linux-kernel - Re: [PATCH v3 00/13] Virtually mapped stacks with guard pages (x86, core)

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Message-ID: <CA+55aFyWJSE3DdoZvtc=tkuqvn1eQC=-dK=kfQ70ZR_7xLTkvA@mail.gmail.com>
Date:	Fri, 24 Jun 2016 14:06:51 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	Brian Gerst <brgerst@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Andy Lutomirski <luto@...capital.net>,
	Andy Lutomirski <luto@...nel.org>,
	"the arch/x86 maintainers" <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	Borislav Petkov <bp@...en8.de>,
	Nadav Amit <nadav.amit@...il.com>,
	Kees Cook <keescook@...omium.org>,
	"kernel-hardening@...ts.openwall.com" 
	<kernel-hardening@...ts.openwall.com>, Jann Horn <jann@...jh.net>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: Re: [PATCH v3 00/13] Virtually mapped stacks with guard pages (x86, core)

On Fri, Jun 24, 2016 at 1:51 PM, Josh Poimboeuf <jpoimboe@...hat.com> wrote:
>
> Found another bug:

Yup. Those two were the ones that kept it from working for me. Thanks.

Anyway, here's the final combined patch that works for me on x86-64.
No more thread-info on the stack.

                     Linus

View attachment "patch.diff" of type "text/plain" (25841 bytes)