linux-kernel - Re: [RFC PATCH 4/7] kconfig: support new special property shell=

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Message-ID: <CAGXu5jJXn0YgPz9fzrHrWOhQCB_+iN2TJ4AQXjozxh32pBowhQ@mail.gmail.com>
Date:   Sun, 11 Feb 2018 08:54:29 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Ulf Magnusson <ulfalizer@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        "Luis R . Rodriguez" <mcgrof@...e.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Pavel Machek <pavel@....cz>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Jiri Kosina <jkosina@...e.cz>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 4/7] kconfig: support new special property shell=

On Sat, Feb 10, 2018 at 11:28 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> On Sat, Feb 10, 2018 at 8:46 PM, Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
>>
>> Argh. I wanted to get rid of all that entirely, and simplify this all.
>> The mentioned script (and bugzilla) was from 2006, I assumed this was
>> all historical.
>>
>> But if it has broken again since, I guess we need to have a silly script. Grr.
> [...]
> Oh well. It looks like we really have to have those nasty exceptions
> from the normal rules.

Yeah, I was really disappointed to discover the broken gcc case Arnd
had while I was testing the new ..._AUTO option. I thought I was going
to be able to throw away a whole bunch of the complexity too. :( And
this was on top of the recent discussion about raising the minimum gcc
level to a place where there wasn't any need for the "old broken gcc"
stack-protectors checks. But, no, that would have been too easy. :(

-Kees

-- 
Kees Cook
Pixel Security