> From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of Anton
> Khirnov
> Sent: 2023年3月10日 21:46
> To: ffmpeg-devel@ffmpeg.org
> Subject: [FFmpeg-devel] [PATCH] fftools/ffmpeg_mux_init: avoid invalid reads
> in forced keyframe parsing
>
> Fixes #10243
> ---
> fftools/ffmpeg_mux_init.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
> index b3cc502fdd..09d24ba8e5 100644
> --- a/fftools/ffmpeg_mux_init.c
> +++ b/fftools/ffmpeg_mux_init.c
> @@ -2063,7 +2063,7 @@ static void parse_forced_key_frames(KeyframeForceCtx
> *kf, const Muxer *mux,
> if (next)
> *next++ = 0;
>
> - if (!memcmp(p, "chapters", 8)) {
> + if (strstr(p, "chapters") == p) {
Does strncmp() more efficient in this case?
> AVChapter * const *ch = mux->fc->chapters;
> unsigned int nb_ch = mux->fc->nb_chapters;
> int j;
> --
> 2.39.1
>
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