avfilter/af_stereowiden: Check length

Fixes: out of array access Fixes: tickets/10746/poc13ffmpeg

Michael Niedermayer committed 2 years ago

Commit 50f0f8c1 parent ff451df1 file · +2 −0Browse files

Unified · Split

@@ -74,6 +74,8 @@ static int config_input(AVFilterLink *inlink) · 73 unmodified lines
74	74
75	75	s->length = lrintf(s->delay * inlink->sample_rate / 1000);
76	76	s->length *= 2;
	77	+ if (s->length == 0)
	78	+ return AVERROR(EINVAL);
77	79	s->buffer = av_calloc(s->length, sizeof(*s->buffer));
78	80	if (!s->buffer)
79	81	return AVERROR(ENOMEM);

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