xt_l2tp: v2 tid > 0xffff: 4294967294 ipt_CLUSTERIP: Please specify destination IP 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: 6147 Comm: syz-executor1 Not tainted 4.15.0-rc9+ #283 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:css_put include/linux/cgroup.h:386 [inline] RIP: 0010:cgroup_put include/linux/cgroup.h:415 [inline] RIP: 0010:cgroup_mt_destroy_v1+0xcc/0x310 net/netfilter/xt_cgroup.c:102 RSP: 0018:ffff8801baeef848 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 1ffff100375ddf09 RCX: ffffffff847058d6 RDX: 000000000000000d RSI: ffffc9000264a000 RDI: 000000000000006d RBP: ffff8801baeef8d0 R08: ffffed00375ddf4d R09: 0000000000000000 R10: ffffffff88178f20 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8801baeef8a8 R14: dffffc0000000000 R15: ffffffff84705820 FS: 00007f13669e4700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020012fc0 CR3: 00000001d9239005 CR4: 00000000001606f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: cleanup_match+0x14e/0x220 net/ipv6/netfilter/ip6_tables.c:486 find_check_entry.isra.8+0x513/0xcb0 net/ipv4/netfilter/ip_tables.c:570 translate_table+0xed1/0x1610 net/ipv4/netfilter/ip_tables.c:730 do_replace net/ipv4/netfilter/ip_tables.c:1148 [inline] do_ipt_set_ctl+0x370/0x5f0 net/ipv4/netfilter/ip_tables.c:1682 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1256 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2875 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1831 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1810 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f13669e3c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000015 RBP: 00000000000003d6 R08: 0000000000001328 R09: 0000000000000000 R10: 00000000203a2000 R11: 0000000000000212 R12: 00000000006f4cb0 R13: 00000000ffffffff R14: 00007f13669e46d4 R15: 0000000000000000 Code: 02 00 00 4d 8b a4 24 08 10 00 00 4d 85 e4 74 3c e8 9a d2 ff fc 49 8d 7c 24 6c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP: css_put include/linux/cgroup.h:386 [inline] RSP: ffff8801baeef848 RIP: cgroup_put include/linux/cgroup.h:415 [inline] RSP: ffff8801baeef848 RIP: cgroup_mt_destroy_v1+0xcc/0x310 net/netfilter/xt_cgroup.c:102 RSP: ffff8801baeef848 ---[ end trace 1a48d7c47de755e3 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..