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: 8290 Comm: syz-executor2 Not tainted 4.16.0-rc2+ #234
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ipt_do_table+0x12ee/0x1950 net/ipv4/netfilter/ip_tables.c:334
RSP: 0018:ffff8801cd4b6018 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8801d45cf3c8 RCX: ffffffff84b7907d
RDX: 00000000000014b9 RSI: 0000000000000000 RDI: ffff8801d45cf29a
RBP: ffff8801cd4b6220 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8801d45cf240 R15: ffff8801cd4b6198
FS:  00007f74f6c9f700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b9bc22000 CR3: 00000001adffa002 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 iptable_filter_hook+0x65/0x80 net/ipv4/netfilter/iptable_filter.c:41
 nf_hook_entry_hookfn include/linux/netfilter.h:120 [inline]
 nf_hook_slow+0xba/0x1a0 net/netfilter/core.c:483
 nf_hook include/linux/netfilter.h:243 [inline]
 __ip_local_out+0x4c1/0xa30 net/ipv4/ip_output.c:113
 ip_local_out+0x2d/0x160 net/ipv4/ip_output.c:122
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 sctp_v4_xmit+0x108/0x140 net/sctp/protocol.c:992
 sctp_packet_transmit+0x225e/0x3750 net/sctp/output.c:638
 sctp_outq_flush+0xabb/0x4060 net/sctp/outqueue.c:911
 sctp_outq_uncork+0x5a/0x70 net/sctp/outqueue.c:776
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1807 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1210 [inline]
 sctp_do_sm+0x4e0/0x6ed0 net/sctp/sm_sideeffect.c:1181
 sctp_primitive_ASSOCIATE+0x9d/0xd0 net/sctp/primitive.c:88
 sctp_sendmsg+0x13bd/0x35e0 net/sctp/socket.c:1985
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:639
 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2047
 __sys_sendmsg+0xe5/0x210 net/socket.c:2081
 SYSC_sendmsg net/socket.c:2092 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2088
 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x453da9
RSP: 002b:00007f74f6c9ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f74f6c9f6d4 RCX: 0000000000453da9
RDX: 0000000000000000 RSI: 000000002001afc8 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000004a6 R14: 00000000006f7030 R15: 0000000000000000
Code: 46 52 02 75 41 e8 53 7b b9 fc 8b 85 80 fe ff ff 8d 70 01 89 b5 00 ff ff ff 48 8b b5 88 fe ff ff 4c 8d 24 c6 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 e8 01 00 00 8b 85 00 ff ff ff 4d 89 34 24 
RIP: ipt_do_table+0x12ee/0x1950 net/ipv4/netfilter/ip_tables.c:334 RSP: ffff8801cd4b6018
---[ end trace e30618962281acf4 ]---