From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758536Ab3IBIzj (ORCPT ); Mon, 2 Sep 2013 04:55:39 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:37795 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758476Ab3IBIz3 (ORCPT ); Mon, 2 Sep 2013 04:55:29 -0400 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Dan Carpenter , "John W. Linville" , Luis Henriques Subject: [PATCH 36/58] Hostap: copying wrong data prism2_ioctl_giwaplist() Date: Mon, 2 Sep 2013 09:54:21 +0100 Message-Id: <1378112083-9475-37-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1378112083-9475-1-git-send-email-luis.henriques@canonical.com> References: <1378112083-9475-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.5.7.21 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter commit 909bd5926d474e275599094acad986af79671ac9 upstream. We want the data stored in "addr" and "qual", but the extra ampersands mean we are copying stack data instead. Signed-off-by: Dan Carpenter Signed-off-by: John W. Linville Signed-off-by: Luis Henriques --- drivers/net/wireless/hostap/hostap_ioctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c index 18054d9..dbec2ff 100644 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/hostap/hostap_ioctl.c @@ -522,9 +522,9 @@ static int prism2_ioctl_giwaplist(struct net_device *dev, data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1); - memcpy(extra, &addr, sizeof(struct sockaddr) * data->length); + memcpy(extra, addr, sizeof(struct sockaddr) * data->length); data->flags = 1; /* has quality information */ - memcpy(extra + sizeof(struct sockaddr) * data->length, &qual, + memcpy(extra + sizeof(struct sockaddr) * data->length, qual, sizeof(struct iw_quality) * data->length); kfree(addr); -- 1.8.3.2