https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8841

diff --git a/MagickCore/draw.c b/MagickCore/draw.c
index 4d7b849d5abef03f9532c50ba8182feb56df85fa..d3f9f9984423ab88a43f3912970a043101ea178a 100644 (file)
--- a/MagickCore/draw.c
+++ b/MagickCore/draw.c
@@ -2227,8 +2227,8 @@ static MagickBooleanType CheckPrimitiveExtent(MVGInfo *mvg_info,
     ResourceLimitError,"MemoryAllocationFailed","`%s'","");
   *mvg_info->primitive_info=AcquireCriticalMemory(
     sizeof(**mvg_info->primitive_info));
+  (void) memset(*mvg_info->primitive_info,0,sizeof(**mvg_info->primitive_info));
   *mvg_info->extent=1;
-  mvg_info->offset=0;
   return(MagickFalse);
 }