From e7e71b9e1ecb8cb6eb490b0c82bdc5aa9604368b Mon Sep 17 00:00:00 2001
From: Michael Meskes <meskes@postgresql.org>
Date: Thu, 11 Apr 2019 20:56:17 +0200
Subject: [PATCH] Fix off-by-one check that can lead to a memory overflow in
ecpg.
Patch by Liu Huailing <liuhuailing@cn.fujitsu.com>
---
src/interfaces/ecpg/preproc/pgc.l | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/interfaces/ecpg/preproc/pgc.l b/src/interfaces/ecpg/preproc/pgc.l
index deb1e554ce..c3670b94d7 100644
--- a/src/interfaces/ecpg/preproc/pgc.l
+++ b/src/interfaces/ecpg/preproc/pgc.l
@@ -1411,7 +1411,7 @@ parse_include(void)
for (ip = include_paths; yyin == NULL && ip != NULL; ip = ip->next)
{
- if (strlen(ip->path) + strlen(yytext) + 3 > MAXPGPATH)
+ if (strlen(ip->path) + strlen(yytext) + 4 > MAXPGPATH)
{
fprintf(stderr, _("Error: include path \"%s/%s\" is too long on line %d, skipping\n"), ip->path, yytext, yylineno);
continue;
--
2.40.0