[FFmpeg-devel] [PATCH 2/4] avformat/hlsenc: Don't use uninitialized buffer in av_stristr()

[Steven Liu]

Andreas Rheinhardt <andreas.rheinhardt at gmail.com> 于2020年10月20日周二 下午7:04写道：
>
> Introduced in a2b1dd0ce301450a47c972745a6b33c4c273aa5d.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> ---
>  libavformat/hlsenc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index 49c4ab5966..22077073bd 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -380,7 +380,8 @@ static void write_codec_attr(AVStream *st, VariantStream *vs)
>              profile != FF_PROFILE_UNKNOWN &&
>              level != FF_LEVEL_UNKNOWN) {
>              snprintf(attr, sizeof(attr), "%s.%d.4.L%d.B01", av_fourcc2str(st->codecpar->codec_tag), profile, level);
> -        }
> +        } else
> +            goto fail;
>      } else if (st->codecpar->codec_id == AV_CODEC_ID_MP2) {
>          snprintf(attr, sizeof(attr), "mp4a.40.33");
>      } else if (st->codecpar->codec_id == AV_CODEC_ID_MP3) {
> --
> 2.25.1
>
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lgtm

Thanks
Steven