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Message-ID: <CAGXu5jKtgY7DzUOBeUvuzgewE3x7+AntMBdRmRZnJgODhNOfnA@mail.gmail.com>
Date: Fri, 16 Dec 2016 14:19:51 -0800
From: Kees Cook <keescook@...omium.org>
To: PaX Team <pageexec@...email.hu>
Cc: LKML <linux-kernel@...r.kernel.org>, Emese Revfy <re.emese@...il.com>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, Arnd Bergmann <arnd@...db.de>,
Brad Spengler <spender@...ecurity.net>
Subject: Re: [PATCH] latent_entropy: fix ARM build error on earlier gcc
On Fri, Dec 16, 2016 at 2:17 PM, PaX Team <pageexec@...email.hu> wrote:
> On 16 Dec 2016 at 13:06, Kees Cook wrote:
>
>> This fixes build errors seen on gcc-4.9.3 or gcc-5.3.1 for an ARM:
>>
>> arm-soc/init/initramfs.c: In function 'error':
>> arm-soc/init/initramfs.c:50:1: error: unrecognizable insn:
>> }
>> ^
>> (insn 26 25 27 5 (set (reg:SI 111 [ local_entropy.243 ])
>> (rotatert:SI (reg:SI 116 [ local_entropy.243 ])
>> (const_int -30 [0xffffffffffffffe2]))) -1
>> (nil))
>>
>> Patch from PaX Team <pageexec@...email.hu>
>>
>> Reported-by: Arnd Bergmann <arnd@...db.de>
>> Reported-by: Brad Spengler <spender@...ecurity.net>
>> Signed-off-by: Kees Cook <keescook@...omium.org>
>
> Cc: stable@...r.kernel.org perhaps?
Ah yes, good catch.
-Kees
--
Kees Cook
Nexus Security
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