Messages in this thread | | | Date | Thu, 20 Dec 2012 19:06:22 -0800 | Subject | Re: [RFC] stack and heap are executable on x86_64 | From | Kees Cook <> |
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On Thu, Dec 20, 2012 at 7:00 PM, Kees Cook <keescook@chromium.org> wrote: > While trying to fix test_nx, I discovered that it looks like stack and > heap are executable again (at least on x86_64). :( I tried to bisect
Btw, this ends up looking like this on v3.4:
[ 2.486223] test_nx: Testing NX protection ... [ 2.487468] test_nx: calling ffff88001dd57e45 (0xC3) [ 2.488766] test_nx: stack is executable [ 2.489802] test_nx: calling ffff88001e2c7580 (0xC3) [ 2.491106] test_nx: heap is executable [ 2.492086] test_nx: calling ffffffff81803c80 (0xC3) [ 2.493201] test_nx: calling ffffffffa0002220 (0xC3) [ 2.493843] test_nx: calling ffffffffa0001224 (0xC3) [ 2.494549] test_nx: Done testing.
-Kees
-- Kees Cook Chrome OS Security
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