openssh/openssh-6.4p1-saveargv-fix.patch

# related to bnc#49845, upstream bug #529

diff --git a/openssh-6.4p1/sshd.c b/openssh-6.4p1/sshd.c
--- a/openssh-6.4p1/sshd.c
+++ b/openssh-6.4p1/sshd.c
@@ -309,16 +309,17 @@ sighup_handler(int sig)
 
 /*
  * Called from the main program after receiving SIGHUP.
  * Restarts the server.
  */
 static void
 sighup_restart(void)
 {
+	int i;
 	logit("Received SIGHUP; restarting.");
 	close_listen_socks();
 	close_startup_pipes();
 	alarm(0);  /* alarm timer persists across exec */
 	signal(SIGHUP, SIG_IGN); /* will be restored after exec */
 	execv(saved_argv[0], saved_argv);
 	logit("RESTART FAILED: av[0]='%.100s', error: %.100s.", saved_argv[0],
 	    strerror(errno));
@@ -1382,17 +1383,21 @@ main(int ac, char **av)
 	saved_argv = xcalloc(ac + 1, sizeof(*saved_argv));
 	for (i = 0; i < ac; i++)
 		saved_argv[i] = xstrdup(av[i]);
 	saved_argv[i] = NULL;
 
 #ifndef HAVE_SETPROCTITLE
 	/* Prepare for later setproctitle emulation */
 	compat_init_setproctitle(ac, av);
-	av = saved_argv;
+
+	av = xmalloc(sizeof(*saved_argv) * (saved_argc + 1));
+	for (i = 0; i < saved_argc; i++)
+		av[i] = xstrdup(saved_argv[i]);
+	av[i] = NULL;
 #endif
 
 	if (geteuid() == 0 && setgroups(0, NULL) == -1)
 		debug("setgroups(): %.200s", strerror(errno));
 
 	/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
 	sanitise_stdfd();