entry/entry_64.S:929
 <EOI> 
 [<ffffffff8113da14>] do_softirq.part.16+0x54/0x60 kernel/softirq.c:317
 [<ffffffff8113dae6>] do_softirq arch/x86/include/asm/preempt.h:22 [inline]
 [<ffffffff8113dae6>] __local_bh_enable_ip+0xc6/0xd0 kernel/softirq.c:170
 [<ffffffff832163f2>] local_bh_enable include/linux/bottom_half.h:31 [inline]
 [<ffffffff832163f2>] rcu_read_unlock_bh include/linux/rcupdate.h:957 [inline]
 [<ffffffff832163f2>] ip_finish_output2+0x6f2/0x1110 net/ipv4/ip_output.c:215
 [<ffffffff8321995e>] ip_finish_output+0x7be/0xc00 net/ipv4/ip_output.c:288
 [<ffffffff8321d3b9>] NF_HOOK_COND include/linux/netfilter.h:240 [inline]
 [<ffffffff8321d3b9>] ip_output+0x219/0x4c0 net/ipv4/ip_output.c:362
 [<ffffffff8321a27b>] dst_output include/net/dst.h:498 [inline]
 [<ffffffff8321a27b>] ip_local_out+0x9b/0x180 net/ipv4/ip_output.c:119
 [<ffffffff8321b5be>] ip_queue_xmit+0x88e/0x1af0 net/ipv4/ip_output.c:461
 [<ffffffff832812a2>] tcp_transmit_skb+0x1642/0x2bf0 net/ipv4/tcp_output.c:1029
 [<ffffffff83289cdd>] tcp_send_syn_data net/ipv4/tcp_output.c:3243 [inline]
 [<ffffffff83289cdd>] tcp_connect+0x1d3d/0x30c0 net/ipv4/tcp_output.c:3278
 [<ffffffff8329bc21>] tcp_v4_connect+0xf31/0x1890 net/ipv4/tcp_ipv4.c:246
 [<ffffffff832f9fc9>] __inet_stream_connect+0x2a9/0xc30 net/ipv4/af_inet.c:615
 [<ffffffff83249b90>] tcp_sendmsg_fastopen net/ipv4/tcp.c:1092 [inline]
 [<ffffffff83249b90>] tcp_sendmsg+0x1600/0x2b00 net/ipv4/tcp.c:1112
 [<ffffffff83301213>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff82f1e2fc>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82f1e2fc>] sock_sendmsg+0xcc/0x110 net/socket.c:635
 [<ffffffff82f1efdc>] SYSC_sendto+0x21c/0x370 net/socket.c:1665
 [<ffffffff82f21660>] SyS_sendto+0x40/0x50 net/socket.c:1633
 [<ffffffff838c2d25>] entry_SYSCALL_64_fastpath+0x22/0x9e
Code: ff 48 c1 e8 03 42 80 3c 30 00 0f 85 11 0d 00 00 48 8b 85 f0 fd ff ff 48 8b 18 48 8d 7b 32 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 30 38 d0 7f 08 84 c0 0f 85 11 0d 00 00 0f b6 43 32 
RIP  [<ffffffff833d549a>] xfrm_policy_ok net/xfrm/xfrm_policy.c:2382 [inline]
RIP  [<ffffffff833d549a>] __xfrm_policy_check+0xc9a/0x1b30 net/xfrm/xfrm_policy.c:2558
 RSP <ffff8801db2075a8>
---[ end trace 23f9eabf21dc52a5 ]---