From: Rik van Riel <riel@redhat.com>
To: David Laight <David.Laight@ACULAB.COM>,
'Kees Cook' <keescook@chromium.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Jan Kara <jack@suse.cz>,
"kernel-hardening@lists.openwall.com"
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"David S. Miller" <davem@davemloft.net>
Subject: [kernel-hardening] Re: [PATCH v3 00/11] mm: Hardened usercopy
Date: Wed, 20 Jul 2016 12:22:07 -0400 [thread overview]
Message-ID: <1469031727.30053.71.camel@redhat.com> (raw)
In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D5F4FEA62@AcuExch.aculab.com>
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On Wed, 2016-07-20 at 16:02 +0000, David Laight wrote:
> From: Kees Cook
> > Sent: 20 July 2016 16:32
> ...
> > Yup: that's exactly what it's doing: walking up the stack. :)
>
> Remind me to make sure all our customers run kernels with it
> disabled.
You want a single copy_from_user to write to data in
multiple stack frames?
--
All Rights Reversed.
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next prev parent reply other threads:[~2016-07-20 16:22 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-15 21:44 [kernel-hardening] [PATCH v3 00/11] mm: Hardened usercopy Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 01/11] mm: Implement stack frame object validation Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 02/11] mm: Hardened usercopy Kees Cook
2016-07-19 1:06 ` [kernel-hardening] " Laura Abbott
2016-07-19 18:48 ` Kees Cook
2016-07-19 22:00 ` [kernel-hardening] [PATCH] mm: Add is_migrate_cma_page Laura Abbott
2016-07-19 22:40 ` [kernel-hardening] " Kees Cook
2016-07-20 10:24 ` [kernel-hardening] Re: [PATCH v3 02/11] mm: Hardened usercopy Balbir Singh
2016-07-20 15:36 ` Laura Abbott
2016-07-19 1:52 ` Laura Abbott
2016-07-19 19:12 ` Kees Cook
2016-07-19 22:55 ` Kees Cook
2016-07-19 9:21 ` Christian Borntraeger
2016-07-19 19:31 ` Kees Cook
2016-07-19 20:14 ` Christian Borntraeger
2016-07-19 20:34 ` Kees Cook
2016-07-19 20:44 ` Christian Borntraeger
2016-07-21 6:52 ` Michael Ellerman
[not found] ` <5790711f.2350420a.b4287.2cc0SMTPIN_ADDED_BROKEN@mx.google.com>
2016-07-21 18:34 ` Kees Cook
2016-07-22 17:45 ` Josh Poimboeuf
2016-07-25 9:27 ` [kernel-hardening] " David Laight
2016-07-26 2:09 ` Michael Ellerman
2016-07-26 2:03 ` [kernel-hardening] " Michael Ellerman
2016-07-26 4:46 ` Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 03/11] x86/uaccess: Enable hardened usercopy Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 04/11] ARM: uaccess: " Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 05/11] arm64/uaccess: " Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 06/11] ia64/uaccess: " Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 07/11] powerpc/uaccess: " Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 08/11] sparc/uaccess: " Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 09/11] s390/uaccess: " Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 10/11] mm: SLAB hardened usercopy support Kees Cook
2016-07-15 21:44 ` [kernel-hardening] [PATCH v3 11/11] mm: SLUB " Kees Cook
2016-07-18 8:26 ` [kernel-hardening] Re: [PATCH v3 00/11] mm: Hardened usercopy Balbir Singh
2016-07-20 9:52 ` [kernel-hardening] " David Laight
2016-07-20 15:31 ` [kernel-hardening] " Kees Cook
2016-07-20 16:02 ` [kernel-hardening] " David Laight
2016-07-20 16:22 ` Rik van Riel [this message]
2016-07-20 17:44 ` [kernel-hardening] " Kees Cook
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