forcepoint#47 bail when we detect the emf is broken

Change-Id: I065635393763af774b45cbba6bd85c4334383b93
Reviewed-on: https://gerrit.libreoffice.org/56456
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drawinglayer/source/tools/emfphelperdata.cxx b/drawinglayer/source/tools/emfphelperdata.cxx
index 78b76ecfe647..c529c255beb1 100644
--- a/drawinglayer/source/tools/emfphelperdata.cxx
+++ b/drawinglayer/source/tools/emfphelperdata.cxx
@@ -830,12 +830,21 @@ namespace emfplushelper
             next = rMS.Tell() + (size - 12);
 
             if (size < 12)
+            {
                 SAL_WARN("drawinglayer", "Size field is less than 12 bytes");
+                break;
+            }
             else if (size > length)
+            {
                 SAL_WARN("drawinglayer", "Size field is greater than bytes left");
+                break;
+            }
 
             if (dataSize > (size - 12))
+            {
                 SAL_WARN("drawinglayer", "DataSize field is greater than Size-12");
+                break;
+            }
 
             SAL_INFO("drawinglayer", "EMF+ record size: " << size << " type: " << emfTypeToName(type) << " flags: " << flags << " data size: " << dataSize);