From 23e4baefc2669c271f78402f5e9523d9f60a4cfe Mon Sep 17 00:00:00 2001
From: "Nicolas \"Pixel\" Noble" <pixel@nobis-crew.org>
Date: Wed, 13 Apr 2016 01:35:42 +0200
Subject: [PATCH] Enforcing undefined behavior of malloc.

---
 src/core/lib/support/alloc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/lib/support/alloc.c b/src/core/lib/support/alloc.c
index 020917f79c8..618c3f6acd8 100644
--- a/src/core/lib/support/alloc.c
+++ b/src/core/lib/support/alloc.c
@@ -53,6 +53,7 @@ void gpr_set_allocation_functions(gpr_allocation_functions functions) {
 
 void *gpr_malloc(size_t size) {
   void *p;
+  if (size == 0) return NULL;
   GPR_TIMER_BEGIN("gpr_malloc", 0);
   p = g_alloc_functions.malloc_fn(size);
   if (!p) {
@@ -69,6 +70,7 @@ void gpr_free(void *p) {
 }
 
 void *gpr_realloc(void *p, size_t size) {
+  if ((size == 0) && (p == NULL)) return NULL;
   GPR_TIMER_BEGIN("gpr_realloc", 0);
   p = g_alloc_functions.realloc_fn(p, size);
   if (!p) {