From: Denys Vlasenko <dvlasenk@redhat.com>
To: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@lists.ozlabs.org
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Kees Cook <keescook@chromium.org>,
Oleg Nesterov <oleg@redhat.com>,
Florian Weimer <fweimer@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] powerpc: Do not make the entire heap executable
Date: Wed, 10 Aug 2016 14:05:04 +0200 [thread overview]
Message-ID: <579d983b-6a6b-1a36-3ba6-ed8c6a756c5f@redhat.com> (raw)
In-Reply-To: <87lh05tf30.fsf@concordia.ellerman.id.au>
On 08/10/2016 06:36 AM, Michael Ellerman wrote:
> Denys Vlasenko <dvlasenk@redhat.com> writes:
>
>> On 32-bit powerps the ELF PLT sections of binaries (built with --bss-plt,
>> or with a toolchain which defaults to it) look like this:
> ...
>>
>> arch/powerpc/include/asm/page.h | 10 +---------
>> arch/powerpc/include/asm/page_32.h | 2 --
>> arch/powerpc/include/asm/page_64.h | 4 ----
>> fs/binfmt_elf.c | 34 ++++++++++++++++++++++++++--------
>> include/linux/mm.h | 1 +
>> mm/mmap.c | 20 +++++++++++++++-----
>> 6 files changed, 43 insertions(+), 28 deletions(-)
>
> What tree is this against?
Linus' tree from before August 2.
The "mm: refuse wrapped vm_brk requests" commit collided with my changes
I'll send patch v4 rebased to today's linus tree as soon as I finish testing it.
prev parent reply other threads:[~2016-08-10 12:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-09 19:08 [PATCH v3] powerpc: Do not make the entire heap executable Denys Vlasenko
2016-08-09 22:43 ` Kees Cook
2016-08-10 12:56 ` Denys Vlasenko
2016-08-10 4:36 ` Michael Ellerman
2016-08-10 12:05 ` Denys Vlasenko [this message]
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