Fixes: Timeout Fixes: 8776/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-5361788798369792
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/indeo4.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index 7dff9db877..15ad6f8afc 100644 --- a/libavcodec/indeo4.c +++ b/libavcodec/indeo4.c @@ -492,6 +492,11 @@ static int decode_mb_info(IVI45DecContext *ctx, IVIBandDesc *band, mb->b_mv_x = mb->b_mv_y = 0; + if (get_bits_left(&ctx->gb) < 1) { + av_log(avctx, AV_LOG_ERROR, "Insufficient input for mb info\n"); + return AVERROR_INVALIDDATA; + } + if (get_bits1(&ctx->gb)) { if (ctx->frame_type == IVI4_FRAMETYPE_INTRA) { av_log(avctx, AV_LOG_ERROR, "Empty macroblock in an INTRA picture!\n"); -- 2.18.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
