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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-11-12 17:35:01 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-11-12 18:05:08 +0100 |
| commit | 9eef41b848939a0a86582afdb45235e41612d9ba (patch) | |
| tree | 8d0296fa5a275059d33ebb83ee9b24753f255cf0 /libavcodec | |
| parent | 87c113f4b3b8d2e243cc2e3afec4d2f7d38012d8 (diff) | |
| download | ffmpeg-9eef41b848939a0a86582afdb45235e41612d9ba.tar.gz | |
lagarith: always allocate for 4 planes. Fixes out of array accesses
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/lagarith.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/lagarith.c b/libavcodec/lagarith.c index 0611abfef4..d0a5049542 100644 --- a/libavcodec/lagarith.c +++ b/libavcodec/lagarith.c @@ -569,7 +569,7 @@ static int lag_decode_frame(AVCodecContext *avctx, if (!l->rgb_planes) { l->rgb_stride = FFALIGN(avctx->width, 16); - l->rgb_planes = av_malloc(l->rgb_stride * avctx->height * planes + 16); + l->rgb_planes = av_malloc(l->rgb_stride * avctx->height * 4 + 16); if (!l->rgb_planes) { av_log(avctx, AV_LOG_ERROR, "cannot allocate temporary buffer\n"); return AVERROR(ENOMEM); |