From: Kees Cook <keescook@chromium.org>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Morton <akpm@linux-foundation.org>,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Helge Deller <deller@gmx.de>, Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org,
linux-arch@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v1 07/10] lkdtm: Force do_nothing() out of line
Date: Wed, 13 Oct 2021 00:02:41 -0700 [thread overview]
Message-ID: <202110130002.0FC7878252@keescook> (raw)
In-Reply-To: <b353a85e50ac336c385b46459a5fc43f4a6171ac.1633964380.git.christophe.leroy@csgroup.eu>
On Mon, Oct 11, 2021 at 05:25:34PM +0200, Christophe Leroy wrote:
> LKDTM tests display that the run do_nothing() at a given
> address, but in reality do_nothing() is inlined into the
> caller.
>
> Force it out of line so that it really runs text at the
> displayed address.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
next prev parent reply other threads:[~2021-10-13 7:02 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-11 15:25 [PATCH v1 00/10] Fix LKDTM for PPC64/IA64/PARISC Christophe Leroy
2021-10-11 15:25 ` [PATCH v1 01/10] powerpc: Move 'struct ppc64_opd_entry' back into asm/elf.h Christophe Leroy
2021-10-12 7:10 ` Michael Ellerman
2021-10-12 8:02 ` Arnd Bergmann
2021-10-13 6:59 ` Kees Cook
2021-10-11 15:25 ` [PATCH v1 02/10] powerpc: Rename 'funcaddr' to 'addr' in 'struct ppc64_opd_entry' Christophe Leroy
2021-10-13 6:59 ` Kees Cook
2021-10-11 15:25 ` [PATCH v1 03/10] ia64: Rename 'ip' to 'addr' in 'struct fdesc' Christophe Leroy
2021-10-13 6:59 ` Kees Cook
2021-10-11 15:25 ` [PATCH v1 04/10] asm-generic: Use HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR to define associated stubs Christophe Leroy
2021-10-12 6:02 ` Helge Deller
2021-10-12 6:11 ` Christophe Leroy
2021-10-12 6:48 ` Helge Deller
2021-10-13 7:00 ` Kees Cook
2021-10-14 7:20 ` Christophe Leroy
2021-10-11 15:25 ` [PATCH v1 05/10] asm-generic: Define 'funct_descr_t' to commonly describe function descriptors Christophe Leroy
2021-10-13 7:01 ` Kees Cook
2021-10-13 7:23 ` Christophe Leroy
2021-10-13 7:27 ` Kees Cook
2021-10-11 15:25 ` [PATCH v1 06/10] asm-generic: Refactor dereference_[kernel]_function_descriptor() Christophe Leroy
2021-10-13 7:02 ` Kees Cook
2021-10-13 11:20 ` Christophe Leroy
2021-10-13 11:34 ` Arnd Bergmann
2021-10-11 15:25 ` [PATCH v1 07/10] lkdtm: Force do_nothing() out of line Christophe Leroy
2021-10-13 7:02 ` Kees Cook [this message]
2021-10-11 15:25 ` [PATCH v1 08/10] lkdtm: Really write into kernel text in WRITE_KERN Christophe Leroy
2021-10-13 7:05 ` Kees Cook
2021-10-13 7:29 ` Christophe Leroy
2021-10-11 15:25 ` [PATCH v1 09/10] lkdtm: Fix lkdtm_EXEC_RODATA() Christophe Leroy
2021-10-13 7:09 ` Kees Cook
2021-10-13 7:35 ` Christophe Leroy
2021-10-13 7:23 ` Kees Cook
2021-10-13 7:39 ` Christophe Leroy
2021-10-13 7:48 ` Christophe Leroy
2021-10-13 12:45 ` Christophe Leroy
2021-10-11 15:25 ` [PATCH v1 10/10] lkdtm: Fix execute_[user]_location() Christophe Leroy
2021-10-13 7:16 ` Kees Cook
2021-10-13 12:00 ` Christophe Leroy
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