WARNING: CPU: 1 PID: 21916 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: 1 PID: 21916 Comm: syz-executor2 Not tainted 4.15.0+ #293
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
*** Guest State ***
 report_bug+0x211/0x2d0 lib/bug.c:184
CR0: actual=0x0000000000000020, shadow=0x0000000000000000, gh_mask=fffffffffffffff7
 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
CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1097
RIP: 0010:sk_stream_kill_queues+0x3c5/0x520 net/core/stream.c:206
RSP = 0x0000000000000000  RIP = 0x000000000000fff0
RSP: 0018:ffff8801aa5aec98 EFLAGS: 00010293
RAX: ffff8801cef2e000 RBX: ffff8801b754a0c0 RCX: ffffffff843a66b5
RDX: 0000000000000000 RSI: ffffffff86b42340 RDI: ffff8801b754a2f8
RBP: ffff8801aa5aecd8 R08: 1ffff100354b5d22 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000b00
R13: ffff8801b754a2b0 R14: ffffffff88b06be0 R15: ffff8801b754a1f8
RFLAGS=0x00010002         DR7 = 0x0000000000000400
Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000
 inet_csk_destroy_sock+0x175/0x3f0 net/ipv4/inet_connection_sock.c:834
 tcp_done+0x1e9/0x240 net/ipv4/tcp.c:3526
CS:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
 tcp_time_wait+0x60b/0xa60 net/ipv4/tcp_minisocks.c:333
 tcp_rcv_state_process+0x34b0/0x4840 net/ipv4/tcp_input.c:6011
DS:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
SS:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
ES:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
FS:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
 tcp_v6_do_rcv+0x739/0x1250 net/ipv6/tcp_ipv6.c:1330
GS:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
 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
GDTR:                           limit=0x00000000, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
 tcp_close+0x5fb/0x1190 net/ipv4/tcp.c:2269
IDTR:                           limit=0x00000000, base=0x0000000000000000
TR:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
 tls_sk_proto_close+0x4f8/0x800 net/tls/tls_main.c:260
EFER =     0x0000000000000000  PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000  DebugExceptions = 0x0000000000000000
Interruptibility = 00000000  ActivityState = 00000000
 inet_release+0xed/0x1c0 net/ipv4/af_inet.c:427
 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:435
*** Host State ***
 sock_release+0x8d/0x1e0 net/socket.c:595
 sock_close+0x16/0x20 net/socket.c:1149
RIP = 0xffffffff811bdff4  RSP = 0xffff8801af5df508
 __fput+0x327/0x7e0 fs/file_table.c:209
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
 ____fput+0x15/0x20 fs/file_table.c:243
FSBase=00007f7585930700 GSBase=ffff8801db400000 TRBase=fffffe0000003000
 task_work_run+0x199/0x270 kernel/task_work.c:113
GDTBase=fffffe0000001000 IDTBase=fffffe0000000000
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ad0 kernel/exit.c:865
CR0=0000000080050033 CR3=00000001ce846004 CR4=00000000001626f0
Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff85a01b70
EFER = 0x0000000000000d01  PAT = 0x0000000000000000
*** Control State ***
PinBased=0000003f CPUBased=b699edfa SecondaryExec=000000c2
EntryControls=0000d1ff ExitControls=0023efff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=80000306 errcode=00000000 ilen=00000000
 do_group_exit+0x149/0x400 kernel/exit.c:968
VMExit: intr_info=00000000 errcode=00000000 ilen=00000003
        reason=80000021 qualification=0000000000000000
 get_signal+0x73a/0x16d0 kernel/signal.c:2469
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffb3d7653117
EPT pointer = 0x00000001d0bfd01e
 do_signal+0x90/0x1eb0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:161
 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: 0033:0x453299
RSP: 002b:00007ff5aac34ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000071bf80 RCX: 0000000000453299
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000071bf80
RBP: 000000000071bf80 R08: 0000000000000510 R09: 000000000071bf58
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a2f33f R14: 00007ff5aac359c0 R15: 0000000000000002
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..