linux-kernel - Re: [PATCH] add some long-missing capabilities to fs

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Message-ID: <13502.1239656608@turing-police.cc.vt.edu>
Date:	Mon, 13 Apr 2009 17:03:28 -0400
From:	Valdis.Kletnieks@...edu
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	mtk.manpages@...il.com, Stephen Smalley <sds@...ch.ncsc.mil>,
	Andrew Morgan <morgan@...nel.org>,
	linux-security-module@...r.kernel.org,
	lkml <linux-kernel@...r.kernel.org>, linux-nfs@...r.kernel.org,
	Igor Zhbanov <izh1979@...il.com>,
	"J. Bruce Fields" <bfields@...i.umich.edu>, stable@...nel.org,
	linux-api@...r.kernel.org, Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH] add some long-missing capabilities to fs_mask

On Mon, 13 Apr 2009 09:56:14 CDT, "Serge E. Hallyn" said:
> When POSIX capabilities were introduced during the 2.1 Linux
> cycle, the fs mask, which represents the capabilities which having
> fsuid==0 is supposed to grant, did not include CAP_MKNOD and
> CAP_LINUX_IMMUTABLE.  However, before capabilities the privilege
> to call these did in fact depend upon fsuid==0.

Wow. How did this manage to stay un-noticed for this long?

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