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Fix null deref in xmlStringGetNodeList

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Check for malloc failure to avoid null deref.

Found with libFuzzer.
This commit is contained in:
Nick Wellnhofer 2020-12-18 00:55:00 +01:00
parent e2b975c317
commit 1d73f07d67
1 changed files with 4 additions and 0 deletions
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4
tree.c
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@ -1649,6 +1649,10 @@ xmlStringGetNodeList(const xmlDoc *doc, const xmlChar *value) {
if (!xmlBufIsEmpty(buf)) {
node = xmlNewDocText(doc, NULL);
if (node == NULL) {
xmlBufFree(buf);
return(NULL);
}
node->content = xmlBufDetach(buf);
if (last == NULL) {