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 322d11ce06a452858ed0e547cf1e70e7883c08ee..01b090d135b795c030626f75b2261f87f775b8af 100644 (file)
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -581,7 +581,7 @@ 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;
 }