avfilter/buffersink: don't leak the reallocated channel layouts array

And ensure the last element is the zeroed terminator. Fixes ticket #11392.

James Almer committed 1 year ago

Commit 041a6c31 parent f7900a51 file · +2 −1Browse files

Unified · Split

@@ -205,8 +205,9 @@ static av_cold int common_init(AVFilterContext *ctx) · 204 unmodified lines
205	205	if (!tmp)
206	206	return AVERROR(ENOMEM);
207	207
	208	+ buf->channel_layouts = tmp;
208	209	memset(&buf->channel_layouts[buf->nb_channel_layouts], 0,
209		− sizeof(*buf->channel_layouts));
	210	+ sizeof(buf->channel_layouts) 2);
210	211	buf->nb_channel_layouts++;
211	212
212	213	ret = av_channel_layout_from_string(&buf->channel_layouts[buf->nb_channel_layouts - 1], cur);

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