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From: Mike McCarty <Mike.McCarty@sbcglobal.net>
To: linux-msdos@vger.kernel.org
Subject: Re: cannot map temp file pool
Date: Tue, 19 Sep 2006 15:58:12 -0500	[thread overview]
Message-ID: <451059E4.5030702@sbcglobal.net> (raw)
In-Reply-To: <c3d607cc0609191317l394d8cddtdad24865cf1576a6@mail.gmail.com>

Bart Oldeman wrote:
> Hi Jan Willem,
> 
> it's an issue with the 'initscripts' Debian package, in
> /etc/init.d/mountdevsubfs.sh
> 
> Hopefully it's only temporary: it also breaks UML
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=386945
> 
> The DOSEMU source code could probably work around it by mmap()ing 
> READ|WRITE
> and then mprotect it with EXEC. But maybe at some future point someone
> will restrict mprotect() to report EPERM in such situations too for
> security reasons.

I don't understand why SHARED MEMORY needs execution access, anyway.

This looks like a defect in the code to me.

Mike
-- 
p="p=%c%s%c;main(){printf(p,34,p,34);}";main(){printf(p,34,p,34);}
This message made from 100% recycled bits.
You have found the bank of Larn.
I can explain it for you, but I can't understand it for you.
I speak only for myself, and I am unanimous in that!

  reply	other threads:[~2006-09-19 20:58 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-19 12:27 cannot map temp file pool Jan Willem Stumpel
2006-09-19 13:24 ` Damyan Ivanov
2006-09-19 15:24   ` Jan Willem Stumpel
2006-09-19 16:21     ` Robert Komar
2006-09-19 16:48     ` Mike McCarty
2006-09-19 18:12       ` Jan Willem Stumpel
2006-09-19 18:34         ` Robert Komar
2006-09-19 19:16           ` Jan Willem Stumpel
2006-09-19 20:17             ` Bart Oldeman
2006-09-19 20:58               ` Mike McCarty [this message]
2006-09-19 21:05                 ` Bart Oldeman
2006-09-20  9:56               ` Jan Willem Stumpel
2006-09-20 16:21                 ` Mike McCarty
2006-09-20 17:03                   ` Jan Willem Stumpel
2006-09-20 17:11                     ` Mike McCarty
2006-09-20 22:06                     ` Claudia Neumann
2006-09-21 11:17                       ` Jan Willem Stumpel
2006-09-21 17:56                         ` Claudia Neumann
2006-09-19 19:15         ` Alain M.
  -- strict thread matches above, loose matches on Subject: below --
2006-09-24 17:37 Stas Sergeev
2006-09-24 20:41 ` Jan Willem Stumpel
2006-09-25  3:45   ` Stas Sergeev
2006-09-25  8:54     ` Jan Willem Stumpel

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