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| author | Nick Wellnhofer <wellnhofer@aevum.de> | 2023-03-16 17:50:53 +0100 |
|---|---|---|
| committer | Nick Wellnhofer <wellnhofer@aevum.de> | 2023-03-16 17:52:20 +0100 |
| commit | c401ed2166493eeaf5d00dc47fe139a6f47fd5cf (patch) | |
| tree | d699a4ca4496e742716c18c6bad013cfa3e86d5b | |
| parent | 5d452a61d3580054c45501f761f233d34b8a29d3 (diff) | |
| download | libxslt-c401ed2166493eeaf5d00dc47fe139a6f47fd5cf.tar.gz | |
transform: Avoid null deref on documents without root node
Documents should always have a root node, but we shouldn't segfault if
it's missing.
Found by OSS-Fuzz.
| -rw-r--r-- | libxslt/transform.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libxslt/transform.c b/libxslt/transform.c index d7992605..0fc0400c 100644 --- a/libxslt/transform.c +++ b/libxslt/transform.c @@ -5767,6 +5767,8 @@ xsltCleanupSourceDoc(xmlDocPtr doc) { if (cur->children != NULL && cur->type != XML_ENTITY_REF_NODE) { cur = cur->children; } else { + if (cur == (xmlNodePtr) doc) + return; while (cur->next == NULL) { cur = cur->parent; if (cur == (xmlNodePtr) doc) |