[FFmpeg-cvslog] avfilter/af_stereotools: check s->length size

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sat Dec  5 16:08:29 2015 +0100| [a525b844d9e454e42c762f8030c23bf56d8ec49c] | committer: Paul B Mahol

avfilter/af_stereotools: check s->length size

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a525b844d9e454e42c762f8030c23bf56d8ec49c
---

 libavfilter/af_stereotools.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavfilter/af_stereotools.c b/libavfilter/af_stereotools.c
index 3c796f5..00a0dde 100644
--- a/libavfilter/af_stereotools.c
+++ b/libavfilter/af_stereotools.c
@@ -110,6 +110,10 @@ static int config_input(AVFilterLink *inlink)
     StereoToolsContext *s = ctx->priv;
 
     s->length = 2 * inlink->sample_rate * 0.05;
+    if (s->length <= 1 && s->length & 1) {
+        av_log(ctx, AV_LOG_ERROR, "sample rate is too small\n");
+        return AVERROR(EINVAL);
+    }
     s->buffer = av_calloc(s->length, sizeof(*s->buffer));
     if (!s->buffer)
         return AVERROR(ENOMEM);