From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965473AbbLOStj (ORCPT ); Tue, 15 Dec 2015 13:49:39 -0500 Received: from mga01.intel.com ([192.55.52.88]:10470 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932358AbbLOSth (ORCPT ); Tue, 15 Dec 2015 13:49:37 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,433,1444719600"; d="scan'208";a="13706634" Subject: [PATCH] net: fix uninitialized variable issue From: Tadeusz Struk To: herbert@gondor.apana.org.au, davem@davemloft.net Cc: tadeusz.struk@intel.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, freude@linux.vnet.ibm.com, viro@zeniv.linux.org.uk, linux-crypto@vger.kernel.org Date: Tue, 15 Dec 2015 10:46:17 -0800 Message-ID: <20151215184617.11620.23369.stgit@tstruk-mobl1> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org msg_iocb needs to be initialized on the recv/recvfrom path. Otherwise afalg will wrongly interpret it as an async call. Cc: stable@vger.kernel.org Reported-by: Harald Freudenberger Signed-off-by: Tadeusz Struk --- net/socket.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/socket.c b/net/socket.c index dd2c247..80ca820 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1702,6 +1702,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size, msg.msg_name = addr ? (struct sockaddr *)&address : NULL; /* We assume all kernel code knows the size of sockaddr_storage */ msg.msg_namelen = 0; + msg.msg_iocb = NULL; if (sock->file->f_flags & O_NONBLOCK) flags |= MSG_DONTWAIT; err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags);