Re: [PATCH 2.6.5-mm4] sys_access race fix

From: Chris Wright
Date: Tue Apr 13 2004 - 13:52:34 EST


* Fabian Frederick (Fabian.Frederick@xxxxxxxxx) wrote:
> Andrew,
>
> I'm trying to remove the race in sys_access code.
> AFAICS, fsuid is checked in "permission" level so I pushed real fsuid
> capture forward.At that state, I can task_lock (which was impossible
> before user_walk).Could you tell me if I can improve this one ?

This changes the semantics of the directory checks implicit
during the pathname resolution.

thanks,
-chris
--
Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net
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