Re: How to make stack executable on demand?

From: Andreas Steinmetz
Date: Fri Apr 16 2004 - 13:17:07 EST


H. J. Lu wrote:
is set with executable stack. Is there a third option that a process
starts with non-executable stack and can change the stack permission
later?


Well, in my opinion your request is equivalent to "keep all these cute buffer overflows forever". Take any protected app, LD_PRELOAD or drop in a bad/malicious library and your're done for good. Not really a good idea.
--
Andreas Steinmetz SPAMmers use robotrap@xxxxxxxx
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/