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avcodec/ra288: Check block_align for the assumed value

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Fixes: Timeout (224sec -> 1ms)
Fixes: 18408/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_288_fuzzer-5740382570151936

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 2019-10-29 18:46:34 +01:00
parent c8c17b8cef
commit b6abdb1faf
1 changed files with 1 additions and 1 deletions
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2
libavcodec/ra288.c
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@ -77,7 +77,7 @@ static av_cold int ra288_decode_init(AVCodecContext *avctx)
avctx->channel_layout = AV_CH_LAYOUT_MONO;
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
if (avctx->block_align <= 0) {
if (avctx->block_align != 38) {
av_log(avctx, AV_LOG_ERROR, "unsupported block align\n");
return AVERROR_PATCHWELCOME;
}