[lxc-devel] [lxc/master] caps: fix illegal access to array bound

[2xsec on Github]

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From 55af38876ff7e869172c1c4c50fe06a182c6a69b Mon Sep 17 00:00:00 2001
From: 2xsec <dh48.jeong at samsung.com>
Date: Mon, 3 Sep 2018 14:18:36 +0900
Subject: [PATCH] caps: fix illegal access to array bound

Signed-off-by: 2xsec <dh48.jeong at samsung.com>
---
 src/lxc/caps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lxc/caps.c b/src/lxc/caps.c
index 8ca47bf66..22f230210 100644
--- a/src/lxc/caps.c
+++ b/src/lxc/caps.c
@@ -303,7 +303,7 @@ static long int _real_caps_last_cap(void)
 		if (n < 0 && errno == EINTR) {
 			goto again;
 		} else if (n >= 0) {
-			buf[n] = '\0';
+			buf[n-1] = '\0';
 
 			errno = 0;
 			result = strtol(buf, &ptr, 10);