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authorMichael Niedermayer <michaelni@gmx.at>2012-03-16 05:28:18 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-03-16 05:28:18 +0100
commitd9fe6b926cd619c311e45e0ae352cf09713c482c (patch)
treefd3226948324d2851f52c520283d1a1790bcbc63 /libavformat
parentb89f94077d85c33cac4a99ccfb024bbb284a8bab (diff)
matroskadec: Fix null pointer exception on corrupted input.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/matroskadec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index d3f6a3ed7c..dbe2815a9c 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1377,7 +1377,7 @@ static int matroska_read_header(AVFormatContext *s)
/* First read the EBML header. */
if (ebml_parse(matroska, ebml_syntax, &ebml)
|| ebml.version > EBML_VERSION || ebml.max_size > sizeof(uint64_t)
- || ebml.id_length > sizeof(uint32_t) || ebml.doctype_version > 3) {
+ || ebml.id_length > sizeof(uint32_t) || ebml.doctype_version > 3 || !ebml.doctype) {
av_log(matroska->ctx, AV_LOG_ERROR,
"EBML header using unsupported features\n"
"(EBML version %"PRIu64", doctype %s, doc version %"PRIu64")\n",