Fixes: Timeout (12sec -> 2sec) Fixes: 14606/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CINEPAK_fuzzer-5738687561728000
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/cinepak.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c index a5132ddbc0..aeb15de0ed 100644 --- a/libavcodec/cinepak.c +++ b/libavcodec/cinepak.c @@ -323,6 +323,9 @@ static int cinepak_predecode_check (CinepakContext *s) num_strips = AV_RB16 (&s->data[8]); encoded_buf_size = AV_RB24(&s->data[1]); + if (s->size < encoded_buf_size * (int64_t)(100 - s->avctx->discard_damaged_percentage) / 100) + return AVERROR_INVALIDDATA; + /* if this is the first frame, check for deviant Sega FILM data */ if (s->sega_film_skip_bytes == -1) { if (!encoded_buf_size) { -- 2.21.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
