From 362f97df1e6284387d6172f076acd4b187323a9e Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@google.com>
Date: Mon, 4 Feb 2019 10:52:00 -0800
Subject: [PATCH] [fuzz] return valid radio transmit buffer (#3549)

---
 tests/fuzz/fuzzer_platform.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tests/fuzz/fuzzer_platform.c b/tests/fuzz/fuzzer_platform.c
index d9f4edf25..a1e643523 100644
--- a/tests/fuzz/fuzzer_platform.c
+++ b/tests/fuzz/fuzzer_platform.c
@@ -37,7 +37,9 @@
 #include <openthread/platform/settings.h>
 #include <openthread/platform/uart.h>
 
-static uint32_t sRandomState = 1;
+static uint32_t     sRandomState = 1;
+static uint8_t      sRadioTransmitPsdu[OT_RADIO_FRAME_MAX_SIZE];
+static otRadioFrame sRadioTransmitFrame = {.mPsdu = sRadioTransmitPsdu};
 
 void FuzzerPlatformInit(void)
 {
@@ -198,7 +200,7 @@ otError otPlatRadioGetTransmitPower(otInstance *aInstance, int8_t *aPower)
 otRadioFrame *otPlatRadioGetTransmitBuffer(otInstance *aInstance)
 {
     (void)aInstance;
-    return NULL;
+    return &sRadioTransmitFrame;
 }
 
 int8_t otPlatRadioGetRssi(otInstance *aInstance)