Messages in this thread | | | From | "PaX Team" <> | Date | Thu, 18 Feb 2016 11:46:42 +0100 | Subject | Re: [PATCH] ARM: vdso: Mark vDSO code as read-only |
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On 17 Feb 2016 at 15:48, Kees Cook wrote:
> On Wed, Feb 17, 2016 at 3:43 PM, David Brown <david.brown@linaro.org> wrote:
> > Is there a possible future consideration to perhaps make .rodata read > > only much earlier? > > Yeah, this will likely be a future improvement. Some architectures > already mark .rodata before the mark_rodata_ro() call. Once we start > to have more use of postinit-readonly, I suspect we'll see more > clarification of when those things happen.
FYI, PaX had enforced early rodata on i386 during the 2.4 series (i.e., decade+ ago) but i abandoned it for 2.6 due to the maintenance burden coupled with its low benefit...
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