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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()
Date: Tue, 21 Mar 2017 22:24:19 +0300	[thread overview]
Message-ID: <20170321192419.GF21564@uranus.lan> (raw)
In-Reply-To: <dfdb16d4-aa6e-8635-1ea5-f6ac57b1dd05@virtuozzo.com>

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.

WARNING: multiple messages have this Message-ID (diff)
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()
Date: Tue, 21 Mar 2017 22:24:19 +0300	[thread overview]
Message-ID: <20170321192419.GF21564@uranus.lan> (raw)
In-Reply-To: <dfdb16d4-aa6e-8635-1ea5-f6ac57b1dd05@virtuozzo.com>

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.

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  reply	other threads:[~2017-03-21 19:26 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-21 16:37 [PATCHv2] x86/mm: set x32 syscall bit in SET_PERSONALITY() Dmitry Safonov
2017-03-21 16:37 ` Dmitry Safonov
2017-03-21 17:17 ` Cyrill Gorcunov
2017-03-21 17:17   ` Cyrill Gorcunov
2017-03-21 17:45   ` Andy Lutomirski
2017-03-21 17:45     ` Andy Lutomirski
2017-03-21 18:05     ` [Q] Figuring out task mode Cyrill Gorcunov
2017-03-21 18:05       ` Cyrill Gorcunov
2017-03-21 23:54       ` Andy Lutomirski
2017-03-21 23:54         ` Andy Lutomirski
2017-03-21 18:09     ` [PATCHv2] x86/mm: set x32 syscall bit in SET_PERSONALITY() Dmitry Safonov
2017-03-21 18:09       ` Dmitry Safonov
2017-03-21 18:40       ` Cyrill Gorcunov
2017-03-21 18:40         ` Cyrill Gorcunov
2017-03-21 18:51         ` hpa
2017-03-21 18:51           ` hpa
2017-03-21 19:07           ` Cyrill Gorcunov
2017-03-21 19:07             ` Cyrill Gorcunov
2017-03-21 19:20             ` hpa
2017-03-21 19:20               ` hpa
2017-03-21 19:19         ` Dmitry Safonov
2017-03-21 19:19           ` Dmitry Safonov
2017-03-21 19:24           ` Cyrill Gorcunov [this message]
2017-03-21 19:24             ` Cyrill Gorcunov
2017-03-21 19:34             ` Dmitry Safonov
2017-03-21 19:34               ` Dmitry Safonov
2017-03-21 19:31       ` Andy Lutomirski
2017-03-21 19:31         ` Andy Lutomirski
2017-03-21 19:34         ` Cyrill Gorcunov
2017-03-21 19:34           ` Cyrill Gorcunov
2017-03-21 19:42         ` Dmitry Safonov
2017-03-21 19:42           ` Dmitry Safonov
2017-03-21 20:04           ` Dmitry Safonov
2017-03-21 20:04             ` Dmitry Safonov
2017-03-21 18:49     ` hpa
2017-03-21 18:49       ` hpa
2017-03-21 17:27 ` hpa
2017-03-21 17:27   ` hpa
2017-03-21 17:27   ` Dmitry Safonov
2017-03-21 17:27     ` Dmitry Safonov

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