From f4552c2d248e9d9f6f728ea32eb25f600d3d6cd6 Mon Sep 17 00:00:00 2001 From: David Howells Date: Fri, 17 Jun 2016 11:00:48 +0100 Subject: [PATCH] rxrpc: Validate the net address given to rxrpc_kernel_begin_call() Validate the net address given to rxrpc_kernel_begin_call() before using it. Whilst this should be mostly unnecessary for in-kernel users, it does clear the tail of the address struct in case we want to hash or compare the whole thing. Signed-off-by: David Howells --- net/rxrpc/af_rxrpc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index 408bd024125b..b29bb50af5de 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -280,9 +280,14 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock, struct rxrpc_transport *trans; struct rxrpc_call *call; struct rxrpc_sock *rx = rxrpc_sk(sock->sk); + int ret; _enter(",,%x,%lx", key_serial(key), user_call_ID); + ret = rxrpc_validate_address(rx, srx, sizeof(*srx)); + if (ret < 0) + return ERR_PTR(ret); + lock_sock(&rx->sk); if (!key) -- 2.20.1