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authorMichael Niedermayer <michaelni@gmx.at>2014-03-02 21:17:48 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-03-02 21:23:40 +0100
commitdfefc9097e9b4bb20442e65454a40043bd189b3d (patch)
treeaa272a9fb4894212aa401fb9dbfcf7ef331ce9de
parent8b8ae298afb32979c81310ffdc9904d29497db5f (diff)
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 <michaelni@gmx.at>
-rw-r--r--libavcodec/hevcpred_template.c1
1 files changed, 1 insertions, 0 deletions
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++)