commit | b86bc2858b389255cd44555ce4b1e427b2b770c0 | [log] [tgz] |
---|---|---|
author | David Rientjes <rientjes@google.com> | Mon Mar 25 11:47:31 2019 -0700 |
committer | Paolo Bonzini <pbonzini@redhat.com> | Fri Apr 05 20:49:42 2019 +0200 |
tree | 0744c853c7f9e063f9349963b306eb0bef0d72a4 | |
parent | ede885ecb2cdf8a8dd5367702e3d964ec846a2d5 [diff] |
KVM: SVM: prevent DBG_DECRYPT and DBG_ENCRYPT overflow This ensures that the address and length provided to DBG_DECRYPT and DBG_ENCRYPT do not cause an overflow. At the same time, pass the actual number of pages pinned in memory to sev_unpin_memory() as a cleanup. Reported-by: Cfir Cohen <cfir@google.com> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>