From 8e09482e4d27d65bbce2ce5c2f4392216011ed09 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 28 Dec 2011 19:05:16 +0100 Subject: [PATCH] vcr1dec: Check that there is sufficient input data. Fixes crash. Signed-off-by: Michael Niedermayer --- libavcodec/vcr1.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/vcr1.c b/libavcodec/vcr1.c index 73a7226523..1526215314 100644 --- a/libavcodec/vcr1.c +++ b/libavcodec/vcr1.c @@ -56,6 +56,11 @@ static int decode_frame(AVCodecContext *avctx, if(p->data[0]) avctx->release_buffer(avctx, p); + if(buf_size < 16 + avctx->height + avctx->width*avctx->height*5/8){ + av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n"); + return AVERROR(EINVAL); + } + p->reference= 0; if(avctx->get_buffer(avctx, p) < 0){ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");