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Date: Thu, 7 Aug 2025 22:51:34 +0200
From: Nicolas George <george@nsup.org>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Message-ID: <aJUR1r13NUdBcf6p@phare.normalesup.org>
References: <20250807191852.20588-1-jiashengjiangcool@gmail.com>
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 (nef.ens.fr [129.199.96.32]); Thu, 07 Aug 2025 22:51:35 +0200 (CEST)
Subject: Re: [FFmpeg-devel] [PATCH] libavformat/whip: Add av_freep() to
 avoid potential memory leak
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Jiasheng Jiang (HE12025-08-07):
> Add av_freep() if avio_alloc_context() fails to avoid potential memory leak.
> 
> Fixes: 167e343bbe ("avformat/whip: Add WHIP muxer support for subsecond latency streaming")
> Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
> ---
>  libavformat/whip.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/libavformat/whip.c b/libavformat/whip.c
> index 256ea14d2c..82a5a51029 100644
> --- a/libavformat/whip.c
> +++ b/libavformat/whip.c
> @@ -1553,6 +1553,7 @@ static int create_rtp_muxer(AVFormatContext *s)
>  
>          rtp_ctx->pb = avio_alloc_context(buffer, buffer_size, 1, s, NULL, on_rtp_write_packet, NULL);
>          if (!rtp_ctx->pb) {

> +            av_freep(&buffer);
>              ret = AVERROR(ENOMEM);
>              goto end;

That belong to after end, otherwise you need to make the change
everywhere.

>          }

Regards,

-- 
  Nicolas George
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