audit: type=1400 audit(1517107106.568:7): avc:  denied  { map } for  pid=3676 comm="syzkaller433333" path="/root/syzkaller433333786" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
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: 1 PID: 3676 Comm: syzkaller433333 Not tainted 4.15.0-rc9+ #212
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ip6t_do_table+0x12de/0x19d0 net/ipv6/netfilter/ip6_tables.c:360
RSP: 0018:ffff8801db306c60 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8801bcb34080 RCX: ffffffff84d5f422
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8801bcb341de
RBP: ffff8801db306e68 R08: ffff8801db306f60 R09: 0000000000000000
R10: 00000000000000d0 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8801bcb34150
FS:  0000000001668880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001b60 CR3: 00000001bcaf9002 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ip6table_security_hook+0x65/0x80 net/ipv6/netfilter/ip6table_security.c:45
 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]
 NF_HOOK include/linux/netfilter.h:286 [inline]
 ip6_input+0x35c/0x560 net/ipv6/ip6_input.c:327
 dst_input include/net/dst.h:449 [inline]
 ip6_rcv_finish+0x297/0x8c0 net/ipv6/ip6_input.c:71
 NF_HOOK include/linux/netfilter.h:288 [inline]
 ipv6_rcv+0xf37/0x1fa0 net/ipv6/ip6_input.c:208
 __netif_receive_skb_core+0x1a41/0x3460 net/core/dev.c:4547
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4612
 process_backlog+0x203/0x740 net/core/dev.c:5292
 napi_poll net/core/dev.c:5690 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5756
 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1150
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
 ip6_finish_output2+0xba0/0x23a0 net/ipv6/ip6_output.c:121
 ip6_finish_output+0x698/0xaf0 net/ipv6/ip6_output.c:154
 NF_HOOK_COND include/linux/netfilter.h:277 [inline]
 ip6_output+0x1eb/0x840 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:443 [inline]
 ip6_local_out+0x95/0x160 net/ipv6/output_core.c:176
 ip6_send_skb+0xa1/0x330 net/ipv6/ip6_output.c:1677
 udp_v6_send_skb+0x33a/0xf70 net/ipv6/udp.c:1044
 udpv6_sendmsg+0x2835/0x3400 net/ipv6/udp.c:1316
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:764
 sock_sendmsg_nosec net/socket.c:630 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:640
 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2046
 __sys_sendmsg+0xe5/0x210 net/socket.c:2080
 SYSC_sendmsg net/socket.c:2091 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2087
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x4412c9
RSP: 002b:00007ffe6aa80bc8 EFLAGS: 00000217 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004412c9
RDX: 0000000000000000 RSI: 000000002000cfc8 RDI: 0000000000000004
RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000402bf0
R13: 0000000000402c80 R14: 0000000000000000 R15: 0000000000000000
Code: 41 f6 87 83 00 00 00 04 75 37 e8 be 3f 9a fc 8b 85 54 fe ff ff 48 8b b5 90 fe ff ff 4c 8d 2c c6 44 8d 60 01 4c 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 5c 03 00 00 4d 89 7d 00 44 89 a5 54 fe ff 
RIP: ip6t_do_table+0x12de/0x19d0 net/ipv6/netfilter/ip6_tables.c:360 RSP: ffff8801db306c60
---[ end trace 37cb556db9bb2d4a ]---