From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Dave Hansen <dave.hansen@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
kirill.shutemov@linux.intel.com, shuah@kernel.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH] [v2] selftests, x86, pkeys: test with random, unallocated protection keys
Date: Fri, 24 Feb 2017 16:31:33 +0300 [thread overview]
Message-ID: <20170224133133.GA3796@node.shutemov.name> (raw)
In-Reply-To: <20170224002339.672BEF68@viggo.jf.intel.com>
On Thu, Feb 23, 2017 at 04:23:39PM -0800, Dave Hansen wrote:
>
>
> Changes from v1:
> * Also generate random negative numbers for protection key
>
> --
> From: Dave Hansen <dave.hansen@linux.intel.com>
>
> The kernel pkeys code had a minor bug where it did some large shifts
> to an integer which is undefined behavior in C. It didn't cause any
> real harm, but it is screwy behavior that the kernel should have
> rejected.
>
> Add a test case for this.
>
> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
--
Kirill A. Shutemov
prev parent reply other threads:[~2017-02-24 13:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-24 0:23 [PATCH] [v2] selftests, x86, pkeys: test with random, unallocated protection keys Dave Hansen
2017-02-24 13:31 ` Kirill A. Shutemov [this message]
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