From ae3788b8021eb5caffba5eb3a40386b1c25b5668 Mon Sep 17 00:00:00 2001 From: Francois Cartegnie Date: Wed, 19 Jul 2017 10:55:04 +0200 Subject: [PATCH] packetizer: mpegvideo: check for overflow in rate --- modules/packetizer/mpegvideo.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/modules/packetizer/mpegvideo.c b/modules/packetizer/mpegvideo.c index a538582322..42a8ebbabb 100644 --- a/modules/packetizer/mpegvideo.c +++ b/modules/packetizer/mpegvideo.c @@ -55,6 +55,8 @@ #include "packetizer_helper.h" #include "startcode_helper.h" +#include + #define SYNC_INTRAFRAME_TEXT N_("Sync on Intra Frame") #define SYNC_INTRAFRAME_LONGTEXT N_("Normally the packetizer would " \ "sync on the next full frame. This flags instructs the packetizer " \ @@ -681,7 +683,7 @@ static block_t *ParseMPEGBlock( decoder_t *p_dec, block_t *p_frag ) if( ( p_sys->i_frame_rate != p_dec->fmt_out.video.i_frame_rate || p_dec->fmt_out.video.i_frame_rate_base != p_sys->i_frame_rate_base ) && - p_sys->i_frame_rate && p_sys->i_frame_rate_base ) + p_sys->i_frame_rate && p_sys->i_frame_rate_base && p_sys->i_frame_rate <= UINT_MAX/2 ) { date_Change( &p_sys->dts, 2 * p_sys->i_frame_rate, p_sys->i_frame_rate_base ); date_Change( &p_sys->prev_iframe_dts, 2 * p_sys->i_frame_rate, p_sys->i_frame_rate_base ); -- 2.11.4.GIT