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:	Wed, 22 Apr 2015 07:56:45 -0700
From:	Dave Hansen <dave@...1.net>
To:	Borislav Petkov <bp@...en8.de>, Oleg Nesterov <oleg@...hat.com>
CC:	linux-kernel@...r.kernel.org, x86@...nel.org, tglx@...utronix.de,
	dave.hansen@...ux.intel.com, riel@...hat.com, sbsiddha@...il.com,
	luto@...capital.net, mingo@...hat.com, hpa@...or.com,
	fenghua.yu@...el.com
Subject: Re: [PATCH 01/16] x86, fpu: wrap get_xsave_addr() to make it safer

On 04/22/2015 06:31 AM, Borislav Petkov wrote:
> I read tsk_get_xsave_field(@tsk, ) as give me the xsave field of @tsk
> but doing used_math() we're querying current and I'm not sure
> 
> 	tsk == current
> 
> in all the call sites of tsk_get_xsave_field().

There aren't that many call sites. :)

But, yeah, tsk==current for all of them at the moment.
--
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/

Powered by blists - more mailing lists