From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D36FC433EF for ; Wed, 9 Feb 2022 18:59:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241466AbiBIS7I (ORCPT ); Wed, 9 Feb 2022 13:59:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241338AbiBIS50 (ORCPT ); Wed, 9 Feb 2022 13:57:26 -0500 Received: from isilmar-4.linta.de (isilmar-4.linta.de [136.243.71.142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DA72C050CF4 for ; Wed, 9 Feb 2022 10:57:24 -0800 (PST) X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES Received: from owl.dominikbrodowski.net (owl.brodo.linta [10.2.0.111]) by isilmar-4.linta.de (Postfix) with ESMTPSA id 864B7201417; Wed, 9 Feb 2022 18:57:21 +0000 (UTC) Received: by owl.dominikbrodowski.net (Postfix, from userid 1000) id 59F0F8013C; Wed, 9 Feb 2022 19:56:40 +0100 (CET) Date: Wed, 9 Feb 2022 19:56:40 +0100 From: Dominik Brodowski To: "Jason A. Donenfeld" Cc: linux-kernel@vger.kernel.org, Jann Horn Subject: Re: [PATCH] random: zero buffer after reading secret entropy from userspace Message-ID: References: <20220209174456.644232-1-Jason@zx2c4.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220209174456.644232-1-Jason@zx2c4.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Wed, Feb 09, 2022 at 06:44:56PM +0100 schrieb Jason A. Donenfeld: > This buffer may contain entropic data that shouldn't stick around longer > than needed, zero it out our temporary buffer at the end of > write_pool(). > > Cc: Dominik Brodowski > Cc: Jann Horn > Signed-off-by: Jason A. Donenfeld Reviewed-by: Dominik Brodowski Thanks, Dominik