lavfi: add missing check in avfilter_filter_samples()

Avoid out-of-buffer data access when nb_channels is 8.

Stefano Sabatini committed 14 years ago

Commit ae217761 parent e9af7321 file · +1 −1Browse files

Unified · Split

libavfilter/avfilter.c+1−1

@@ -678,7 +678,7 @@ void avfilter_filter_samples(AVFilterLink link, AVFilterBufferRef samplesref) · 677 unmodified lines
678	link->cur_buf->audio->sample_rate = samplesref->audio->sample_rate;	678	link->cur_buf->audio->sample_rate = samplesref->audio->sample_rate;
679		679
680	/* Copy actual data into new samples buffer */	680	/* Copy actual data into new samples buffer */
681	for (i = 0; samplesref->data[i]; i++)	681	for (i = 0; samplesref->data[i] && i < 8; i++)
682	memcpy(link->cur_buf->data[i], samplesref->data[i], samplesref->linesize[0]);	682	memcpy(link->cur_buf->data[i], samplesref->data[i], samplesref->linesize[0]);
683		683
684	avfilter_unref_buffer(samplesref);	684	avfilter_unref_buffer(samplesref);