linux-kernel - Re: [PATCH] set*uid() must not fail-and-return on OOM/rlimits

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Message-Id: <1156092315.23756.53.camel@laptopd505.fenrus.org>
Date:	Sun, 20 Aug 2006 18:45:15 +0200
From:	Arjan van de Ven <arjan@...radead.org>
To:	Ulrich Drepper <drepper@...hat.com>
Cc:	Solar Designer <solar@...nwall.com>,
	Alex Riesen <fork0@...rs.sourceforge.net>,
	Willy Tarreau <wtarreau@...a.kernel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] set*uid() must not fail-and-return on OOM/rlimits

On Sun, 2006-08-20 at 09:28 -0700, Ulrich Drepper wrote:
> Arjan van de Ven wrote:
> > sounds like a good argument to get the setuid functions marked
> > __must_check in glibc...
> 
> There are too many false positives.  E.g., in a SUID binaries switching
> back from a non-root UID to root will not fail.

that is not entirely clear; there is apparently a memory allocation in
this codepath which can fail (the patch in this thread is patching
that).....

>   Very common.
> 
-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com

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