From: Kees Cook <keescook@chromium.org>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Emese Revfy <re.emese@gmail.com>,
Alexander Popov <alex.popov@linux.com>,
Laura Abbott <labbott@redhat.com>, Jann Horn <jannh@google.com>,
Alexander Potapenko <glider@google.com>,
Kernel Hardening <kernel-hardening@lists.openwall.com>
Subject: Re: [PATCH 1/2] gcc-plugins: structleak: Generalize to all variable types
Date: Sat, 2 Mar 2019 07:43:24 -0800 [thread overview]
Message-ID: <CAGXu5jLwEh-_v_aVm35hSqbX3QzdFOy_AwEa4mmKM8JmWtiKGA@mail.gmail.com> (raw)
In-Reply-To: <CAKv+Gu_+GZ8Ut0nN+za+V48Eo6O27P_go3Dk1rDe1Wederad1Q@mail.gmail.com>
On Sat, Mar 2, 2019 at 1:05 AM Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
>
> On Thu, 28 Feb 2019 at 21:27, Arnd Bergmann <arnd@arndb.de> wrote:
> > I get similar results with asan-stack=1 but without your plugin, only
> > the combination of the two has the explosive stack size growth.
I can look more closely, but I'm not sure it's entirely worth it:
these two may not make sense to build at the same time. (e.g. the
use-after-scope config was disallowed to work with this plugin.)
> > I can help analyze this further, but maybe you can have a look first,
> > there might be something obvious when you read the input to the
> > plugin.
> >
>
> Is this before or after use-after-scope was disabled entirely?
I was wondering the same thing, but I assumed it didn't matter: it
wasn't possible to use both before it was entirely disabled.
--
Kees Cook
next prev parent reply other threads:[~2019-03-02 15:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-12 18:04 [PATCH 0/2] gcc-plugins: structleak: Generalize to all variable types Kees Cook
2019-02-12 18:04 ` [PATCH 1/2] " Kees Cook
2019-02-28 20:27 ` Arnd Bergmann
2019-03-02 9:04 ` Ard Biesheuvel
2019-03-02 15:43 ` Kees Cook [this message]
2019-03-02 22:15 ` Arnd Bergmann
2019-03-04 17:32 ` Kees Cook
2019-03-11 23:05 ` Alexander Popov
2019-03-13 19:01 ` Kees Cook
2019-02-12 18:04 ` [PATCH 2/2] lib: Introduce test_stackinit module Kees Cook
2019-03-11 10:52 ` Geert Uytterhoeven
2019-04-23 22:42 ` Kees Cook
2019-02-15 17:38 ` [PATCH 0/2] gcc-plugins: structleak: Generalize to all variable types Ard Biesheuvel
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