linux-kernel - Re: [patch] x86: fix savesegment() bug causing crashes on 64-bit

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] [day] [month] [year] [list]

Message-ID: <48779F5A.9070502@goop.org>
Date:	Fri, 11 Jul 2008 10:58:50 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	linux-kernel@...r.kernel.org,
	the arch/x86 maintainers <x86@...nel.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [patch] x86: fix savesegment() bug causing crashes on 64-bit

Ingo Molnar wrote:
>     
> i spent a fair amount of time chasing a 64-bit bootup crash in 
> tip/master that manifested itself as bootup segfaults:
>   

Crap, I'm sorry.  I fixed this locally a couple of days ago, but I 
hadn't actually observed it causing any problems, so I didn't rush to 
push it out.

> The solution is to only allow segment operands to go to registers. This 
> fix allows my test-system to boot up without crashing.
>     
> Signed-off-by: Ingo Molnar <mingo@...e.hu>
>   

Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>

    J
--
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/