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

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And ensure the last element is the zeroed terminator.

Fixes ticket #11392.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-01-01 19:39:34 -03:00
parent f7900a5609
commit 041a6c3614
1 changed files with 2 additions and 1 deletions
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3
libavfilter/buffersink.c
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@ -205,8 +205,9 @@ static av_cold int common_init(AVFilterContext *ctx)
if (!tmp)
return AVERROR(ENOMEM);
buf->channel_layouts = tmp;
memset(&buf->channel_layouts[buf->nb_channel_layouts], 0,
sizeof(*buf->channel_layouts));
sizeof(*buf->channel_layouts) * 2);
buf->nb_channel_layouts++;
ret = av_channel_layout_from_string(&buf->channel_layouts[buf->nb_channel_layouts - 1], cur);