From: Xiubo Li <xiubli@redhat.com>
Date: Thu, 15 Apr 2021 03:55:42 +0000 (+0800)
Subject: parser: fix strncpy bug
X-Git-Tag: ceph_v1.0^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ac0dfe1184383daf559c40c808b58ac22ccaf93f;p=ffsb.git

parser: fix strncpy bug

Fixes: http://tracker.ceph.com/issues/24579
Signed-off-by: Yan, Zheng <zyan@redhat.com>
---

diff --git a/parser.c b/parser.c
index 8f3f086..0654781 100644
--- a/parser.c
+++ b/parser.c
@@ -203,7 +203,7 @@ static char *get_optstr(char *buf, char string[])
 	len = strnlen(string, BUFSIZE);
 	sprintf(search_str, "%s=%%%ds\\n", string, BUFSIZE - len-1);
 	if (1 == sscanf(line, search_str, &temp)) {
-		len = strnlen(temp, 4096);
+		len = strnlen(temp, 4095) + 1;
 		ret_buf = malloc(len);
 		strncpy(ret_buf, temp, len);
 		return ret_buf;