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Code Issues Releases Activity

avcodec/wavpack: Treat the first block coding too many channels as an error

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Fixes memleak
Fixes: 236/8aeebc9ca49b91bf71c114dcefac56c154a3a563

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-12-07 12:06:16 +01:00
parent 6b95da9af9
commit c188f358aa
1 changed files with 1 additions and 1 deletions
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2
libavcodec/wavpack.c
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@ -1016,7 +1016,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
if (wc->ch_offset + s->stereo >= avctx->channels) {
av_log(avctx, AV_LOG_WARNING, "Too many channels coded in a packet.\n");
return (avctx->err_recognition & AV_EF_EXPLODE) ? AVERROR_INVALIDDATA : 0;
return ((avctx->err_recognition & AV_EF_EXPLODE) || !wc->ch_offset) ? AVERROR_INVALIDDATA : 0;
}
samples_l = frame->extended_data[wc->ch_offset];