Re: spender@grsecurity.net: Re: PowerPC W^X

[Ted Unangst <tedu@stanford.edu>]

On Sat, 19 Apr 2003 spender@grsecurity.net wrote:

> Your random stack gap provides only 8 bits of randomness, not the 10 you
> think.  Regardless, 8-10 bits is merely an obscurity defense, of which I

1.  you're wrong.  it provides an arch-specific number of random bits.

2.  who said it provides 10 bits?  it provides as many bits as i ask it
to. if i want 10, sysctl -w kern.stackgap_random=4096.  oooh, wait, watch
this: sysctl -w kern.stackgap_random=8192.  _eleven_ bits!  dare i go for
12?

> be done in a second).  Could you point me to a discussion of this
> feature where you discuss it as what it is, an obscurity feature?

surely you know how to use cvs?
http://marc.theaimsgroup.com/?l=openbsd-cvs&m=99810553807748&w=2
or at least read a man page? sysctl(3)


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