From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754879Ab0IZJAA (ORCPT ); Sun, 26 Sep 2010 05:00:00 -0400 Received: from mail-ey0-f174.google.com ([209.85.215.174]:51674 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751937Ab0IZI74 (ORCPT ); Sun, 26 Sep 2010 04:59:56 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=H+rT+txQZ86aVeg6C4iAXw3hmzqlHzcome0JZ9CCYDZexb7HgxiVi1x/6diH6d0Ln1 26zYBcVLxN/ek8bOalqjwP4053IS/J3IHMiL3qt3y+PgUZpXx/tY+BXUhe7uuZ3fmBXU 5nOEhdKJsgPhIjm5Eb0N2CU0l3ifWyzANnMJs= From: Vasiliy Kulikov To: kernel-janitors@vger.kernel.org Cc: Greg Kroah-Hartman , Marek Belisko , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH] statistics_write: ft1000: fix kernel info leak to userland Date: Sun, 26 Sep 2010 12:59:52 +0400 Message-Id: <1285491593-325-1-git-send-email-segooon@gmail.com> X-Mailer: git-send-email 1.7.0.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org get_stat_data is not fully initialized before copy_to_user() call, e.g. LedStat is not always set. --- drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c index 65087ce..467fd31 100644 --- a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c +++ b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c @@ -623,7 +623,7 @@ static int ft1000_ChIoctl (struct file *File, unsigned int Command, break; case IOCTL_GET_DSP_STAT_CMD: //DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_GET_DSP_STAT called\n"); - + memset(get_stat_data, 0, sizeof(get_stat_data)); memcpy(get_stat_data.DspVer, info->DspVer, DSPVERSZ); memcpy(get_stat_data.HwSerNum, info->HwSerNum, HWSERNUMSZ); memcpy(get_stat_data.Sku, info->Sku, SKUSZ); -- 1.7.0.4