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Handle malloc failures in fuzzing code

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Avoid misdiagnosis in OOM situations.
This commit is contained in:
Nick Wellnhofer
2020-12-18 00:50:34 +01:00
parent a67b63d183
commit e2b975c317
2 changed files with 15 additions and 11 deletions
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6
fuzz/fuzz.c
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@@ -211,6 +211,8 @@ xmlFuzzReadEntities(void) {
if (xmlHashLookup(fuzzData.entities, (xmlChar *)url) == NULL) {
entityInfo = xmlMalloc(sizeof(xmlFuzzEntityInfo));
if (entityInfo == NULL)
break;
entityInfo->data = entity;
entityInfo->size = entitySize;
@@ -271,6 +273,10 @@ xmlFuzzEntityLoader(const char *URL, const char *ID ATTRIBUTE_UNUSED,
input->filename = NULL;
input->buf = xmlParserInputBufferCreateMem(entity->data, entity->size,
XML_CHAR_ENCODING_NONE);
if (input->buf == NULL) {
xmlFreeInputStream(input);
return(NULL);
}
input->base = input->cur = xmlBufContent(input->buf->buffer);
input->end = input->base + entity->size;