From: "Dmitry V. Levin" <ldv@altlinux.org>
To: ALT Linux Sisyphus discussion list <sisyphus@lists.altlinux.org>
Subject: Re: [sisyphus] ovz kernel and quake3 segfault
Date: Sat, 23 Sep 2006 03:44:31 +0400
Message-ID: <20060922234431.GB23397@nomad.office.altlinux.org> (raw)
In-Reply-To: <679044850609210346k53d6ab57h7c582f6f83d7ab8f@mail.gmail.com>
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On Thu, Sep 21, 2006 at 02:46:10PM +0400, Damir Shayhutdinov wrote:
> > $ fgrep -B6 kernel.exec-shield /etc/sysctl.conf
> > # Exec Shield bits:
> > # 0: off; vdso at STACK_TOP, 1 page below TASK_SIZE
> > # (1<<0) 1: on [also on if !=0]
> > # (1<<1) 2: noexecstack by default
> > # (1<<2) 4: vdso just below .text of main (unless too low)
> > # (1<<3) 8: vdso just below .text of PT_INTERP (unless too low)
> > kernel.exec-shield = 9
>
> Кстати, а per-application настройки exec shield можно как-нибудь сделать?
Конечно, можно. Например, noexecstack настраивается посредством
ELF'ового заголовка PT_GNU_STACK.
--
ldv
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next prev parent reply other threads:[~2006-09-22 23:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-21 9:23 Vitaly Ostanin
2006-09-21 10:38 ` Dmitry V. Levin
2006-09-21 10:46 ` Damir Shayhutdinov
2006-09-22 23:44 ` Dmitry V. Levin [this message]
2006-09-21 11:59 ` Vitaly Ostanin
2006-09-21 17:58 ` Konstantin A. Lepikhov
2006-09-25 10:08 ` [sisyphus] quake3 (was: Re: ovz kernel and quake3 segfault) Igor Zubkov
2006-09-25 15:40 ` Damir Shayhutdinov
2006-09-25 16:00 ` Igor Zubkov
2006-09-25 16:17 ` Damir Shayhutdinov
2006-09-25 16:26 ` Igor Zubkov
2006-09-26 7:03 ` Alexey I. Froloff
2006-09-26 7:41 ` Damir Shayhutdinov
2006-09-26 9:11 ` Alexey I. Froloff
2006-09-26 3:08 ` Хихин Руслан
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