From 8ab944c4c33e7bc2d5c0ebb62a57099817b350c2 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 13 Aug 2022 23:41:20 +0200 Subject: [PATCH] avcodec/4xm: treat AV_LOG_ERROR cases as errors Fixes: Timeout Fixes: 49504/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-570457772222054 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/4xm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c index 8941d715fa..a7c9043b0a 100644 --- a/libavcodec/4xm.c +++ b/libavcodec/4xm.c @@ -950,9 +950,11 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *picture, } else if (frame_4cc == AV_RL32("snd_")) { av_log(avctx, AV_LOG_ERROR, "ignoring snd_ chunk length:%d\n", buf_size); + return AVERROR_INVALIDDATA; } else { av_log(avctx, AV_LOG_ERROR, "ignoring unknown chunk length:%d\n", buf_size); + return AVERROR_INVALIDDATA; } picture->key_frame = picture->pict_type == AV_PICTURE_TYPE_I;