FlatGeoBuf: fix potential nullptr dereference. Fixes https://bugs.chr…

…omium.org/p/oss-fuzz/issues/detail?id=18506
rouault · Oct 24, 2019 · 9d8e1a9 · 9d8e1a9
1 parent 5dadb24
commit 9d8e1a9
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/gdal/ogr/ogrsf_frmts/flatgeobuf/ogrflatgeobuflayer.cpp b/gdal/ogr/ogrsf_frmts/flatgeobuf/ogrflatgeobuflayer.cpp
@@ -110,8 +110,11 @@ OGRFlatGeobufLayer::OGRFlatGeobufLayer(const Header *poHeader, GByte *headerBuf,
         } else if( org && code != 0 ) {
             CPLString osCode;
             osCode.Printf("%s:%d", org->c_str(), code);
-            if( m_poSRS->SetFromUserInput(osCode.c_str()) != OGRERR_NONE )
+            if( m_poSRS->SetFromUserInput(osCode.c_str()) != OGRERR_NONE &&
+                wkt != nullptr )
+            {
                 m_poSRS->importFromWkt(wkt->c_str());
+            }
         } else if (wkt) {
             m_poSRS->importFromWkt(wkt->c_str());
         }