Fixes: Timeout Fixes: 71324/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IMM4_fuzzer-5388489435185152
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/imm4.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/imm4.c b/libavcodec/imm4.c index a6da8fcf95b..573b6148339 100644 --- a/libavcodec/imm4.c +++ b/libavcodec/imm4.c @@ -453,6 +453,10 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, if (ret < 0) return ret; + if (((avctx->width + 15) / 16) * ((avctx->height + 15) / 16) > get_bits_left(gb)) + return AVERROR_INVALIDDATA; + + if ((ret = ff_get_buffer(avctx, frame, (frame->flags & AV_FRAME_FLAG_KEY) ? AV_GET_BUFFER_FLAG_REF : 0)) < 0) return ret; -- 2.46.1 _______________________________________________ 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".
