Date: Mon, 12 Feb 2018 00:34:55 +0300 From: Alexander Popov <alex.popov@...ux.com> To: Kees Cook <keescook@...omium.org> Cc: kernel-hardening@...ts.openwall.com, PaX Team <pageexec@...email.hu>, Brad Spengler <spender@...ecurity.net>, Ingo Molnar <mingo@...nel.org>, Andy Lutomirski <luto@...nel.org>, Tycho Andersen <tycho@...ho.ws>, Laura Abbott <labbott@...hat.com>, Mark Rutland <mark.rutland@....com>, Ard Biesheuvel <ard.biesheuvel@...aro.org>, Borislav Petkov <bp@...en8.de>, Thomas Gleixner <tglx@...utronix.de>, "H . Peter Anvin" <hpa@...or.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, "Dmitry V . Levin" <ldv@...linux.org>, X86 ML <x86@...nel.org>, alex.popov@...ux.com Subject: Re: [PATCH RFC v7 0/6] Introduce the STACKLEAK feature and a test for it On 15.01.2018 22:59, Kees Cook wrote: > On Fri, Jan 12, 2018 at 6:19 AM, Alexander Popov <alex.popov@...ux.com> wrote: >> This is the 7th version of the patch series introducing STACKLEAK to the >> mainline kernel. STACKLEAK is a security feature developed by Grsecurity/PaX >> (kudos to them), which: >> - reduces the information that can be revealed through kernel stack leak bugs; >> - blocks some uninitialized stack variable attacks (e.g. CVE-2010-2963); >> - introduces some runtime checks for kernel stack overflow detection. > > I think this is really looking good. Hello! May I ask whether dear x86 maintainers think so too? Best regards, Alexander
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