Date: Tue, 21 Mar 2017 22:24:19 +0300
From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: Andy Lutomirski <luto@amacapital.net>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Dmitry Safonov <0x7f454c46@gmail.com>,
        Adam Borowski <kilobyte@angband.pl>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        Andrei Vagin <avagin@gmail.com>, Borislav Petkov <bp@suse.de>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        X86 ML <x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCHv2] x86/mm: set x32 syscall bit in SET_PERSONALITY()
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On Tue, Mar 21, 2017 at 10:19:01PM +0300, Dmitry Safonov wrote:
> > 
> > indeed, thanks!
> 
> Also, even more simple-minded: for now we could just check binary magic
> from /proc/.../exe, for now stopping on x32 binaries.

File may not exist and elfheader wiped out as well.