From 66cbe490e1ccd286b1c662c11d91517be1361073 Mon Sep 17 00:00:00 2001
From: Sakthivel Velumani <sakthivel.velumani@eurecom.fr>
Date: Wed, 30 Jun 2021 16:08:05 +0200
Subject: [PATCH] Prevent buffer under/overflow in ULSCH decoding through
 alignment and sufficient array size

---
 openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
index 3aad4980bc..d152c9432a 100644
--- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
@@ -308,8 +308,8 @@ void nr_processULSegment(void* arg) {
   int max_ldpc_iterations = p_decoderParms->numMaxIter;
   int8_t llrProcBuf[OAI_UL_LDPC_MAX_NUM_LLR] __attribute__ ((aligned(32)));
 
-  int16_t  z [68*384];
-  int8_t   l [68*384];
+  int16_t  z [68*384 + 16] __attribute__ ((aligned(16)));
+  int8_t   l [68*384 + 16] __attribute__ ((aligned(16)));
 
   __m128i *pv = (__m128i*)&z;
   __m128i *pl = (__m128i*)&l;