From 42254e62672f9e8d5eef37f9756518b6fc548b0a Mon Sep 17 00:00:00 2001
From: Robert Schmidt <robert.schmidt@openairinterface.org>
Date: Thu, 18 Apr 2024 00:25:22 +0200
Subject: [PATCH] Memory sanitizer: unitialized read

Reset all the circular buffer to zero; this ensures that we cannot read
uninitialized data. Since this is RFsimulator, performance is not a
problem here either (and zeroing out happens only once).
---
 radio/rfsimulator/simulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/radio/rfsimulator/simulator.c b/radio/rfsimulator/simulator.c
index 62d08da212..d190851699 100644
--- a/radio/rfsimulator/simulator.c
+++ b/radio/rfsimulator/simulator.c
@@ -179,7 +179,7 @@ typedef struct {
 static int allocCirBuf(rfsimulator_state_t *bridge, int sock)
 {
   buffer_t *ptr=&bridge->buf[sock];
-  ptr->circularBuf = malloc(sampleToByte(CirSize, 1));
+  ptr->circularBuf = calloc(1, sampleToByte(CirSize, 1));
   if (ptr->circularBuf == NULL) {
     LOG_E(HW, "malloc(%lu) failed\n", sampleToByte(CirSize, 1));
     return -1;