A negative sample rate doesn't make sense and triggers assertions in
av_rescale_rnd.
Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com>
---
libavformat/mvdec.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c
index 80ef4b1..f0a29eb 100644
--- a/libavformat/mvdec.c
+++ b/libavformat/mvdec.c
@@ -317,6 +317,10 @@ static int mv_read_header(AVFormatContext *avctx)
ast->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
ast->nb_frames = vst->nb_frames;
ast->codecpar->sample_rate = avio_rb32(pb);
+ if (ast->codecpar->sample_rate <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid sample rate %d\n",
ast->codecpar->sample_rate);
+ return AVERROR_INVALIDDATA;
+ }
avpriv_set_pts_info(ast, 33, 1, ast->codecpar->sample_rate);
if (set_channels(avctx, ast, avio_rb32(pb)) < 0)
return AVERROR_INVALIDDATA;
--
2.9.3
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