From: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu, 23 Oct 2014 12:54:14 +0000 (+0200)
Subject: KVM: emulate: avoid accessing NULL ctxt->memopp
X-Git-Tag: fixes-against-v3.18-rc2~9^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a430c9166312e1aa3d80bce32374233bdbfeba32;p=pandora-kernel.git

KVM: emulate: avoid accessing NULL ctxt->memopp

A failure to decode the instruction can cause a NULL pointer access.
This is fixed simply by moving the "done" label as close as possible
to the return.

This fixes CVE-2014-8481.

Reported-by: Andy Lutomirski <luto@amacapital.net>
Cc: stable@vger.kernel.org
Fixes: 41061cdb98a0bec464278b4db8e894a3121671f5
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

Reading git-diff-tree failed