linux-kernel - Re: [PATCH v4 00/29] virtually mapped stacks and thread

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Message-ID: <57740440.9090302@nextfour.com>
Date:	Wed, 29 Jun 2016 20:24:16 +0300
From:	Mika Penttilä <mika.penttila@...tfour.com>
To:	Andy Lutomirski <luto@...nel.org>, <x86@...nel.org>
CC:	<linux-kernel@...r.kernel.org>, <linux-arch@...r.kernel.org>,
	"Borislav Petkov" <bp@...en8.de>,
	Nadav Amit <nadav.amit@...il.com>,
	Kees Cook <keescook@...omium.org>,
	Brian Gerst <brgerst@...il.com>,
	"kernel-hardening@...ts.openwall.com" 
	<kernel-hardening@...ts.openwall.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Josh Poimboeuf <jpoimboe@...hat.com>,
	Jann Horn <jann@...jh.net>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: Re: [PATCH v4 00/29] virtually mapped stacks and thread_info cleanup



On 29.06.2016 10:06, Mika Penttilä wrote:
> On 06/27/2016 12:55 AM, Andy Lutomirski wrote:
>> Hi all-
>>
>> Known issues:
>>  - tcp md5, virtio_net, and virtio_console will have issues.  Eric Dumazet
>>    has a patch for tcp md5, and Michael Tsirkin says he'll fix virtio_net
>>    and virtio_console.
>>
>  How about PTRACE_SETREGS, it's using the child stack's vmapped address to put regs?
>
> --Mika
>
PTRACE_SETREGS is ok of course.

--Mika