===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/control.c,v
retrieving revision 1.48
retrieving revision 1.49
diff -u -r1.48 -r1.49
--- src/usr.bin/tmux/control.c	2022/07/06 08:31:59	1.48
+++ src/usr.bin/tmux/control.c	2022/08/24 07:22:30	1.49
@@ -1,4 +1,4 @@
-/* $OpenBSD: control.c,v 1.48 2022/07/06 08:31:59 nicm Exp $ */
+/* $OpenBSD: control.c,v 1.49 2022/08/24 07:22:30 nicm Exp $ */
 
 /*
  * Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -776,12 +776,16 @@
 
 	cs->read_event = bufferevent_new(c->fd, control_read_callback,
 	    control_write_callback, control_error_callback, c);
+	if (cs->read_event == NULL)
+		fatalx("out of memory");
 
 	if (c->flags & CLIENT_CONTROLCONTROL)
 		cs->write_event = cs->read_event;
 	else {
 		cs->write_event = bufferevent_new(c->out_fd, NULL,
 		    control_write_callback, control_error_callback, c);
+		if (cs->write_event == NULL)
+			fatalx("out of memory");
 	}
 	bufferevent_setwatermark(cs->write_event, EV_WRITE, CONTROL_BUFFER_LOW,
 	    0);