Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp5282640ybe; Tue, 17 Sep 2019 05:48:32 -0700 (PDT) X-Google-Smtp-Source: APXvYqx2MG3v1EH977MQunN/otLYeMgOgemqOpxkA/HGcXE1tHFhdKYTUDKvQLCJlTcOHLD5A5eQ X-Received: by 2002:a50:e614:: with SMTP id y20mr4412460edm.276.1568724512095; Tue, 17 Sep 2019 05:48:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568724512; cv=none; d=google.com; s=arc-20160816; b=kig0nCFCk4PTxopmO24Q3Dpz5JOz1FRpLeX9e1x2ycGJKDsA3CwZ4E76sgQ3rmY4Kv FHEDGcmU9sayx7QoCT6j4uC75iXjOAaKxCct6ot+fR6lqZtoNTSIzJFRoNGamPmWcqpa NUMQ83mAA9gtxWSuRe2DerOrw9hSzgHVtwzL6+cwdd1ev5Zh7/JtbLZIbShx7VSZUSsO cgSAysV6PYeI6EcLBzjCEBUCxjK1FLfpEZvLjsqfzj1sW5MQsgejXffg1TiCpIxFg9Rl YuNg0LX+31EyW4ApLDA1zDl0W/0hi7GASWbNe2Ej9YAyt2lxtUzf5KUjY0CphR7dR5Gc Wx4Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=71n+DZUiDijX659OSgviOJ7+Yt1BymTxhlUiapi+YB8=; b=g2KtF69XYMUl+3SU118ylaMZtVOFabTfNqLJe8Wn8BmGr5Cz/C8P+ZV3BxaORsZVPK fcejQE0SxqqdUxgti4At/3zqm009CU7gIThlgZf5BJoecG8ZGo3W7Jpg/hh4fJf23f+W jvZp3H3xRAVJVJc0zjDYQgamJ5vOCSNRNTcptDhRrt8czgF+4wDc/PCgSz3OVM8HvBM2 LwTHTxhJs54+GvLUWzh1+01JsgSeAY1TJ5KKThE3B44Ap+MxSupGKL5iIflS+yXj3/TI ErWt8zoK7SJpQXL97S9D+uwDuSGIr2w1mZ3WsrO95EiuLsBs3Wy1xRYOqCengHJo+Y04 aJjQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p39si1221227eda.416.2019.09.17.05.48.07; Tue, 17 Sep 2019 05:48:32 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728319AbfIQMrm (ORCPT + 99 others); Tue, 17 Sep 2019 08:47:42 -0400 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:46921 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728177AbfIQMrm (ORCPT ); Tue, 17 Sep 2019 08:47:42 -0400 Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id x8HClFEW027646; Tue, 17 Sep 2019 14:47:15 +0200 Date: Tue, 17 Sep 2019 14:47:15 +0200 From: Willy Tarreau To: "Ahmed S. Darwish" Cc: "Theodore Y. Ts'o" , Martin Steigerwald , Matthew Garrett , Linus Torvalds , Vito Caputo , Lennart Poettering , Andreas Dilger , Jan Kara , Ray Strode , William Jon McCann , "Alexander E. Patrakov" , zhangjs , linux-ext4@vger.kernel.org, lkml Subject: Re: Linux 5.3-rc8 Message-ID: <20190917124715.GA27634@1wt.eu> References: <20190917052438.GA26923@1wt.eu> <2508489.jOnZlRuxVn@merkaba> <20190917121156.GC6762@mit.edu> <20190917123015.sirlkvy335crozmj@debian-stretch-darwi.lab.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190917123015.sirlkvy335crozmj@debian-stretch-darwi.lab.linutronix.de> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Tue, Sep 17, 2019 at 12:30:15PM +0000, Ahmed S. Darwish wrote: > Sounds good? Sounds good to me except that I'd like to have the option to get poor randoms. getrandom() is used when /dev/urandom is not accessible or painful to use. Until we provide applications with a solution to this fairly common need, the problem will continue to regularly pop up, in a different way ("my application randomly crashes at boot"). Let's get GRND_INSECURE in addition to your change and I think all needs will be properly covered. Thanks, Willy