From: 2xsec <dh48.jeong@samsung.com>
Date: Thu, 14 Jun 2018 15:19:22 +0000 (+0900)
Subject: coverity: #1425778
X-Git-Tag: lxc-3.1.0~248^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F2403%2Fhead;p=thirdparty%2Flxc.git

coverity: #1425778

Out-of-bounds write

Signed-off-by: 2xsec <dh48.jeong@samsung.com>
---

diff --git a/src/lxc/criu.c b/src/lxc/criu.c
index 1ff4caef8..eab650d7e 100644
--- a/src/lxc/criu.c
+++ b/src/lxc/criu.c
@@ -1314,7 +1314,11 @@ static bool do_dump(struct lxc_container *c, char *mode, struct migrate_opts *op
 			SYSERROR("read");
 			n = 0;
 		}
-		buf[n] = 0;
+
+		if (n == sizeof(buf))
+			buf[n-1] = 0;
+		else
+			buf[n] = 0;
 
 		if (WIFEXITED(status)) {
 			if (WEXITSTATUS(status)) {