From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757580AbcEDKlV (ORCPT ); Wed, 4 May 2016 06:41:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50574 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751024AbcEDKlU (ORCPT ); Wed, 4 May 2016 06:41:20 -0400 Date: Wed, 4 May 2016 12:41:18 +0200 From: Oleg Nesterov To: Kangjie Lu Cc: akpm@linux-foundation.org, peterz@infradead.org, amanieu@gmail.com, linux-kernel@vger.kernel.org, taesoo@gatech.edu, insu@gatech.edu, Kangjie Lu Subject: Re: [PATCH] infoleak fix2 in signal Message-ID: <20160504104117.GB6977@redhat.com> References: <1462308166-6126-1-git-send-email-kjlu@gatech.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1462308166-6126-1-git-send-email-kjlu@gatech.edu> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/03, Kangjie Lu wrote: > > The stack object “info” has a total size of 128 bytes; however, > only 32 bytes are initialized. The remaining uninitialized bytes > are sent to userland via send_signal. The same, afaics. We do not send the uninitialized bytes to userland. Oleg.