===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/file.c,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -r1.12 -r1.13
--- src/usr.bin/tmux/file.c	2021/08/22 13:48:29	1.12
+++ src/usr.bin/tmux/file.c	2022/08/24 07:22:30	1.13
@@ -1,4 +1,4 @@
-/* $OpenBSD: file.c,v 1.12 2021/08/22 13:48:29 nicm Exp $ */
+/* $OpenBSD: file.c,v 1.13 2022/08/24 07:22:30 nicm Exp $ */
 
 /*
  * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -588,6 +588,8 @@
 
 	cf->event = bufferevent_new(cf->fd, NULL, file_write_callback,
 	    file_write_error_callback, cf);
+	if (cf->event == NULL)
+		fatalx("out of memory");
 	bufferevent_enable(cf->event, EV_WRITE);
 	goto reply;
 
@@ -747,6 +749,8 @@
 
 	cf->event = bufferevent_new(cf->fd, file_read_callback, NULL,
 	    file_read_error_callback, cf);
+	if (cf->event == NULL)
+		fatalx("out of memory");
 	bufferevent_enable(cf->event, EV_READ);
 	return;