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mp3on4: fix null pointer dereference

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-14 21:50:23 +01:00
parent a99c273a3f
commit 51fcf276f8
1 changed files with 1 additions and 1 deletions
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2
libavcodec/mpegaudiodec.c
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@ -1965,7 +1965,7 @@ static int decode_frame_mp3on4(AVCodecContext *avctx, void *data,
avpriv_mpegaudio_decode_header((MPADecodeHeader *)m, header);
if (ch + m->nb_channels > avctx->channels) {
if (ch + m->nb_channels > avctx->channels || s->coff[fr] + m->nb_channels > avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "frame channel count exceeds codec "
"channel count\n");
return AVERROR_INVALIDDATA;