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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 95B71C11D00 for ; Thu, 20 Feb 2020 23:08:46 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id E4D60208E4 for ; Thu, 20 Feb 2020 23:08:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="eERYNg5p" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E4D60208E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17873-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 28104 invoked by uid 550); 20 Feb 2020 23:08:40 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 28084 invoked from network); 20 Feb 2020 23:08:40 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=8oe6NGrWHTfgph3/inQD25AzfwK01P8Rirv0Se4y4rY=; b=eERYNg5pIV17feq4MuZzbw+6+6UOz8wPDMox8sHvl6LW5lyeCJiNPLjaaiAnC6tgNr k4eFpoUVZrOY+nWuuaeOf69/y2kMFcR2Xyd4iQCdWpyjSB4kE6JLltV8O5wbI2adfQ2q gkwegZ8+VoH9h8WqrHWMh85pZ16PVGc+EW3II= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=8oe6NGrWHTfgph3/inQD25AzfwK01P8Rirv0Se4y4rY=; b=MULcFupczTUhpRj2B23/rDNzEH5UQF7H4j8vE41yJQow/u8+qJuDE/kODOOj4UoxlX XWBFIS/dI9Ubx43gVLXW9ZjMPH6JzBreTSyQOOYhLJBgJydGLRVs82vVq1WFTaCUKcQ1 eAOG+/SQb+P5usLERp6S+5T2sWv+Tnlyxnlquwh000YW68u+3nPhbho/bqFtsW+REvxo rry+4+a41JNG1Jqt/yslBitKKbP04kxB/DLDbvZTpSvd3c9IuE/qVoSl7qp7R/bLMvvx Ogx0aXmAP6bU4W7Bj0t2ka58XZlOGFWhT5DNcMAWkuly4hUpdXMYJqrwDHNJWD1aZQ/w xBJQ== X-Gm-Message-State: APjAAAUMPPhQRJqhtH9cP03x/9sw5au2jDOCMovgwV1VrGLKpAQLxYgW vfkO8CNkBUr5YQNBWwAWiQ5hWjG9aqQ= X-Google-Smtp-Source: APXvYqzgpGPhh7mvyxr1rielk3zboBfB6IjUzGJTMstY/pMEHGl2vMjSASyfh3Mr/jOpCnWaAJX8aw== X-Received: by 2002:a17:906:2596:: with SMTP id m22mr31923395ejb.167.1582240108449; Thu, 20 Feb 2020 15:08:28 -0800 (PST) X-Received: by 2002:a2e:97cc:: with SMTP id m12mr19768759ljj.241.1582239758414; Thu, 20 Feb 2020 15:02:38 -0800 (PST) MIME-Version: 1.0 References: <20200210150519.538333-8-gladkov.alexey@gmail.com> <87v9odlxbr.fsf@x220.int.ebiederm.org> <20200212144921.sykucj4mekcziicz@comp-core-i7-2640m-0182e6> <87tv3vkg1a.fsf@x220.int.ebiederm.org> <87v9obipk9.fsf@x220.int.ebiederm.org> <20200212200335.GO23230@ZenIV.linux.org.uk> <20200212203833.GQ23230@ZenIV.linux.org.uk> <20200212204124.GR23230@ZenIV.linux.org.uk> <87lfp7h422.fsf@x220.int.ebiederm.org> <87pnejf6fz.fsf@x220.int.ebiederm.org> <871rqpaswu.fsf_-_@x220.int.ebiederm.org> In-Reply-To: <871rqpaswu.fsf_-_@x220.int.ebiederm.org> From: Linus Torvalds Date: Thu, 20 Feb 2020 15:02:22 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 0/7] proc: Dentry flushing without proc_mnt To: "Eric W. Biederman" Cc: Al Viro , LKML , Kernel Hardening , Linux API , Linux FS Devel , Linux Security Module , Akinobu Mita , Alexey Dobriyan , Andrew Morton , Andy Lutomirski , Daniel Micay , Djalal Harouni , "Dmitry V . Levin" , Greg Kroah-Hartman , Ingo Molnar , "J . Bruce Fields" , Jeff Layton , Jonathan Corbet , Kees Cook , Oleg Nesterov , Solar Designer Content-Type: text/plain; charset="UTF-8" On Thu, Feb 20, 2020 at 12:48 PM Eric W. Biederman wrote: > > Linus, does this approach look like something you can stand? A couple of worries, although one of them seem to have already been resolved by Al. I think the real gatekeeper should be Al in general. But other than the small comments I had, I think this might work just fine. Al? Linus