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Re: [patch] unprivileged mounts update
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From:
Miklos Szeredi <miklos@...>
To: <jengelh@...>
Cc: <ebiederm@...>, <miklos@...>, <akpm@...>, <serue@...>, <viro@...>, <linuxram@...>, <linux-fsdevel@...>, <linux-kernel@...>, <containers@...>, <hpa@...>
Subject:
Re: [patch] unprivileged mounts update
Date: Thursday, April 26, 2007 - 4:27 pm
> On Apr 25 2007 11:21, Eric W. Biederman wrote:
quoted text
> >> > >> Why did we want to use fsuid, exactly? > > > >- Because ruid is completely the wrong thing we want mounts owned > > by whomever's permissions we are using to perform the mount. > > Think nfs. I access some nfs file as an unprivileged user. knfsd, by > nature, would run as euid=0, uid=0, but it needs fsuid=jengelh for > most permission logic to work as expected.
I don't think knfsd will ever want to call mount(2). But yeah, I've been convinced, that using fsuid is the right thing to do. Miklos -
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Messages in current thread:
[patch] unprivileged mounts update
, Miklos Szeredi
, (Wed Apr 25, 3:45 am)
Re: [patch] unprivileged mounts update
, Miklos Szeredi
, (Wed Apr 25, 11:18 am)
Re: [patch] unprivileged mounts update
, Andrew Morton
, (Wed Apr 25, 3:33 pm)
Re: [patch] unprivileged mounts update
, Miklos Szeredi
, (Wed Apr 25, 3:45 pm)
Re: [patch] unprivileged mounts update
, Eric W. Biederman
, (Wed Apr 25, 1:21 pm)
Re: [patch] unprivileged mounts update
, Jan Engelhardt
, (Thu Apr 26, 3:10 pm)
Re: [patch] unprivileged mounts update
, Miklos Szeredi
, (Thu Apr 26, 4:27 pm)
Re: [patch] unprivileged mounts update
, Jan Engelhardt
, (Fri Apr 27, 3:01 am)
Re: [patch] unprivileged mounts update
, Eric W. Biederman
, (Fri Apr 27, 12:10 am)
Re: [patch] unprivileged mounts update
, Serge E. Hallyn
, (Wed Apr 25, 1:30 pm)
Re: [patch] unprivileged mounts update
, H. Peter Anvin
, (Wed Apr 25, 12:55 pm)
Re: [patch] unprivileged mounts update
, Serge E. Hallyn
, (Wed Apr 25, 1:20 pm)
Re: [patch] unprivileged mounts update
, Eric W. Biederman
, (Wed Apr 25, 1:46 pm)
Re: [patch] unprivileged mounts update
, Serge E. Hallyn
, (Wed Apr 25, 1:56 pm)
Re: [patch] unprivileged mounts update
, Eric W. Biederman
, (Wed Apr 25, 2:41 pm)
Re: [patch] unprivileged mounts update
, Serge E. Hallyn
, (Wed Apr 25, 2:52 pm)
Re: [patch] unprivileged mounts update
, Miklos Szeredi
, (Wed Apr 25, 3:33 pm)
Re: [patch] unprivileged mounts update
, Serge E. Hallyn
, (Thu Apr 26, 10:57 am)
Re: [patch] unprivileged mounts update
, Miklos Szeredi
, (Thu Apr 26, 11:23 am)
Re: [patch] unprivileged mounts update
, Serge E. Hallyn
, (Thu Apr 26, 12:19 pm)
Re: [patch] unprivileged mounts update
, Miklos Szeredi
, (Thu Apr 26, 12:29 pm)
Re: [patch] unprivileged mounts update
, Serge E. Hallyn
, (Thu Apr 26, 3:42 pm)
Re: [patch] unprivileged mounts update
, Miklos Szeredi
, (Thu Apr 26, 3:56 pm)
Re: [patch] unprivileged mounts update
, Serge E. Hallyn
, (Thu Apr 26, 10:10 pm)
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