diff options
Diffstat (limited to 'usr.bin/tmux')
| -rw-r--r-- | usr.bin/tmux/client.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/usr.bin/tmux/client.c b/usr.bin/tmux/client.c index 17f10a5e100..152b9c883e9 100644 --- a/usr.bin/tmux/client.c +++ b/usr.bin/tmux/client.c @@ -1,4 +1,4 @@ -/* $OpenBSD: client.c,v 1.123 2017/07/14 18:49:07 nicm Exp $ */ +/* $OpenBSD: client.c,v 1.124 2017/12/18 22:13:36 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> @@ -337,6 +337,10 @@ client_main(struct event_base *base, int argc, char **argv, int flags) size = 0; for (i = 0; i < argc; i++) size += strlen(argv[i]) + 1; + if (size > MAX_IMSGSIZE - (sizeof *data)) { + fprintf(stderr, "command too long\n"); + return (1); + } data = xmalloc((sizeof *data) + size); /* Prepare command for server. */ |