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: 6148 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:ffff8801d4f0f960 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 1ffff1003a9e1f2c RCX: ffffffff847058d6 RDX: 000000000000000e RSI: ffffc900019cd000 RDI: 0000000000000072 RBP: ffff8801d4f0f9e8 R08: 1ffff1003a9e1efa R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006 R13: ffff8801d4f0f9c0 R14: dffffc0000000000 R15: ffffffff84705820 FS: 00007ffb4f74b700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000071c000 CR3: 00000001d3322005 CR4: 00000000001626e0 Call Trace: cleanup_match+0x14e/0x220 net/ipv6/netfilter/ip6_tables.c:486 cleanup_entry+0xcb/0x350 net/ipv4/netfilter/ip_tables.c:651 __do_replace+0x7d7/0xa90 net/ipv4/netfilter/ip_tables.c:1096 do_replace net/ipv4/netfilter/ip_tables.c:1152 [inline] do_ipt_set_ctl+0x40f/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 raw_setsockopt+0xb7/0xd0 net/ipv4/raw.c:857 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:00007ffb4f74ac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ffb4f74b700 RCX: 0000000000453299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 0000000000a2f3c0 R08: 00000000000012f0 R09: 0000000000000000 R10: 0000000020005000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a2f33f R14: 00007ffb4f74b9c0 R15: 0000000000000002 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: ffff8801d4f0f960 RIP: cgroup_put include/linux/cgroup.h:415 [inline] RSP: ffff8801d4f0f960 RIP: cgroup_mt_destroy_v1+0xcc/0x310 net/netfilter/xt_cgroup.c:102 RSP: ffff8801d4f0f960 ---[ end trace a5dbe76a4d33d2a9 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..