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author | Alex Shi <alex.shi@linaro.org> | 2016-06-24 12:18:41 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2016-06-24 12:18:41 +0800 |
commit | bbe8f0ee88a1eb4bb1e72e593b008faf387f30ac (patch) | |
tree | 83368f0950f7396944642057dd521044b696b7f5 /arch/x86/kvm/x86.c | |
parent | 1beb6ea36b283c1dc34812c6ef9bf56a1e494f8c (diff) | |
parent | d420f00c7bfb405884dd71fb7f87974f0d1be455 (diff) |
Merge tag 'v3.18.36' into linux-linaro-lsk-v3.18lsk-v3.18-16.06
This is the 3.18.36 stable release
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r-- | arch/x86/kvm/x86.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 160981f69d4f..518c7a8a3121 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3111,6 +3111,11 @@ static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu, if (dbgregs->flags) return -EINVAL; + if (dbgregs->dr6 & ~0xffffffffull) + return -EINVAL; + if (dbgregs->dr7 & ~0xffffffffull) + return -EINVAL; + memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db)); vcpu->arch.dr6 = dbgregs->dr6; kvm_update_dr6(vcpu); |