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

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Message-ID: <20060820162550.GB20249@openwall.com>
Date:	Sun, 20 Aug 2006 20:25:50 +0400
From:	Solar Designer <solar@...nwall.com>
To:	Florian Weimer <fw@...eb.enyo.de>
Cc:	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, Aug 20, 2006 at 06:04:51PM +0200, Florian Weimer wrote:
> Distributors have already begun to patch userland to check for error
> returns.  Arguably, this is the correct approach, but I fear it takes
> far too long to fix all callers.

My opinion is that both userland apps need to (be patched to) check for
error returns from set*[ug]id() and the kernel must not let these calls
fail-and-return when the caller is appropriately privileged.

Alexander
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