Fixes: Timeout Fixes: 9795/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XBIN_fuzzer-5768631928487936
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/bintext.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/bintext.c b/libavcodec/bintext.c index d967317671..b14a2a9c29 100644 --- a/libavcodec/bintext.c +++ b/libavcodec/bintext.c @@ -146,6 +146,9 @@ static int decode_frame(AVCodecContext *avctx, const uint8_t *buf_end = buf+buf_size; int ret; + if ((avctx->width / FONT_WIDTH) * (avctx->height / s->font_height) / 256 > buf_size) + return AVERROR_INVALIDDATA; + s->x = s->y = 0; if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) return ret; -- 2.18.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
