Re: Executing from dynamically allocated memory

From	chakaram@auth.gr
Newsgroups	comp.compilers
Subject	Re: Executing from dynamically allocated memory
Date	2013-10-12 19:20 +0300
Organization	Compilers Central
Message-ID	<13-10-007@comp.compilers> (permalink)
References	<13-10-004@comp.compilers>

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As our moderator pointed out, sounds like NX. Use mmap() with
PROT_READ|PROT_WRITE|PROT_EXEC or just PROT_WRITE and then mprotect()
your region to PROT_READ|PROT_EXEC.

If you're on an i386, then it's probably some kernel hardening patch
that makes the heap non executable.
./ck
--
Chariton Karamitas
Electrical and Computer Engineering Department
Fuculty of Engineering
Aristotle University of Thessaloniki, Greece

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Executing from dynamically allocated memory "news" <news@fx32.iad.highwinds-media.com> - 2013-10-12 00:05 +0000
  Re: Executing from dynamically allocated memory "James Harris" <james.harris.1@gmail.com> - 2013-10-12 10:10 +0100
  Re: Executing from dynamically allocated memory Sébastien Fricker <sebastien.fricker@gmail.com> - 2013-10-12 11:52 +0200
  Re: Executing from dynamically allocated memory chakaram@auth.gr - 2013-10-12 19:20 +0300
  Re: Executing from dynamically allocated memory Alex McDonald <blog@rivadpm.com> - 2013-10-12 11:12 -0700
  Re: Executing from dynamically allocated memory sandmann@cs.au.dk (Søren Sandmann) - 2013-10-12 20:58 +0200
  Re: Executing from dynamically allocated memory Jens Kallup <jkallup@web.de> - 2013-10-13 10:44 +0200

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