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malloc-fail: Fix null deref in exsltFuncShutdown

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Found with libFuzzer, see #84.
This commit is contained in:
Nick Wellnhofer
2023-02-26 16:53:25 +01:00
parent 0c1f04f036
commit 293067bc3e
1 changed files with 5 additions and 3 deletions
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8
libexslt/functions.c
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@@ -185,9 +185,11 @@ exsltFuncShutdown (xsltTransformContextPtr ctxt ATTRIBUTE_UNUSED,
void *vdata) { void *vdata) {
exsltFuncData *data = (exsltFuncData *) vdata; exsltFuncData *data = (exsltFuncData *) vdata;
if (data->result != NULL) if (data != NULL) {
xmlXPathFreeObject(data->result); if (data->result != NULL)
xmlFree(data); xmlXPathFreeObject(data->result);
xmlFree(data);
}
} }
/** /**