From b7b7e2348c07498f373d3b14a13615de151b2e7e Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 11 Nov 2012 18:45:56 +0100 Subject: msmpeg4dec: check w/h, prevent assert failure later Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/msmpeg4.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'libavcodec/msmpeg4.c') diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c index 7988e1f36b..39305f74a6 100644 --- a/libavcodec/msmpeg4.c +++ b/libavcodec/msmpeg4.c @@ -593,6 +593,11 @@ av_cold int ff_msmpeg4_decode_init(AVCodecContext *avctx) int i; MVTable *mv; + if(avctx->width<=0 || avctx->height<=0) { + av_log(avctx, AV_LOG_ERROR, "invalid dimensions\n"); + return -1; + } + if (ff_h263_decode_init(avctx) < 0) return -1; -- cgit v1.2.3