linux-kernel - Re: [tip:x86/kaslr] x86, relocs: Add more per-cpu gold special cases

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <525C1BC1.6090501@zytor.com>
Date:	Mon, 14 Oct 2013 09:28:49 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
	keescook@...omium.org, md@...gle.com, tglx@...utronix.de,
	hpa@...ux.intel.com
CC:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/kaslr] x86, relocs: Add more per-cpu gold special cases

On 10/14/2013 07:19 AM, H. Peter Anvin wrote:
> My guess is that the 95 addresses are randomized and the 82 address is an address which failed to relocate.

> ffffffff82a04a58 is:
> ffffffff82a03000 t init_per_cpu__gdt_page


Specifically, it looks like the percpu stuff isn't getting set up correctly.

	-hpa

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/