Handle null pointer return from call to xmlCreatePushParserCtxt (#2624).
diff --git a/coders/svg.c b/coders/svg.c
index fab0120..c7011c1 100644
--- a/coders/svg.c
+++ b/coders/svg.c
@@ -3605,16 +3605,26 @@
{
svg_info->parser=xmlCreatePushParserCtxt(sax_handler,svg_info,(char *)
message,n,image->filename);
- option=GetImageOption(image_info,"svg:xml-parse-huge");
- if ((option != (char *) NULL) && (IsStringTrue(option) != MagickFalse))
- (void) xmlCtxtUseOptions(svg_info->parser,XML_PARSE_HUGE);
- while ((n=ReadBlob(image,MagickPathExtent-1,message)) != 0)
- {
- message[n]='\0';
- status=xmlParseChunk(svg_info->parser,(char *) message,(int) n,0);
- if (status != 0)
- break;
- }
+ if (svg_info->parser != (xmlParserCtxtPtr) NULL)
+ {
+ option=GetImageOption(image_info,"svg:xml-parse-huge");
+ if ((option != (char *) NULL) && (IsStringTrue(option) != MagickFalse))
+ (void) xmlCtxtUseOptions(svg_info->parser,XML_PARSE_HUGE);
+ while ((n=ReadBlob(image,MagickPathExtent-1,message)) != 0)
+ {
+ message[n]='\0';
+ status=xmlParseChunk(svg_info->parser,(char *) message,(int) n,0);
+ if (status != 0)
+ break;
+ }
+ }
+ }
+ if (svg_info->parser == (xmlParserCtxtPtr) NULL)
+ {
+ svg_info=DestroySVGInfo(svg_info);
+ (void) RelinquishUniqueFileResource(filename);
+ image=DestroyImage(image);
+ return((Image *) NULL);
}
(void) xmlParseChunk(svg_info->parser,(char *) message,0,1);
SVGEndDocument(svg_info);
