From c5cfa82ffb5d89ce447dc9a7788bbeb1be267eb7 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Wed, 1 Jul 2026 12:58:50 +0300
Subject: [PATCH] LibC: Check for malloc failure in `setenv`

---
 userspace/libraries/LibC/environ.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/userspace/libraries/LibC/environ.cpp b/userspace/libraries/LibC/environ.cpp
index b74ade68..27029348 100644
--- a/userspace/libraries/LibC/environ.cpp
+++ b/userspace/libraries/LibC/environ.cpp
@@ -158,6 +158,8 @@ int setenv(const char* name, const char* val, int overwrite)
 	const size_t vallen = strlen(val);
 
 	auto* string = static_cast<char*>(malloc(namelen + vallen + 2));
+	if (string == nullptr)
+		return -1;
 	memcpy(string, name, namelen);
 	string[namelen] = '=';
 	memcpy(string + namelen + 1, val, vallen);