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avcodec/argo: Check for even dimensions

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Fixes: reading over the end
Fixes: 36346/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARGO_fuzzer-5366943107383296

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 2021-07-31 12:41:34 +02:00
parent 2063745a93
commit c2f5e9ff3c
1 changed files with 5 additions and 0 deletions
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5
libavcodec/argo.c
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@ -684,6 +684,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
return AVERROR_PATCHWELCOME;
}
if (avctx->width % 2 || avctx->height % 2) {
avpriv_request_sample(s, "Odd dimensions\n");
return AVERROR_PATCHWELCOME;
}
s->frame = av_frame_alloc();
if (!s->frame)
return AVERROR(ENOMEM);