diff -ruN simpleinit-msb-1.3/login-utils/shutdown.c simpleinit-msb-1.3.utmplimit/login-utils/shutdown.c
--- simpleinit-msb-1.3/login-utils/shutdown.c	2025-02-28 11:15:00.229663783 +0100
+++ simpleinit-msb-1.3.utmplimit/login-utils/shutdown.c	2025-02-28 11:08:04.528663832 +0100
@@ -116,6 +116,7 @@
 #include "pathnames.h"
 #include "xstrncpy.h"
 #include "nls.h"
+#include "../utmp_time.h"
 
 static void usage(void), int_handler(int), write_user(struct utmp *);
 static void wall(void), write_wtmp(void), unmount_disks(void);
@@ -584,12 +585,16 @@
 #define TERM_PREFIX "/dev/"
 	char term[40] = TERM_PREFIX;
 	char msg[266];
+	/* keep space for terminating 0, be prepared for non-terminated ut_line */
+	size_t termlimit = sizeof(term) - sizeof(TERM_PREFIX) - 1;
+	if(termlimit > UT_LINESIZE)
+		termlimit = UT_LINESIZE; 
 
 	minutes = timeout / 60;
 	hours = minutes / 60;
 	minutes %= 60;
 	
-	strncat(term, ut->ut_line, sizeof(term) - sizeof(TERM_PREFIX));
+	strncat(term, ut->ut_line, termlimit);
 
 	/* try not to get stuck on a mangled ut_line entry... */
 	if((fd = open(term, O_WRONLY|O_NONBLOCK)) < 0)
@@ -652,7 +657,7 @@
 	strcpy(ut.ut_line, "~");
 	strcpy(ut.ut_name, "shutdown");
 
-	time(&ut.ut_time);
+	utmp_time(&ut); /* communicate error? */
 	ut.ut_type = BOOT_TIME;
 	
 	if((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0644)) >= 0) {
diff -ruN simpleinit-msb-1.3/login-utils/simpleinit.c simpleinit-msb-1.3.utmplimit/login-utils/simpleinit.c
--- simpleinit-msb-1.3/login-utils/simpleinit.c	2025-02-28 11:15:00.229663783 +0100
+++ simpleinit-msb-1.3.utmplimit/login-utils/simpleinit.c	2025-02-28 11:16:27.983663772 +0100
@@ -229,6 +229,7 @@
 #include "xstrncpy.h"
 #include "nls.h"
 #include "simpleinit.h"
+#include "../utmp_time.h"
 
 #define MAXPARAMS  128  /* max num of args you can use with ctrlaltdel prog */
 #define CMDSIZ     150	/* max size of a line in inittab */
@@ -522,7 +523,7 @@
 		    setutent();
 		    while((ut = getutent())) {
 			if(ut->ut_pid == pid) {
-			    time(&ut->ut_time);
+			    utmp_time(ut); /* communicate error? */
 			    memset(&ut->ut_user, 0, UT_NAMESIZE);
 			    memset(&ut->ut_host, 0, sizeof(ut->ut_host));
 			    ut->ut_type = DEAD_PROCESS;
@@ -1064,7 +1065,7 @@
     memset((char *)&ut, 0, sizeof(ut));
     strcpy(ut.ut_line, "~");
     memset(ut.ut_name, 0, sizeof(ut.ut_name));
-    time(&ut.ut_time);
+    utmp_time(&ut); /* communicate error? */
     ut.ut_type = BOOT_TIME;
 #ifdef HAVE_updwtmp
     updwtmp(_path_wtmp,&ut);
@@ -1118,7 +1119,7 @@
   ut.ut_id[1]=(id/100)%10+'0';
   ut.ut_id[0]=(id/1000)%10+'0';
   
-  time(&ut.ut_time);
+  utmp_time(&ut); /* communicate error? */
   pututline(&ut);
   endutent();
 }
diff -ruN simpleinit-msb-1.3/sysvtools/utmp.c simpleinit-msb-1.3.utmplimit/sysvtools/utmp.c
--- simpleinit-msb-1.3/sysvtools/utmp.c	2007-11-08 21:13:15.000000000 +0100
+++ simpleinit-msb-1.3.utmplimit/sysvtools/utmp.c	2025-02-28 10:46:22.246663988 +0100
@@ -21,7 +21,7 @@
 #include "init.h"
 #include "initreq.h"
 #include "paths.h"
-
+#include "../utmp_time.h"
 
 #if defined(__GLIBC__)
 #  if (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0) && defined(__powerpc__)
@@ -78,7 +78,7 @@
 #if defined(__GLIBC__)
 	gettimeofday(&utmp.ut_tv, NULL);
 #else
-	time(&utmp.ut_time);
+	utmp_time(&utmp); /* communicate error? */
 #endif
 	utmp.ut_pid  = pid;
 	utmp.ut_type = type;
@@ -143,11 +143,7 @@
 	utmp.ut_type = type;
 	utmp.ut_pid = pid;
 	strncpy(utmp.ut_id, id, sizeof(utmp.ut_id));
-#if defined(__GLIBC__)
-	gettimeofday(&utmp.ut_tv, NULL);
-#else
-	time(&utmp.ut_time);
-#endif
+	utmp_time(&utmp); /* communicate error? */ 
 	strncpy(utmp.ut_user, user, UT_NAMESIZE);
 	if (line) strncpy(utmp.ut_line, line, UT_LINESIZE);
 	
diff -ruN simpleinit-msb-1.3/sysvtools/wall.c simpleinit-msb-1.3.utmplimit/sysvtools/wall.c
--- simpleinit-msb-1.3/sysvtools/wall.c	2007-11-08 21:13:16.000000000 +0100
+++ simpleinit-msb-1.3.utmplimit/sysvtools/wall.c	2025-02-28 11:09:08.442663825 +0100
@@ -101,7 +101,7 @@
   }
 
   openlog("wall", LOG_PID, LOG_USER);
-  syslog(LOG_INFO, "wall: user %s broadcasted %d lines (%d chars)",
+  syslog(LOG_INFO, "wall: user %s broadcasted %d lines (%zu chars)",
 	whoami, i, strlen(buf));
   closelog();
 
diff -ruN simpleinit-msb-1.3/utmp_time.h simpleinit-msb-1.3.utmplimit/utmp_time.h
--- simpleinit-msb-1.3/utmp_time.h	1970-01-01 01:00:00.000000000 +0100
+++ simpleinit-msb-1.3.utmplimit/utmp_time.h	2025-02-28 11:13:02.972663797 +0100
@@ -0,0 +1,28 @@
+#ifndef UTMP_TIME_H
+#define UTMP_TIME_H
+
+#include <utmp.h>
+#include <sys/time.h>
+#include <errno.h>
+
+static int utmp_time(struct utmp *ut)
+{
+	struct timeval tv;
+	int ret = 0;
+	ret = gettimeofday(&tv, NULL);
+	if(!ret)
+	{
+		/* Better handling of overflow here? This could be 64 bit time_t to
+		   32 bit (unsigned) integer. */
+		ut->ut_tv.tv_sec = tv.tv_sec;
+		ut->ut_tv.tv_usec = tv.tv_usec;
+		if(ut->ut_tv.tv_sec != tv.tv_sec || ut->ut_tv.tv_usec != tv.tv_usec)
+		{	
+			ret = -1;
+			errno = EOVERFLOW;
+		}
+	}
+	return ret;
+}
+
+#endif