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From: Kees Cook <keescook@chromium.org>
To: Emese Revfy <re.emese@gmail.com>
Cc: kbuild test robot <fengguang.wu@intel.com>,
	kbuild-all@01.org, LKML <linux-kernel@vger.kernel.org>,
	"pageexec@freemail.hu" <pageexec@freemail.hu>,
	"spender@grsecurity.net" <spender@grsecurity.net>
Subject: Re: drivers/pci/hotplug/ibmphp_ebda.c:409:1: warning: the frame size of 1108 bytes is larger than 1024 bytes
Date: Tue, 18 Oct 2016 15:05:39 -0700	[thread overview]
Message-ID: <CAGXu5jKtrx5N1ctnQgqU7sf3ptCZ93YepzB50_MjDyi0MfXpwA@mail.gmail.com> (raw)
In-Reply-To: <20161018233645.ed29e83f81404f09a627287e@gmail.com>

On Tue, Oct 18, 2016 at 2:36 PM, Emese Revfy <re.emese@gmail.com> wrote:
> On Tue, 18 Oct 2016 13:57:35 -0700
> Kees Cook <keescook@chromium.org> wrote:
>
>> This is controlled by CONFIG_FRAME_WARN. I don't think this is a
>> particular problem or should be avoided, but perhaps we can set the
>> default to 2048 (as done on 64BIT) if we're building with the entropy
>> plugin.
>
> This is probably a gcc code generation bug on i386 when a plugin uses too many 64 bit variables
> so I think PaX Team's patch will be the best solution.

Okay, cool. If you're able, please CC me with the fix when it happens. :)

Thanks!

-Kees

-- 
Kees Cook
Nexus Security

  reply	other threads:[~2016-10-18 22:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-15 22:52 drivers/pci/hotplug/ibmphp_ebda.c:409:1: warning: the frame size of 1108 bytes is larger than 1024 bytes kbuild test robot
2016-10-17 21:37 ` Emese Revfy
2016-10-18 20:57   ` Kees Cook
2016-10-18 21:36     ` Emese Revfy
2016-10-18 22:05       ` Kees Cook [this message]
2016-10-18 22:17         ` Emese Revfy

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