diff options
Diffstat (limited to 'roff.c')
-rw-r--r-- | roff.c | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -1,4 +1,4 @@ -/* $Id: roff.c,v 1.244 2014/12/18 17:43:41 schwarze Exp $ */ +/* $Id: roff.c,v 1.245 2014/12/25 17:23:32 schwarze Exp $ */ /* * Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> @@ -21,6 +21,7 @@ #include <assert.h> #include <ctype.h> +#include <limits.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -658,6 +659,12 @@ roff_res(struct roff *r, struct buf *buf, int ln, int pos) buf->sz = mandoc_asprintf(&nbuf, "%s%s%s", buf->buf, res, cp) + 1; + if (buf->sz > SHRT_MAX) { + mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, + ln, (int)(stesc - buf->buf), NULL); + return(ROFF_IGN); + } + /* Prepare for the next replacement. */ start = nbuf + pos; |