From: Andreas Schwab <schwab@suse.de>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Fix msr check in compat_sys_swapcontext
Date: Thu, 06 Nov 2008 10:23:16 +0100 [thread overview]
Message-ID: <jey6zx9piz.fsf@sykes.suse.de> (raw)
In-Reply-To: <18706.16317.759662.855430@cargo.ozlabs.ibm.com> (Paul Mackerras's message of "Thu, 6 Nov 2008 11:52:13 +1100")
Paul Mackerras <paulus@samba.org> writes:
> we need to use get_user, not __get_user, since we haven't done an
> access_ok() check on the address.
The address is always ok since its a compat pointer, see do_setcontext.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2008-11-06 9:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-05 12:30 [PATCH] Fix msr check in compat_sys_swapcontext Andreas Schwab
2008-11-06 0:52 ` Paul Mackerras
2008-11-06 9:23 ` Andreas Schwab [this message]
2008-11-06 10:36 ` Paul Mackerras
2008-11-06 10:49 ` Andreas Schwab
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