From ae21776207e8a2bbe268e7c9e203f7599dd87ddb Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Tue, 27 Dec 2011 15:15:02 +0100 Subject: [PATCH] lavfi: add missing check in avfilter_filter_samples() Avoid out-of-buffer data access when nb_channels is 8. --- libavfilter/avfilter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c index b4c9fa6593..97f78e4629 100644 --- a/libavfilter/avfilter.c +++ b/libavfilter/avfilter.c @@ -678,7 +678,7 @@ void avfilter_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref) link->cur_buf->audio->sample_rate = samplesref->audio->sample_rate; /* Copy actual data into new samples buffer */ - for (i = 0; samplesref->data[i]; i++) + for (i = 0; samplesref->data[i] && i < 8; i++) memcpy(link->cur_buf->data[i], samplesref->data[i], samplesref->linesize[0]); avfilter_unref_buffer(samplesref);