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authorMichael Niedermayer <michaelni@gmx.at>2012-11-12 17:35:01 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-11-12 18:05:08 +0100
commit9eef41b848939a0a86582afdb45235e41612d9ba (patch)
tree8d0296fa5a275059d33ebb83ee9b24753f255cf0 /libavcodec/lagarith.c
parent87c113f4b3b8d2e243cc2e3afec4d2f7d38012d8 (diff)
downloadffmpeg-streaming-9eef41b848939a0a86582afdb45235e41612d9ba.zip
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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/lagarith.c')
-rw-r--r--libavcodec/lagarith.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/lagarith.c b/libavcodec/lagarith.c
index 0611abf..d0a5049 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);
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