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Re: Needed for the release

From: David Kastrup
Subject: Re: Needed for the release
Date: Thu, 16 Jun 2005 09:53:05 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

Masatake YAMATO <address@hidden> writes:

> Sorry to be late.
>> exec_shield is one such feature, and newer kernels use something
>> like, uh, /proc/sys/vm/randomize_... (I don't remember the
>> particular name right now and don't have a Fedora active).  The
>> latter loaded executables' memory segments into randomized
>> locations to make buffer overflow attacks less predictable.
>> exec_shield could be gotten around with using
>> setarch i386 make
>> and configure does that already IIRC.  But the address space
>> randomization was prohibiting the dumping even with the setarch
>> command.
> Could you tell me the kernel version or the OS version?
> I'm using Fedora core 1 and Fedora core 3.
> I cannot reproduce the problem on the platforms.

It was introduced some time after Fedora core 3 in their development
sources.  I switched to Ubuntu a short time after that.  It is
possible that the feature did not make it switched on by default into
the final FC4 release, but I can't tell since I stopped updating it
after that.

David Kastrup, Kriemhildstr. 15, 44793 Bochum

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