linux-kernel - Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt issue

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]

Date:	Sat, 18 Aug 2007 13:32:30 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	Andi Kleen <ak@...e.de>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>, patches@...-64.org,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt
	issue

* Andi Kleen (ak@...e.de) wrote:
> > This patch breaks Xen booting.  
> 
> Check the latest git head. Does it still break?

Yeah, this is the latest git.  The broken commit is Rusty's patch which,
after Linus reverted the write-protected remap changes, is no longer
necessary.  AFAICT patching is writing garbage into the insn stream.
I suspect it's copying an uninitialized temp buffer.

thanks,
-chris
-
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/