TPR Threshold = 0x00 EPT pointer = 0x00000001c4b6b01e TCP: request_sock_TCPv6: Possible SYN flooding on port 20009. Sending cookies. Check SNMP counters. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 24080 at arch/x86/kvm/x86.c:7265 kvm_arch_vcpu_ioctl_run+0x213/0x5c70 arch/x86/kvm/x86.c:7265 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 24080 Comm: syz-executor1 Not tainted 4.14.0-rc2+ #100 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+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:181 __warn+0x1c4/0x1d9 kernel/panic.c:542 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:261 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5c70 arch/x86/kvm/x86.c:7265 RSP: 0018:ffff8801cebc7670 EFLAGS: 00010216 RAX: 0000000000010000 RBX: ffff8801c0d3c000 RCX: ffffc9000181e000 RDX: 0000000000000048 RSI: ffffffff810e0713 RDI: ffff8801c7d31c38 RBP: ffff8801cebc7a40 R08: 1ffffffff0af694c R09: 0000000000000001 R10: 0000000000000000 R11: 1ffff10039ed32bb R12: 0000000000000000 R13: ffff8801cf698140 R14: ffff8801caaf09c0 R15: ffff8801c7d31a00 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2551 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f9d96699c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 00000000004520a9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000017 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004bb8b5 R13: 00000000ffffffff R14: 0000000000000010 R15: 0000000000000003 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled