WARNING: CPU: 0 PID: 29086 at net/core/stream.c:206 sk_stream_kill_queues+0x3c5/0x520 net/core/stream.c:206 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 29086 Comm: syz-executor0 Not tainted 4.16.0-rc2+ #244 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178 cannot load conntrack support for proto=7 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 cannot load conntrack support for proto=7 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x58/0x80 arch/x86/entry/entry_64.S:957 RIP: 0010:sk_stream_kill_queues+0x3c5/0x520 net/core/stream.c:206 RSP: 0018:ffff8801a94f7478 EFLAGS: 00010216 RAX: 0000000000010000 RBX: ffff8801acca2740 RCX: ffffffff8465feb5 RDX: 0000000000000e6b RSI: ffffc90002119000 RDI: ffff8801acca2978 RBP: ffff8801a94f74b8 R08: 1ffff1003529ee1e R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000b00 R13: ffff8801acca2930 R14: ffffffff88f977a0 R15: ffff8801acca2878 inet_csk_destroy_sock+0x175/0x3f0 net/ipv4/inet_connection_sock.c:833 tcp_done+0x1e9/0x240 net/ipv4/tcp.c:3499 tcp_time_wait+0x60b/0xa60 net/ipv4/tcp_minisocks.c:333 tcp_rcv_state_process+0x35af/0x4760 net/ipv4/tcp_input.c:6010 tcp_v6_do_rcv+0x739/0x1250 net/ipv6/tcp_ipv6.c:1331 sk_backlog_rcv include/net/sock.h:909 [inline] __release_sock+0x124/0x360 net/core/sock.c:2275 release_sock+0xa4/0x2a0 net/core/sock.c:2790 tcp_close+0x5fb/0x1190 net/ipv4/tcp.c:2242 tls_sk_proto_close+0x4f8/0x800 net/tls/tls_main.c:260 inet_release+0xed/0x1c0 net/ipv4/af_inet.c:427 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:435 sock_release+0x8d/0x1e0 net/socket.c:594 sock_close+0x16/0x20 net/socket.c:1149 __fput+0x327/0x7e0 fs/file_table.c:209 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x275/0x2f0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6e5/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453d69 RSP: 002b:00007f18f17b7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007f18f17b86d4 RCX: 0000000000453d69 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000052 R14: 00000000006f0850 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..