From: Malahal Naineni <malahal@us.ibm.com>
Date: Sun, 9 Sep 2012 15:25:47 +0000 (-0500)
Subject: NFSD: pass null terminated buf to kstrtouint()
X-Git-Tag: v3.6.3~69
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13a34f1542a04f7165c1b41dd6faff85a9ebf061;p=thirdparty%2Fkernel%2Fstable.git

NFSD: pass null terminated buf to kstrtouint()

commit 9959ba0c241a71c7ed8133401cfbbee2720da0b5 upstream.

The 'buf' is prepared with null termination with intention of using it for
this purpose, but 'name' is passed instead!

Signed-off-by: Malahal Naineni <malahal@us.ibm.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index fdc91a6fc9c4e..ccfe0d0e7228f 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -598,7 +598,7 @@ numeric_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namel
 	/* Just to make sure it's null-terminated: */
 	memcpy(buf, name, namelen);
 	buf[namelen] = '\0';
-	ret = kstrtouint(name, 10, id);
+	ret = kstrtouint(buf, 10, id);
 	return ret == 0;
 }