From: Chet Ramey <chet.ramey@case.edu>
To: David Howells <dhowells@redhat.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <christian@brauner.io>
Cc: chet.ramey@case.edu, Marc Dionne <marc.dionne@auristor.com>,
Jeffrey Altman <jaltman@auristor.com>,
Steve French <sfrench@samba.org>,
linux-afs@lists.infradead.org, openafs-devel@openafs.org,
linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
Etienne Champetier <champetier.etienne@gmail.com>,
Cheyenne Wills <cwills@sinenomine.net>,
Christian Brauner <brauner@kernel.org>
Subject: Re: [PATCH v2 2/2] afs, bash: Fix open(O_CREAT) on an extant AFS file in a sticky dir
Date: Thu, 23 Jul 2026 11:16:31 -0400 [thread overview]
Message-ID: <e7575f17-9546-452c-ad08-d908adeb72e5@case.edu> (raw)
In-Reply-To: <20260723140047.702495-3-dhowells@redhat.com>
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On 7/23/26 10:00 AM, David Howells wrote:
> As a result the Bash fallback logic masks an incompatibility between the
> ownership checks performed by may_create_in_sticky() and network
> filesystems such as AFS where the uid namespace is disjoint from the uid
> namespace of the local system.
>
> However, the bash work around is going to be removed[2].
This was removed in bash-5.3, the current version. That may not make as big
a difference as you think -- some Linux distributions still ship with
bash-4.2 -- but it will become more common over time.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
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prev parent reply other threads:[~2026-07-23 15:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-23 14:00 [PATCH v2 0/2] vfs, afs, bash: Fix miscomparison of foreign user IDs in the VFS David Howells
2026-07-23 14:00 ` [PATCH v2 1/2] vfs: Allow filesystems with foreign owner IDs to override UID checks David Howells
2026-07-23 14:00 ` [PATCH v2 2/2] afs, bash: Fix open(O_CREAT) on an extant AFS file in a sticky dir David Howells
2026-07-23 15:16 ` Chet Ramey [this message]
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