lavf: avformat_seek_file(): validate stream_index.

12 years ago · 0d09aa9d8e
parent de1568a452
commit 0d09aa9d8e
1 changed files with 2 additions and 0 deletions
--- 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;