From: Seth Forshee <seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
To: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Cc: Miklos Szeredi <mszeredi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Linux Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Sargun Dhillon <sargun-GaZTRHToo+CzQB+pC5nmwQ@public.gmane.org>,
Alban Crequy <alban-lYLaGTFnO9sWenYVfaLwtA@public.gmane.org>,
linux-fsdevel
<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] fuse: Ensure posix acls are translated outside of init_user_ns
Date: Tue, 8 May 2018 08:37:50 -0500 [thread overview]
Message-ID: <20180508133750.GA29084__6.70079975879645$1525786555$gmane$org@ubuntu-xps13> (raw)
In-Reply-To: <87r2mre5b3.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
On Fri, May 04, 2018 at 11:47:28AM -0500, Eric W. Biederman wrote:
>
> Ensure the translation happens by failing to read or write
> posix acls when the filesystem has not indicated it supports
> posix acls.
>
> This ensures that modern cached posix acl support is available
> and used when dealing with posix acls. This is important
> because only that path has the code to convernt the uids and
> gids in posix acls into the user namespace of a fuse filesystem.
>
> Signed-off-by: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
> ---
>
> Miklos after several attempts to handle this better last cycle. I
> figure we should go with the stupid version for now. I think I know
> how to do better but I don't want that to gate forward progress on
> fully unprivileged fuse mounts. Especially as this is the last known
> issue to deal with.
This seems reasonable as a short-term measure.
Acked-by: Seth Forshee <seth.forshee-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
next parent reply other threads:[~2018-05-08 13:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87r2mre5b3.fsf@xmission.com>
[not found] ` <87r2mre5b3.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-05-08 13:37 ` Seth Forshee [this message]
2018-05-23 16:11 ` [PATCH] fuse: Ensure posix acls are translated outside of init_user_ns Eric W. Biederman
[not found] ` <87wovubbdf.fsf@xmission.com>
[not found] ` <87wovubbdf.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-05-29 12:42 ` Eric W. Biederman
[not found] ` <877enmskec.fsf@xmission.com>
[not found] ` <877enmskec.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-05-29 12:55 ` Miklos Szeredi
[not found] ` <CAOssrKdS9gOsZrNfqJbk_j0Z8-hrqrYWW+=_Z5mUEX1KE-Kw6Q@mail.gmail.com>
[not found] ` <CAOssrKdS9gOsZrNfqJbk_j0Z8-hrqrYWW+=_Z5mUEX1KE-Kw6Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-05-29 14:02 ` Eric W. Biederman
[not found] ` <87zi0io90k.fsf@xmission.com>
[not found] ` <87zi0io90k.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-05-29 14:04 ` [PATCH] fuse: Allow fully unprivileged mounts Eric W. Biederman
[not found] ` <87tvqqo8w1.fsf_-_-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-05-31 14:45 ` Miklos Szeredi
2018-05-04 16:47 [PATCH] fuse: Ensure posix acls are translated outside of init_user_ns Eric W. Biederman
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