===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/sshpty.c,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -r1.33 -r1.34
--- src/usr.bin/ssh/sshpty.c	2019/07/04 16:16:51	1.33
+++ src/usr.bin/ssh/sshpty.c	2019/07/04 16:20:10	1.34
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshpty.c,v 1.33 2019/07/04 16:16:51 deraadt Exp $ */
+/* $OpenBSD: sshpty.c,v 1.34 2019/07/04 16:20:10 deraadt Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -141,6 +141,8 @@
 
 	/* Determine the group to make the owner of the tty. */
 	grp = getgrnam("tty");
+	if (grp == NULL)
+		fatal("no tty group");
 	gid = (grp != NULL) ? grp->gr_gid : pw->pw_gid;
 	mode = (grp != NULL) ? 0620 : 0600;