From: "Dmitry V. Levin" <ldv@altlinux.org>
To: ALT Devel discussion list <devel@lists.altlinux.org>
Subject: Re: [devel] executable STACK in Cyrus-IMAP
Date: Fri, 10 Jul 2020 00:14:28 +0300
Message-ID: <20200709211427.GB27688@altlinux.org> (raw)
In-Reply-To: <20200702094731.GB5047@altlinux.org>
On Thu, Jul 02, 2020 at 12:47:32PM +0300, Dmitry V. Levin wrote:
> On Thu, Jul 02, 2020 at 01:45:55PM +0400, Sergey Afonin wrote:
> > On Thursday 02 July 2020, Sergey Y. Afonin wrote:
> >
> > > > Это явно хак, и я подозреваю, что даже для хака есть другой
> > > > инструмент, кроме prelink.
> >
> > > Это понятно. Так где копать-то? Откуда executable stack в принципе
> > > берётся?
> >
> > Нашёлся более универсальный хак: CFLAGS="-Wl,-z,noexecstack". Но
> > понимания, откуда этот executable STACK взялся, так и не возникло.
>
> Обычно это ассемблер без соответствующей разметки.
Нет, это был не ассемблер:
lib/cyr_qsort_r.c:9:9: warning: trampoline generated for nested function 'compar_func' [-Wtrampolines]
--
ldv
next prev parent reply other threads:[~2020-07-09 21:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 6:09 [devel] Q: prelink, архитектуры, executable STACK, Cyrus-IMAP Sergey Y. Afonin
2020-07-01 17:51 ` Vitaly Lipatov
2020-07-01 23:43 ` Sergey Y. Afonin
2020-07-02 9:45 ` Sergey Afonin
2020-07-02 9:47 ` Dmitry V. Levin
2020-07-09 21:14 ` Dmitry V. Levin [this message]
2020-07-10 4:57 ` [devel] executable STACK in Cyrus-IMAP Alexey V. Vissarionov
2020-07-10 8:18 ` Sergey Afonin
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