linux-kernel - Re: [PATCH 5/6] Pmalloc: self-test

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Message-ID: <bd11826b-f3c1-be03-895c-85c08a149045@huawei.com>
Date:   Tue, 20 Feb 2018 18:40:04 +0200
From:   Igor Stoppa <igor.stoppa@...wei.com>
To:     Kees Cook <keescook@...omium.org>
CC:     Matthew Wilcox <willy@...radead.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Jonathan Corbet <corbet@....net>,
        Michal Hocko <mhocko@...nel.org>,
        Laura Abbott <labbott@...hat.com>,
        Jerome Glisse <jglisse@...hat.com>,
        Christoph Hellwig <hch@...radead.org>,
        "Christoph Lameter" <cl@...ux.com>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH 5/6] Pmalloc: self-test


On 13/02/18 01:43, Kees Cook wrote:
> On Mon, Feb 12, 2018 at 8:53 AM, Igor Stoppa <igor.stoppa@...wei.com> wrote:

[...]

>> +obj-$(CONFIG_PROTECTABLE_MEMORY_SELFTEST) += pmalloc-selftest.o
> 
> Nit: self-test modules are traditionally named "test_$thing.o"
> (outside of the tools/ directory).

ok

[...]

> I wonder if lkdtm should grow a test too, to validate the RO-ness of
> the allocations at the right time in API usage?

sorry for being dense ... are you proposing that I do something to
lkdtm_rodata.c ? An example would probably help me understand.

--
igor