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=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 4A3D4C43603 for ; Wed, 18 Dec 2019 19:32:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C79F206D8 for ; Wed, 18 Dec 2019 19:32:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=umich.edu header.i=@umich.edu header.b="k5I4begd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726824AbfLRTcF (ORCPT ); Wed, 18 Dec 2019 14:32:05 -0500 Received: from mail-vs1-f52.google.com ([209.85.217.52]:37362 "EHLO mail-vs1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726698AbfLRTcF (ORCPT ); Wed, 18 Dec 2019 14:32:05 -0500 Received: by mail-vs1-f52.google.com with SMTP id x18so2171256vsq.4 for ; Wed, 18 Dec 2019 11:32:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=umich.edu; s=google-2016-06-03; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ffW+fMDsvQTf+KkJ/1o6lvUICgqwjx6Ck6Xjq8VPv6Y=; b=k5I4begdCA/JToQGOCGogVRv8kHwq8GfBWCxgPywIK9nOS1IjsWbJVazyAFnCw3OXI 6TvX8IOY450vAxZXHoEPT/KSTo56Z+Y4AcI1+nz3hMEj6Jd/gUNnfNe3cnTBZt1ZimbZ GbxrsMyvNjVqTc4z7XaJSDedtRDrX1YPu/y4yQvrMTykg+JL1HBAM1jJsRGrQoc3MhWy z606zzHKmYODbV4JK9nAmk8fVRhD9SencOebgvcFaeBgysqt+G2pI65ANByV4cKiBwD9 q4a+ULSnBxV7Gyxf6QRTN2dQ2zca/Ls1CTxgw247p61oKZ7DN99bh4zPd1RwA4PiME/M ZN+g== 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=ffW+fMDsvQTf+KkJ/1o6lvUICgqwjx6Ck6Xjq8VPv6Y=; b=a9gBG6ut9iKQgoq1VmaqimQDSWOFs3vAaIDyhKrwu4zvUbHyFWSh9REZw2UUCxg/f/ KHI1vekb1P7HgxfhiY3sWvJSc2uL7zZrYMtz55BWglD7ZEps1khNZP5zmPN/9V++IthX +5jnilm4/SnwPupe2NY5E5OhfBqdX25wnI2/sRXMste1jZghEpNKyI/rIE4l2mzDK87N zY72Y+W0JpFanYoeRKsFeEiFwXqHSu8qA5Jocq/xtjkUiZjlSS4ctG4nlxPz/8Hp2m3b 1myM/E3XrkpXxWMQ7d3fi1ASVZqbimStxI7Ix9SCYH8REsk/T5UokhQJoCkrbiZPQV8d yYrw== X-Gm-Message-State: APjAAAXFxcfXYs8JvfstNKGX9t2MtKLzrZkOwi6BeqSsyBl2gtTr/C5j 0P2siJimz9ra4tC/TDsafLnW8akxFc4P/V9y6urCJg== X-Google-Smtp-Source: APXvYqyEdlcrnrC+mk1/o0BTM7RzvUUAGGypUzc1KalpKVs0Y9mxIAGEILq9PICiYDKRd1e3khBX8sJe67AMIjq50ic= X-Received: by 2002:a67:c90d:: with SMTP id w13mr2663124vsk.164.1576697524199; Wed, 18 Dec 2019 11:32:04 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Olga Kornievskaia Date: Wed, 18 Dec 2019 14:31:52 -0500 Message-ID: Subject: Re: acls+kerberos (limitation) To: Trond Myklebust Cc: "linux-nfs@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On Wed, Dec 18, 2019 at 2:05 PM Trond Myklebust wrote: > > On Wed, 2019-12-18 at 12:47 -0500, Olga Kornievskaia wrote: > > Hi folks, > > > > Is this a well know but undocumented fact that you can't set large > > amount of acls (over 4096bytes, ~90acls) while mounted using > > krb5i/krb5p? That if you want to get/set large acls, it must be done > > over auth_sys/krb5? > > > > It's certainly not something that I was aware of. Do you see where that > limitation is coming from? I haven't figure it exactly but gss_unwrap_resp_integ() is failing in if (mic_offset > rcv_buf->len). I'm just not sure who sets up the buffer (or why rvc_buf->len is (4280) larger than a page can a page-limit might make sense to for me but it's not). So you think it should have been working. > -- > Trond Myklebust > Linux NFS client maintainer, Hammerspace > trond.myklebust@hammerspace.com > >