Message-ID: <1429263462.2850.87.camel@perches.com>
Subject: Re: [PATCH] kasan: Show gcc version requirements in Kconfig and
 Documentation
From: Joe Perches <joe@perches.com>
To: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Sasha Levin <sasha.levin@oracle.com>, Steven Rostedt <rostedt@goodmis.org>,
        linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Guilherme Cox <cox@computer.org>, Tony Luck <tony.luck@gmail.com>,
        Xie XiuQi <xiexiuqi@huawei.com>
Date: Fri, 17 Apr 2015 02:37:42 -0700
In-Reply-To: <5530BC36.3030900@samsung.com>
References: <20150403013802.220157513@goodmis.org>
	 <20150403014123.997385206@goodmis.org> <552E661D.5060502@oracle.com>
	 <20150415100549.09cabb59@gandalf.local.home> <552F0937.4010009@oracle.com>
	 <20150416232116.39cd9f74@grimm.local.home> <5530852A.70202@oracle.com>
	 <1429245851.2850.76.camel@perches.com> <5530BC36.3030900@samsung.com>
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On Fri, 2015-04-17 at 10:54 +0300, Andrey Ryabinin wrote:
> On 04/17/2015 07:44 AM, Joe Perches wrote:
> > The documentation shows a need for gcc > 4.9.2, but it's
> > really >=.  The Kconfig entries don't show require versions
> > so add them.  Correct a latter/later typo too.
[]
> > On Thu, 2015-04-16 at 23:59 -0400, Sasha Levin wrote:
> >> On 04/16/2015 11:21 PM, Steven Rostedt wrote:
> >>> I have no idea what event caused the issue :-/
> >> 4.9.2+ is needed for KASan.
> > 
> > Perhaps the documentation and Kconfig entries could
> > describe that a bit better.
> > 
> 
> Could you also please mention that gcc 5+ is required to detect out of bounds accesses
> to global and stack variables?

You know better than I where and how to describe that.


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