WARNING: CPU: 0 PID: 7536 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: 7536 Comm: syz-executor6 Not tainted 4.15.0-rc8+ #196
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+0x194/0x257 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
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1085
RIP: 0010:sk_stream_kill_queues+0x3c5/0x520 net/core/stream.c:206
RSP: 0018:ffff8801bc9f7238 EFLAGS: 00010293
RAX: ffff8801d98003c0 RBX: ffff8801bbb66c00 RCX: ffffffff84356225
RDX: 0000000000000000 RSI: ffffffff86941440 RDI: ffff8801bbb66e38
RBP: ffff8801bc9f7278 R08: 1ffff1003793edd6 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000b00
R13: ffff8801bbb66df0 R14: ffffffff888cafa0 R15: ffff8801bbb66d38
 inet_csk_destroy_sock+0x175/0x3f0 net/ipv4/inet_connection_sock.c:834
 tcp_done+0x1e9/0x240 net/ipv4/tcp.c:3493
 tcp_time_wait+0x60b/0xa60 net/ipv4/tcp_minisocks.c:333
 tcp_rcv_state_process+0x34b0/0x4830 net/ipv4/tcp_input.c:5991
 tcp_v6_do_rcv+0x739/0x11c0 net/ipv6/tcp_ipv6.c:1330
 sk_backlog_rcv include/net/sock.h:908 [inline]
 __release_sock+0x124/0x360 net/core/sock.c:2274
 release_sock+0xa4/0x2a0 net/core/sock.c:2789
 tcp_close+0x57c/0xfc0 net/ipv4/tcp.c:2245
 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:432
 sock_release+0x8d/0x1e0 net/socket.c:595
 sock_close+0x16/0x20 net/socket.c:1123
 __fput+0x327/0x7e0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ad0 kernel/exit.c:865
 do_group_exit+0x149/0x400 kernel/exit.c:968
 SYSC_exit_group kernel/exit.c:979 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:977
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x452e99
RSP: 002b:0000000000a2fa08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000071bec8 RCX: 0000000000452e99
RDX: 0000000000000000 RSI: 0000000000720b20 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000044b5
R10: 000000000000000c R11: 0000000000000202 R12: 0000000000a2f9b0
R13: 000000000071bea0 R14: 00000000000004df R15: 000000000000000c
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..