Fixes: out of array access
Fixes: tickets/10746/poc13ffmpeg
Found-by: Zeng Yunxiang
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavfilter/af_stereowiden.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavfilter/af_stereowiden.c b/libavfilter/af_stereowiden.c
index af4b23e8a57..f7a6a91ae40 100644
--- a/libavfilter/af_stereowiden.c
+++ b/libavfilter/af_stereowiden.c
@@ -74,6 +74,8 @@ static int config_input(AVFilterLink *inlink)
s->length = s->delay * inlink->sample_rate / 1000;
s->length *= 2;
+ if (s->length == 0)
+ return AVERROR(EINVAL);
s->buffer = av_calloc(s->length, sizeof(*s->buffer));
if (!s->buffer)
return AVERROR(ENOMEM);
--
2.17.1
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