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

Showing the changes to libavfilter/avfilter.c (1 of 1 file). Show all

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@@ -678,7 +678,7 @@ void avfilter_filter_samples(AVFilterLink link, AVFilterBufferRef samplesref) · 677 unmodified lines
678	678	link->cur_buf->audio->sample_rate = samplesref->audio->sample_rate;
679	679
680	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	682	memcpy(link->cur_buf->data[i], samplesref->data[i], samplesref->linesize[0]);
683	683
684	684	avfilter_unref_buffer(samplesref);

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