From bb8c03777d757067aa0bee6f7aae1f7a9d6ff273 Mon Sep 17 00:00:00 2001
From: Christoffer Lerno <christoffer@aegik.com>
Date: Thu, 20 Feb 2025 21:56:28 +0100
Subject: [PATCH] Fix address overread

---
 src/build/build_options.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/build/build_options.c b/src/build/build_options.c
index 92736e386..b50d2a0d2 100644
--- a/src/build/build_options.c
+++ b/src/build/build_options.c
@@ -1417,7 +1417,12 @@ void append_file(BuildOptions *build_options)
 static inline const char *match_argopt(const char *name)
 {
 	size_t len = strlen(name);
-	if (memcmp(&current_arg[2], name, len) != 0) return false;
+	for (size_t i = 0; i < len; i++)
+	{
+		char c = current_arg[2 + i];
+		if (c == 0) return false;
+		if (c != name[i]) return false;
+	}
 	if (current_arg[2 + len] != '=') return false;
 	return &current_arg[2 + len + 1];
 }