lavf: avformat_seek_file(): validate stream_index.

0d09aa9d · Nicolas George · de1568a4 · 0d09aa9d
Commit 0d09aa9d authored Mar 20, 2013 by Nicolas George
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utils.c libavformat/utils.c +2 -0

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--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2137,6 +2137,8 @@ int avformat_seek_file(AVFormatContext *s, int stream_index, int64_t min_ts, int
 {
    if(min_ts > ts || max_ts < ts)
        return -1;
+    if (stream_index < -1 || stream_index >= (int)s->nb_streams)
+        return AVERROR(EINVAL);

    if(s->seek2any>0)
        flags |= AVSEEK_FLAG_ANY;