From 9eef41b848939a0a86582afdb45235e41612d9ba Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 12 Nov 2012 17:35:01 +0100 Subject: [PATCH] lagarith: always allocate for 4 planes. Fixes out of array accesses Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/lagarith.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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);