From: Francis Dupont <fdupont@isc.org>
Date: Thu, 5 Mar 2026 15:26:22 +0000 (+0100)
Subject: Fixed len < 4 bug
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=HEAD;p=thirdparty%2Fdhcp.git

Fixed len < 4 bug
---

diff --git a/omapip/hash.c b/omapip/hash.c
index fccfb1cd..f01d350c 100644
--- a/omapip/hash.c
+++ b/omapip/hash.c
@@ -331,9 +331,9 @@ do_number_hash(const void *key, unsigned len, unsigned size)
 unsigned
 do_ip4_hash(const void *key, unsigned len, unsigned size)
 {
-	u_int32_t number;
+	u_int32_t number = 0;
 
-	memcpy(&number, key, 4);
+	memcpy(&number, key, len < 4 ? len : 4);
 
 	number = ntohl(number);