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malloc-fail: Fix memory leak in xmlCopyPropList

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Found with libFuzzer, see #344.
This commit is contained in:
Nick Wellnhofer
2023-02-16 11:45:58 +01:00
parent 8d22e06588
commit bc7740b3c3
1 changed files with 3 additions and 1 deletions
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4
tree.c
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@@ -4231,8 +4231,10 @@ xmlCopyPropList(xmlNodePtr target, xmlAttrPtr cur) {
return(NULL); return(NULL);
while (cur != NULL) { while (cur != NULL) {
q = xmlCopyProp(target, cur); q = xmlCopyProp(target, cur);
if (q == NULL) if (q == NULL) {
xmlFreePropList(ret);
return(NULL); return(NULL);
}
if (p == NULL) { if (p == NULL) {
ret = p = q; ret = p = q;
} else { } else {