Fixes: Timeout Fixes: 48619/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_fuzzer-5793597923917824
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/ffv1dec.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 7731c15c87..01ddcaa512 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -879,6 +879,14 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *rframe, p->key_frame = 0; } + if (f->ac != AC_GOLOMB_RICE) { + if (buf_size < avctx->width * avctx->height / (128*8)) + return AVERROR_INVALIDDATA; + } else { + if (buf_size < avctx->height / 8) + return AVERROR_INVALIDDATA; + } + ret = ff_thread_get_ext_buffer(avctx, &f->picture, AV_GET_BUFFER_FLAG_REF); if (ret < 0) return ret; -- 2.17.1 _______________________________________________ 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".
