Re: [PATCH] KVM: X86: Fix host dr6 miss restore

2017-12-12 Thread Wanpeng Li
2017-12-12 23:08 GMT+08:00 Paolo Bonzini : > On 10/12/2017 01:44, Wanpeng Li wrote: >> 2017-12-08 20:39 GMT+08:00 David Hildenbrand : >>> On 08.12.2017 10:12, Wanpeng Li wrote: From: Wanpeng Li Reported by syzkaller: WARNING: CPU: 0 PID: 12927 at arch/x86/kernel/traps.c

Re: [PATCH] KVM: X86: Fix host dr6 miss restore

2017-12-12 Thread Paolo Bonzini
On 10/12/2017 01:44, Wanpeng Li wrote: > 2017-12-08 20:39 GMT+08:00 David Hildenbrand : >> On 08.12.2017 10:12, Wanpeng Li wrote: >>> From: Wanpeng Li >>> >>> Reported by syzkaller: >>> >>>WARNING: CPU: 0 PID: 12927 at arch/x86/kernel/traps.c:780 >>> do_debug+0x222/0x250 >>>CPU: 0 PID: 12

Re: [PATCH] KVM: X86: Fix host dr6 miss restore

2017-12-11 Thread David Hildenbrand
On 10.12.2017 01:44, Wanpeng Li wrote: > 2017-12-08 20:39 GMT+08:00 David Hildenbrand : >> On 08.12.2017 10:12, Wanpeng Li wrote: >>> From: Wanpeng Li >>> >>> Reported by syzkaller: >>> >>>WARNING: CPU: 0 PID: 12927 at arch/x86/kernel/traps.c:780 >>> do_debug+0x222/0x250 >>>CPU: 0 PID: 12

Re: [PATCH] KVM: X86: Fix host dr6 miss restore

2017-12-09 Thread Wanpeng Li
2017-12-08 20:39 GMT+08:00 David Hildenbrand : > On 08.12.2017 10:12, Wanpeng Li wrote: >> From: Wanpeng Li >> >> Reported by syzkaller: >> >>WARNING: CPU: 0 PID: 12927 at arch/x86/kernel/traps.c:780 >> do_debug+0x222/0x250 >>CPU: 0 PID: 12927 Comm: syz-executor Tainted: G OE

Re: [PATCH] KVM: X86: Fix host dr6 miss restore

2017-12-08 Thread David Hildenbrand
On 08.12.2017 10:12, Wanpeng Li wrote: > From: Wanpeng Li > > Reported by syzkaller: > >WARNING: CPU: 0 PID: 12927 at arch/x86/kernel/traps.c:780 > do_debug+0x222/0x250 >CPU: 0 PID: 12927 Comm: syz-executor Tainted: G OE > 4.15.0-rc2+ #16 >RIP: 0010:do_debug+0x222/0x25

[PATCH] KVM: X86: Fix host dr6 miss restore

2017-12-08 Thread Wanpeng Li
From: Wanpeng Li Reported by syzkaller: WARNING: CPU: 0 PID: 12927 at arch/x86/kernel/traps.c:780 do_debug+0x222/0x250 CPU: 0 PID: 12927 Comm: syz-executor Tainted: G OE4.15.0-rc2+ #16 RIP: 0010:do_debug+0x222/0x250 Call Trace: <#DB> debug+0x3e/0x70 RIP: 00