WARNING: CPU: 0 PID: 12449 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: 12449 Comm: syz-executor0 Not tainted 4.15.0-rc8+ #195
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:ffff8801d402f0a8 EFLAGS: 00010293
RAX: ffff8801adfd6380 RBX: ffff8801c7ade140 RCX: ffffffff84356225
RDX: 0000000000000000 RSI: 1ffff1003a805dfc RDI: ffff8801c7ade378
sctp: [Deprecated]: syz-executor7 (pid 12472) Use of struct sctp_assoc_value in delayed_ack socket option.
Use struct sctp_sack_info instead
RBP: ffff8801d402f0e8 R08: 1ffff1003a805d97 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000b00
R13: ffff8801c7ade330 R14: ffffffff888cafa0 R15: ffff8801c7ade278
sctp: [Deprecated]: syz-executor7 (pid 12472) Use of struct sctp_assoc_value in delayed_ack socket option.
Use struct sctp_sack_info instead
 inet_csk_destroy_sock+0x175/0x3f0 net/ipv4/inet_connection_sock.c:834
 tcp_close+0x8ad/0xfc0 net/ipv4/tcp.c:2312
 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
 get_signal+0x73f/0x16c0 kernel/signal.c:2335
 do_signal+0x90/0x1eb0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264
 entry_SYSCALL_64_fastpath+0x9e/0xa0
RIP: 0033:0x452e39
RSP: 002b:00007f82ef48ace8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000071c038 RCX: 0000000000452e39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000071c038
RBP: 000000000071c038 R08: 00000000000003bb R09: 000000000071c010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a2f7ef R14: 00007f82ef48b9c0 R15: 0000000000000006
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..