From: Christian Seiler <christian@iwakd.de>
Date: Tue, 13 Aug 2013 19:33:19 +0000 (+0200)
Subject: apparmor/attach: make sure buffer is NUL-terminated
X-Git-Tag: lxc-1.0.0.alpha1~1^2~85
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=626ad11bfee3e12e675f51e92920030a6f383b19;p=thirdparty%2Flxc.git

apparmor/attach: make sure buffer is NUL-terminated

Signed-off-by: Christian Seiler <christian@iwakd.de>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
---

diff --git a/src/lxc/apparmor.c b/src/lxc/apparmor.c
index a2d647672..cb81464ff 100644
--- a/src/lxc/apparmor.c
+++ b/src/lxc/apparmor.c
@@ -42,12 +42,13 @@ again:
 	}
 	sz += 1024;
 	buf = realloc(buf, sz);
+	memset(buf, 0, sz);
 	if (!buf) {
 		ERROR("out of memory");
 		fclose(f);
 		return NULL;
 	}
-	ret = fread(buf, 1, sz, f);
+	ret = fread(buf, 1, sz - 1, f);
 	fclose(f);
 	if (ret >= sz)
 		goto again;