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: 10422 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #217 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:ffff8801db406c60 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8801cb8136c0 RCX: ffffffff84d6bbb2 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8801cb81381e RBP: ffff8801db406e68 R08: ffff8801db406f60 R09: 0000000000000002 R10: 00000000000000d0 R11: 0000000000000020 R12: 0000000000000001 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8801cb813790 FS: 00007f6161b59700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020009000 CR3: 00000001b9a62001 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 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 ip6_push_pending_frames+0xb3/0xe0 net/ipv6/ip6_output.c:1697 rawv6_push_pending_frames net/ipv6/raw.c:616 [inline] rawv6_sendmsg+0x2f96/0x40c0 net/ipv6/raw.c:935 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 SYSC_sendto+0x361/0x5c0 net/socket.c:1747 SyS_sendto+0x40/0x50 net/socket.c:1715 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f6161b58c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453299 RDX: 0000000000001000 RSI: 0000000020002000 RDI: 0000000000000014 RBP: 00000000000004ce R08: 0000000020009000 R09: 000000000000001c R10: 0000000000004000 R11: 0000000000000212 R12: 00000000006f63f0 R13: 00000000ffffffff R14: 00007f6161b596d4 R15: 0000000000000002 Code: 41 f6 87 83 00 00 00 04 75 37 e8 8e 75 99 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: ffff8801db406c60 ---[ end trace a2c9c51504f5c247 ]---