From mboxrd@z Thu Jan 1 00:00:00 1970 Reply-To: kernel-hardening@lists.openwall.com Sender: Vasiliy Kulikov Date: Mon, 25 Jul 2011 23:20:48 +0400 From: Vasiliy Kulikov Message-ID: <20110725192048.GA21675@albatros> References: <20110723162251.GA11485@openwall.com> <20110724084200.GB3659@albatros> <20110724142710.GB18345@openwall.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110724142710.GB18345@openwall.com> Subject: Re: [kernel-hardening] base address for shared libs To: kernel-hardening@lists.openwall.com List-ID: Solar, On Sun, Jul 24, 2011 at 18:27 +0400, Solar Designer wrote: > What does PaX do here? Spender's reaction: "The PaX position on the null bytes in mmap addresses is: the tradeoff between stopping certain vulns involving string functions and having low entropy for every other vuln type, and having the same high entropy for all types is weighed in favor of the latter." -- Vasiliy