From: Christian Göttsche <cgzones@googlemail.com>
Date: Sat, 17 Sep 2022 16:03:46 +0000 (+0200)
Subject: lib: use memzero where applicable
X-Git-Tag: 4.13~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e53db927af3735d5c628a7830b587a651bb803f;p=thirdparty%2Fshadow.git

lib: use memzero where applicable

Use memzero when operating in a buffer of known size to clear all bytes
and avoid leaking the size of the stored data.
---

diff --git a/src/sulogin.c b/src/sulogin.c
index 08feade2f..2c5e09433 100644
--- a/src/sulogin.c
+++ b/src/sulogin.c
@@ -216,7 +216,7 @@ static void catch_signals (unused int sig)
 		sleep (2);
 		(void) puts (_("Login incorrect"));
 	}
-	strzero (pass);
+	memzero (pass, sizeof pass);
 	(void) alarm (0);
 	(void) signal (SIGALRM, SIG_DFL);
 	environ = newenvp;	/* make new environment active */