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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 <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-08-13 23:41:20 +02:00
parent 58a8e739ef
commit 8ab944c4c3
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1 changed files with 2 additions and 0 deletions
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libavcodec/4xm.c
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@ -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;