On Sun, Feb 09, 2020 at 01:31:58PM +0100, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From fe6ed369fca98e99df55c932b85782a5687526b5 Mon Sep 17 00:00:00 2001 From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Date: Tue, 10 Dec 2019 15:24:32 -0800 Subject: [PATCH] KVM: VMX: Add non-canonical check on writes to RTIT address MSRs Reject writes to RTIT address MSRs if the data being written is a non-canonical address as the MSRs are subject to canonical checks, e.g. KVM will trigger an unchecked #GP when loading the values to hardware during pt_guest_enter(). Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
File/code movement. Cleaned up and queued for 4.19-4.4. -- Thanks, Sasha
