------------[ cut here ]------------
WARNING: CPU: 0 PID: 7103 at net/core/stream.c:205 sk_stream_kill_queues+0x37b/0x4e0 net/core/stream.c:205
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7103 Comm: syz-executor4 Not tainted 4.12.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x145/0x1f1 lib/dump_stack.c:52
 panic+0x1b6/0x358 kernel/panic.c:180
 __warn+0x18d/0x1b0 kernel/panic.c:541
 report_bug+0x1a4/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:190 [inline]
 do_trap_no_signal arch/x86/kernel/traps.c:224 [inline]
 do_trap+0x1d9/0x3e0 arch/x86/kernel/traps.c:273
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:310
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:323
 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:844
RIP: 0010:sk_stream_kill_queues+0x37b/0x4e0 net/core/stream.c:205
RSP: 0018:ffff8801ca1d6f90 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff8801c6a83130 RCX: 0000000000000020
RDX: 1ffff10038d5062f RSI: 0000000000000813 RDI: ffff8801c6a83178
RBP: ffff8801ca1d6fd0 R08: 1ffff1003943ad5e R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c6a82f40
R13: ffffffff8a219aa0 R14: 0000000000000007 R15: ffff8801c6a83078
 inet_csk_destroy_sock+0x155/0x390 net/ipv4/inet_connection_sock.c:835
 tcp_close+0x7e6/0xec0 net/ipv4/tcp.c:2272
 tls_sk_proto_close+0x510/0x8d0 net/tls/tls_main.c:243
 inet_release+0xd9/0x1c0 net/ipv4/af_inet.c:425
 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:432
 sock_release+0x83/0x1b0 net/socket.c:597
 sock_close+0xd/0x20 net/socket.c:1113
 __fput+0x310/0x880 fs/file_table.c:209
 ____fput+0x9/0x10 fs/file_table.c:245
 task_work_run+0x140/0x230 kernel/task_work.c:116
 exit_task_work include/linux/task_work.h:21 [inline]
 do_exit+0x981/0x1920 kernel/exit.c:878
 do_group_exit+0x135/0x3c0 kernel/exit.c:982
 get_signal+0x74f/0x1670 kernel/signal.c:2318
 do_signal+0x90/0x1eb0 arch/x86/kernel/signal.c:808
 exit_to_usermode_loop+0x1c7/0x2a0 arch/x86/entry/common.c:157
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath+0x344/0x3f0 arch/x86/entry/common.c:263
 entry_SYSCALL_64_fastpath+0xc0/0xc2
RIP: 0033:0x455c79
RSP: 002b:00007fa7a121dce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072c0d8 RCX: 0000000000455c79
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072c0d8
RBP: 000000000072c0d8 R08: 0000000000000000 R09: 000000000072c0b0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe69b9348f R14: 00007fa7a121e9c0 R15: 0000000000000003
Kernel Offset: disabled
Rebooting in 86400 seconds..