Re: [PATCH v3] KVM: X86: Fix userspace set invalid CR4

2019-09-26 Thread Paolo Bonzini
On 18/09/19 11:50, Wanpeng Li wrote: > From: Wanpeng Li > > Reported by syzkaller: > > WARNING: CPU: 0 PID: 6544 at > /home/kernel/data/kvm/arch/x86/kvm//vmx/vmx.c:4689 handle_desc+0x37/0x40 > [kvm_intel] > CPU: 0 PID: 6544 Comm: a.out Tainted: G OE 5.3.0-rc4+ #4 >

Re: [PATCH v3] KVM: X86: Fix userspace set invalid CR4

2019-09-25 Thread Sean Christopherson
On Wed, Sep 18, 2019 at 05:50:10PM +0800, Wanpeng Li wrote: > From: Wanpeng Li > > Reported by syzkaller: > > WARNING: CPU: 0 PID: 6544 at > /home/kernel/data/kvm/arch/x86/kvm//vmx/vmx.c:4689 handle_desc+0x37/0x40 > [kvm_intel] > CPU: 0 PID: 6544 Comm: a.out Tainted: G

[PATCH v3] KVM: X86: Fix userspace set invalid CR4

2019-09-18 Thread Wanpeng Li
From: Wanpeng Li Reported by syzkaller: WARNING: CPU: 0 PID: 6544 at /home/kernel/data/kvm/arch/x86/kvm//vmx/vmx.c:4689 handle_desc+0x37/0x40 [kvm_intel] CPU: 0 PID: 6544 Comm: a.out Tainted: G OE 5.3.0-rc4+ #4 RIP: 0010:handle_desc+0x37/0x40 [kvm_intel]