From 845724c82c1a732ab398c9e8cedd178f96f1626d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 17 Nov 2012 20:17:22 +0100 Subject: vcr1: check if dimensions are supported, fix out of array accesses. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/vcr1.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/vcr1.c b/libavcodec/vcr1.c index 2a4a090885..acac925870 100644 --- a/libavcodec/vcr1.c +++ b/libavcodec/vcr1.c @@ -50,6 +50,10 @@ static av_cold int vcr1_decode_init(AVCodecContext *avctx) avctx->pix_fmt = AV_PIX_FMT_YUV410P; + if (avctx->width % 8 || avctx->height%4) { + av_log_ask_for_sample(avctx, "odd dimensions are not supported\n"); + return AVERROR_PATCHWELCOME; + } return 0; } -- cgit v1.2.3