fftools/ffmpeg_mux_init: avoid invalid reads in forced keyframe parsing

Fixes #10243
This commit is contained in:
Anton Khirnov 2023-03-10 13:36:48 +01:00
parent 49b733c73c
commit 1e406692e5

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@ -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) {
AVChapter * const *ch = mux->fc->chapters;
unsigned int nb_ch = mux->fc->nb_chapters;
int j;