af_rxrpc: Fix XDR length check in rxrpc key demarshalling.

[cascardo/linux.git] / net / rxrpc / ar-key.c

diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index 7633a75..0ad0807 100644 (file)
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -99,7 +99,7 @@ static int rxrpc_instantiate_xdr_rxkad(struct key *key, const __be32 *xdr,
        _debug("tktlen: %x", tktlen);
        if (tktlen > AFSTOKEN_RK_TIX_MAX)
                return -EKEYREJECTED;
-       if (8 * 4 + tktlen != toklen)
+       if (toklen < 8 * 4 + tktlen)
                return -EKEYREJECTED;
 
        plen = sizeof(*token) + sizeof(*token->kad) + tktlen;