linux-kernel - Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170207194742.GA4393@infradead.org>
Date:   Tue, 7 Feb 2017 11:47:42 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     James Bottomley <James.Bottomley@...senPartnership.com>
Cc:     "J. Bruce Fields" <bfields@...ldses.org>,
        Theodore Ts'o <tytso@....edu>,
        "J. R. Okajima" <hooanon05g@...il.com>,
        Djalal Harouni <tixxdz@...il.com>, Chris Mason <clm@...com>,
        Josh Triplett <josh@...htriplett.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Andy Lutomirski <luto@...nel.org>,
        Seth Forshee <seth.forshee@...onical.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        Dongsu Park <dongsu@...ocode.com>,
        David Herrmann <dh.herrmann@...glemail.com>,
        Miklos Szeredi <mszeredi@...hat.com>,
        Alban Crequy <alban.crequy@...il.com>,
        Al Viro <viro@...IV.linux.org.uk>,
        "Serge E. Hallyn" <serge@...lyn.com>, Phil Estes <estesp@...il.com>
Subject: Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount

On Tue, Feb 07, 2017 at 11:01:08AM -0800, James Bottomley wrote:
> I was talking about inode stability in the filesystem underlying the
> export.  I believe you're talking about inode number stability
> guarantees of the nfs client code itself, which are unrelated to the
> inode number guarantees of the exported filesystem?

They are 1:1 correlated for a Linux server at least.