[FFmpeg-devel] [PATCH V1 3/4] lavf/avidec: fix memory leak in error handling path

Michael Niedermayer michael at niedermayer.cc
Tue Sep 10 18:14:07 EEST 2019


On Tue, Sep 10, 2019 at 07:39:27PM +0800, Jun Zhao wrote:
> From: Jun Zhao <barryjzhao at tencent.com>
> 
> free the value in error handling path to avoid the memory leak.
> 
> Signed-off-by: Jun Zhao <barryjzhao at tencent.com>
> ---
>  libavformat/avidec.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/libavformat/avidec.c b/libavformat/avidec.c
> index df78925..e3cd844 100644
> --- a/libavformat/avidec.c
> +++ b/libavformat/avidec.c
> @@ -306,8 +306,10 @@ static int avi_read_tag(AVFormatContext *s, AVStream *st, uint32_t tag,
>      value = av_malloc(size + 1);
>      if (!value)
>          return AVERROR(ENOMEM);
> -    if (avio_read(pb, value, size) != size)
> +    if (avio_read(pb, value, size) != size) {
> +        av_freep(&value);
>          return AVERROR_INVALIDDATA;
> +    }
>      value[size] = 0;

will apply

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I am the wisest man alive, for I know one thing, and that is that I know
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