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Date: Thu, 12 Nov 2015 13:36:50 +0100
From: Paolo Bonzini <>
        Kees Cook <>
Cc: Brad Spengler <>,
        Greg KH <>, Theodore Tso <>,
        Josh Triplett <>
Subject: Re: Proposal for kernel self protection features

On 12/11/2015 13:22, PaX Team wrote:
> here's a few existing bugs of interest:
> (the header issue is
> also tracked in
> (this ship has sailed
> already i guess)
> i think fixing the LTO API for plugins (including backports to 4.9/5 at
> least) would be the most important and useful act for the kernel as it'd
> then help convince kernel developers of the merits of adding LTO build
> support to linux itself. IIRC, it was tried before and ran into opposition
> due to perceived lack of usefulness, something that IPA/LTO capable plugins
> could change.

Do you have any pointers on the overflows that can be introduced by the
front-end?  I guess I can also look for hints in the plugin source code.


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