TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
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kernel BUG at arch/x86/kvm/x86.c:357!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7357 Comm: syz-executor2 Not tainted 4.20.0+ #6
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357
Code: e8 cc b5 75 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 a7 b5 75 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54
RSP: 0018:ffff8880ae607c78 EFLAGS: 00010006
RAX: ffff888080a4c240 RBX: ffff88808a60b810 RCX: ffffffff8139caba
RDX: 0000000000010000 RSI: ffffffff810bdb99 RDI: 0000000000000007
RBP: ffff8880ae607c78 R08: ffff888080a4c240 R09: ffffed1015cc5ba9
R10: ffffed1015cc5ba8 R11: ffff8880ae62dd47 R12: 1ffff11015cc0f94
R13: ffff8880ae607cc0 R14: ffff8880ae607d20 R15: ffff8880850a3000
FS:  000000000292c940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880ae607cc0 CR3: 000000005642a000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 vmcs_clear arch/x86/kvm/vmx/ops.h:185 [inline]
 loaded_vmcs_init+0xcb/0x320 arch/x86/kvm/vmx/vmx.c:565
 __loaded_vmcs_clear+0x2c1/0x520 arch/x86/kvm/vmx/vmx.c:632
 flush_smp_call_function_queue+0x1bb/0x640 kernel/smp.c:243
 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192
 smp_call_function_single_interrupt+0x117/0x640 arch/x86/kernel/smp.c:296
 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x54/0x90 kernel/locking/spinlock.c:192
Code: c0 40 4f 92 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 85 5b 9f 01 00 74 20 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 82 c3 64 f9 65 8b 05 fb f9 0e 78 85 c0 74 06 41
RSP: 0018:ffff88802cd7f3d8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04
RAX: 1ffffffff13249e8 RBX: 1ffff110059afe84 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff888080a4cabc
RBP: ffff88802cd7f3e0 R08: ffff888080a4c240 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae62ce00
R13: ffff88808e88c0c0 R14: 0000000000000000 R15: ffff88802cd7f4a0
 finish_lock_switch kernel/sched/core.c:2581 [inline]
 finish_task_switch+0x1e9/0xac0 kernel/sched/core.c:2681
 context_switch kernel/sched/core.c:2834 [inline]
 __schedule+0x89f/0x1e90 kernel/sched/core.c:3472
 schedule+0xfe/0x350 kernel/sched/core.c:3516
 freezable_schedule include/linux/freezer.h:172 [inline]
 futex_wait_queue_me+0x3d7/0x810 kernel/futex.c:2590
 futex_wait+0x366/0xa40 kernel/futex.c:2705
 do_futex+0x1a8/0x2910 kernel/futex.c:3588
 __do_sys_futex kernel/futex.c:3649 [inline]
 __se_sys_futex kernel/futex.c:3617 [inline]
 __x64_sys_futex+0x459/0x670 kernel/futex.c:3617
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffd28613738 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000000000002d RCX: 0000000000457ec9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073c04c
RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffd28613800 R11: 0000000000000246 R12: 00000000000003e8
R13: 00000000001cdc56 R14: 00000000001cdc29 R15: 000000000073c04c
Modules linked in:
---[ end trace 60ec1c74ab94d57e ]---
RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357
Code: e8 cc b5 75 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 a7 b5 75 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54
RSP: 0018:ffff8880ae607c78 EFLAGS: 00010006
RAX: ffff888080a4c240 RBX: ffff88808a60b810 RCX: ffffffff8139caba
RDX: 0000000000010000 RSI: ffffffff810bdb99 RDI: 0000000000000007
RBP: ffff8880ae607c78 R08: ffff888080a4c240 R09: ffffed1015cc5ba9
R10: ffffed1015cc5ba8 R11: ffff8880ae62dd47 R12: 1ffff11015cc0f94
R13: ffff8880ae607cc0 R14: ffff8880ae607d20 R15: ffff8880850a3000
FS:  000000000292c940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880ae607cc0 CR3: 000000005642a000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400