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 322d11c..01b090d 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -581,7 +581,7 @@
/* 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;
}