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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6B46C33CA8 for ; Mon, 13 Jan 2020 03:54:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A969E2082E for ; Mon, 13 Jan 2020 03:54:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387473AbgAMDyY (ORCPT ); Sun, 12 Jan 2020 22:54:24 -0500 Received: from zeniv.linux.org.uk ([195.92.253.2]:44262 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387417AbgAMDyY (ORCPT ); Sun, 12 Jan 2020 22:54:24 -0500 Received: from viro by ZenIV.linux.org.uk with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1iqqnn-0071ej-1H; Mon, 13 Jan 2020 03:54:07 +0000 Date: Mon, 13 Jan 2020 03:54:07 +0000 From: Al Viro To: Ian Kent Cc: Aleksa Sarai , David Howells , Eric Biederman , Linus Torvalds , stable@vger.kernel.org, Christian Brauner , Serge Hallyn , dev@opencontainers.org, containers@lists.linux-foundation.org, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH RFC 0/1] mount: universally disallow mounting over symlinks Message-ID: <20200113035407.GQ8904@ZenIV.linux.org.uk> References: <20191230072959.62kcojxpthhdwmfa@yavin.dot.cyphar.com> <20200101004324.GA11269@ZenIV.linux.org.uk> <20200101005446.GH4203@ZenIV.linux.org.uk> <20200101030815.GA17593@ZenIV.linux.org.uk> <20200101144407.ugjwzk7zxrucaa6a@yavin.dot.cyphar.com> <20200101234009.GB8904@ZenIV.linux.org.uk> <20200102035920.dsycgxnb6ba2jhz2@yavin.dot.cyphar.com> <20200103014901.GC8904@ZenIV.linux.org.uk> <20200110231945.GL8904@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Jan 13, 2020 at 09:48:23AM +0800, Ian Kent wrote: > I did try this patch and I was trying to work out why it didn't > work. But thought I'd let you know what I saw. > > Applying it to current Linus tree systemd stops at switch root. > > Not sure what causes that, I couldn't see any reason for it. Wait a minute... So you are seeing problems early in the boot, before any autofs ioctls might come into play? Sigh... Guess I'll have to dig that Fedora KVM image out and try to see what it's about... ;-/ Here comes a couple of hours of build...