diff options
| -rw-r--r-- | tools/libxc/xc_dom.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/libxc/xc_dom.h b/tools/libxc/xc_dom.h index 9dffbe6c1c..316e2ae765 100644 --- a/tools/libxc/xc_dom.h +++ b/tools/libxc/xc_dom.h @@ -315,6 +315,8 @@ static inline xen_pfn_t xc_dom_p2m_host(struct xc_dom_image *dom, xen_pfn_t pfn) { if (dom->shadow_enabled) return pfn; + if (pfn >= dom->total_pages) + return INVALID_MFN; return dom->p2m_host[pfn]; } @@ -323,6 +325,8 @@ static inline xen_pfn_t xc_dom_p2m_guest(struct xc_dom_image *dom, { if (xc_dom_feature_translated(dom)) return pfn; + if (pfn >= dom->total_pages) + return INVALID_MFN; return dom->p2m_host[pfn]; } |