From: Alan T. DeKok <aland@freeradius.org>
Date: Fri, 26 Dec 2025 16:00:21 +0000 (-0500)
Subject: check length of extend_lowat
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa059e586e75983e6a3705a63fc0248253e2713d;p=thirdparty%2Ffreeradius-server.git

check length of extend_lowat
---

diff --git a/src/lib/util/sbuff.h b/src/lib/util/sbuff.h
index ed6def0746f..7ce46ff349a 100644
--- a/src/lib/util/sbuff.h
+++ b/src/lib/util/sbuff.h
@@ -1769,7 +1769,7 @@ static inline bool fr_sbuff_is_in_charset(fr_sbuff_t *sbuff, bool const chars[st
 static inline bool fr_sbuff_is_str(fr_sbuff_t *sbuff, char const *str, size_t len)
 {
 	if (len == SIZE_MAX) len = strlen(str);
-	if (!fr_sbuff_extend_lowat(NULL, sbuff, len)) return false;
+	if (fr_sbuff_extend_lowat(NULL, sbuff, len) < len) return false;
 	return memcmp(sbuff->p, str, len) == 0;
 }
 #define fr_sbuff_is_str_literal(_sbuff, _str) fr_sbuff_is_str(_sbuff, _str, sizeof(_str) - 1)