Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752924AbdFTJtc (ORCPT ); Tue, 20 Jun 2017 05:49:32 -0400 Received: from frisell.zx2c4.com ([192.95.5.64]:55631 "EHLO frisell.zx2c4.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753099AbdFTJtL (ORCPT ); Tue, 20 Jun 2017 05:49:11 -0400 MIME-Version: 1.0 In-Reply-To: <20170620093642.3ri6dct5qkf7vhuc@thunk.org> References: <20170614192838.3jz4sxpcuhxygx4z@breakpoint.cc> <20170614224526.29076-1-Jason@zx2c4.com> <20170620060344.ngbnzg2mz5hvq4kw@thunk.org> <20170620093642.3ri6dct5qkf7vhuc@thunk.org> From: "Jason A. Donenfeld" Date: Tue, 20 Jun 2017 11:49:07 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] random: silence compiler warnings and fix race To: "Theodore Ts'o" , "Jason A. Donenfeld" , noloader@gmail.com, tglx@breakpoint.cc, David Miller , Linus Torvalds , Eric Biggers , LKML , Greg Kroah-Hartman , kernel-hardening@lists.openwall.com, Linux Crypto Mailing List , Michael Ellerman Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 816 Lines: 16 On Tue, Jun 20, 2017 at 11:36 AM, Theodore Ts'o wrote: >> But I think there's another camp that would mutiny in the face of this >> kind of hubris. > > Blocking the boot for hours and hours until we have enough entropy to > initialize the CRNG is ***not*** an acceptable way of making the > warning messages go away. Do that and the users **will** mutiny. > > It's this sort of attitude which is why Linus has in the past said > that security people are sometimes insane.... Uh, talk about a totally unnecessary punch... In case my last email wasn't clear, I fully recognize that `default y` is a tad too extreme, which is why from one of the earliest revisions in this series, I moved directly to the compromise solution (`depends DEBUG_KERNEL`) without even waiting for people to complain first.