audit: type=1400 audit(1519203191.767:18): avc:  denied  { net_raw } for  pid=5263 comm="syz-executor4" capability=13  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
Bearer <> rejected, not supported in standalone mode
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: 4460 Comm: kworker/0:2 Not tainted 4.16.0-rc2+ #235
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: ipv6_addrconf addrconf_dad_work
RIP: 0010:ip6t_do_table+0x132d/0x1a30 net/ipv6/netfilter/ip6_tables.c:355
RSP: 0018:ffff8801ac436d40 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8801c98c01e0 RCX: ffffffff84dc2921
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c98c00ce
RBP: ffff8801ac436f88 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8801c98c0040
FS:  0000000000000000(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004c9da0 CR3: 0000000006a22006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ip6table_filter_hook+0x65/0x80 net/ipv6/netfilter/ip6table_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.constprop.37+0x3f6/0x830 include/linux/netfilter.h:243
 NF_HOOK include/linux/netfilter.h:286 [inline]
 mld_sendpack+0x6c2/0xe70 net/ipv6/mcast.c:1658
 mld_send_initial_cr.part.25+0x103/0x150 net/ipv6/mcast.c:2075
 mld_send_initial_cr net/ipv6/mcast.c:2059 [inline]
 ipv6_mc_dad_complete+0x99/0x130 net/ipv6/mcast.c:2082
 addrconf_dad_completed+0x78b/0xb90 net/ipv6/addrconf.c:4064
 addrconf_dad_work+0x3d6/0x1320 net/ipv6/addrconf.c:3995
 process_one_work+0xbbf/0x1af0 kernel/workqueue.c:2113
 worker_thread+0x223/0x1990 kernel/workqueue.c:2247
 kthread+0x33c/0x400 kernel/kthread.c:238
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:407
Code: 41 f6 87 83 00 00 00 04 75 37 e8 af e2 94 fc 8b 85 14 fe ff ff 48 8b b5 50 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 26 03 00 00 4d 89 7d 00 44 89 a5 14 fe ff 
RIP: ip6t_do_table+0x132d/0x1a30 net/ipv6/netfilter/ip6_tables.c:355 RSP: ffff8801ac436d40
---[ end trace 42b9a42a20e2241e ]---
kasan: CONFIG_KASAN_INLINE enabled
Kernel panic - not syncing: Fatal exception in interrupt
kasan: GPF could be caused by NULL-ptr deref or user memory access
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..