From dfefc9097e9b4bb20442e65454a40043bd189b3d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 2 Mar 2014 21:17:48 +0100 Subject: [PATCH] avcodec/hevcpred_template: also initialize top[-1] for constrained intra prediction Fixes out of array read Fixes: 387713a12dc5cfa27fcb4178084ce1ea-asan_stack-oob_131176a_1182_cov_3861068719_CAINIT_C_SHARP_3.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/hevcpred_template.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/hevcpred_template.c b/libavcodec/hevcpred_template.c index 5ba95919b1..1d83249355 100644 --- a/libavcodec/hevcpred_template.c +++ b/libavcodec/hevcpred_template.c @@ -155,6 +155,7 @@ static void FUNC(intra_pred)(HEVCContext *s, int x0, int y0, int log2_size, int left[i] = 128; top[i] = 128; } + top[-1] = 128; } if (cand_bottom_left) { for (i = size + bottom_left_size; i < (size << 1); i++)