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| author | Nick Wellnhofer <wellnhofer@aevum.de> | 2020-01-25 10:49:59 +0100 |
|---|---|---|
| committer | John MacFarlane <jgm@berkeley.edu> | 2020-01-25 09:39:32 -0800 |
| commit | 1f09bfd091eeedbf4ff27e519201ee2c428710c1 (patch) | |
| tree | 824dd05984c3c81ff6f0670b7d9a6220ab066d81 | |
| parent | 242e277a661ec7e51f34dcaf86c1925d550b1498 (diff) | |
Fix null pointer deref in is_autolink
Introduced by a recent commit. Found by OSS-Fuzz.
| -rw-r--r-- | src/commonmark.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/commonmark.c b/src/commonmark.c index cc12bb4..cb926c5 100644 --- a/src/commonmark.c +++ b/src/commonmark.c @@ -146,7 +146,8 @@ static bool is_autolink(cmark_node *node) { if (strcmp((const char *)url, "mailto:") == 0) { url += 7; } - return strcmp((const char *)url, (char *)link_text->data) == 0; + return link_text->data != NULL && + strcmp((const char *)url, (char *)link_text->data) == 0; } // if node is a block node, returns node. |