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Message-ID: <fb051386-4913-9442-f051-23ed25802c9e@linux.com>
Date: Wed, 10 Jun 2020 18:52:10 +0300
From: Alexander Popov <alex.popov@...ux.com>
To: Kees Cook <keescook@...omium.org>
Cc: Emese Revfy <re.emese@...il.com>,
 Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
 Masahiro Yamada <masahiroy@...nel.org>,
 Michal Marek <michal.lkml@...kovi.net>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Masahiro Yamada <yamada.masahiro@...ionext.com>,
 Thiago Jung Bauermann <bauerman@...ux.ibm.com>,
 Luis Chamberlain <mcgrof@...nel.org>, Jessica Yu <jeyu@...nel.org>,
 Sven Schnelle <svens@...ckframe.org>, Iurii Zaikin <yzaikin@...gle.com>,
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Vincenzo Frascino <vincenzo.frascino@....com>,
 Thomas Gleixner <tglx@...utronix.de>, Peter Collingbourne <pcc@...gle.com>,
 Naohiro Aota <naohiro.aota@....com>, Alexander Monakov <amonakov@...ras.ru>,
 Mathias Krause <minipli@...glemail.com>, PaX Team <pageexec@...email.hu>,
 Brad Spengler <spender@...ecurity.net>, Laura Abbott <labbott@...hat.com>,
 Florian Weimer <fweimer@...hat.com>, kernel-hardening@...ts.openwall.com,
 linux-kbuild@...r.kernel.org, x86@...nel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 gcc@....gnu.org, notify@...nel.org
Subject: Re: [PATCH 3/5] gcc-plugins/stackleak: Add 'verbose' plugin parameter

On 09.06.2020 21:47, Kees Cook wrote:
> On Thu, Jun 04, 2020 at 04:49:55PM +0300, Alexander Popov wrote:
>> Add 'verbose' plugin parameter for stackleak gcc plugin.
>> It can be used for printing additional info about the kernel code
>> instrumentation.
>>
>> For using it add the following to scripts/Makefile.gcc-plugins:
>>   gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK) \
>>     += -fplugin-arg-stackleak_plugin-verbose
>>
>> Signed-off-by: Alexander Popov <alex.popov@...ux.com>
> 
> Acked-by: Kees Cook <keescook@...omium.org>

I see that I will change this patch after leaving alloca() support.
I'm going to add debug printing about functions that call alloca().
I have to omit your 'acked-by' for the changed patch, right?

Best regards,
Alexander

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