From 0999f1613bc48ed9d6578a3ad7bcd17610e07fbf Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 11 Jan 2014 20:23:51 +0100 Subject: [PATCH] avcodec/hevc: use av_mallocz() for allocating tab_ipm Fixes use of uninitialized memory and out of stack array read Fixes: signal_sigsegv_ecc526_7846_WPP_C_ericsson_MAIN_2.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/hevc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c index 43d10f078e..9c33da0012 100644 --- a/libavcodec/hevc.c +++ b/libavcodec/hevc.c @@ -107,7 +107,7 @@ static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps) goto fail; s->cbf_luma = av_malloc(sps->min_tb_width * sps->min_tb_height); - s->tab_ipm = av_malloc(min_pu_size); + s->tab_ipm = av_mallocz(min_pu_size); s->is_pcm = av_malloc(min_pu_size); if (!s->tab_ipm || !s->cbf_luma || !s->is_pcm) goto fail;