linux-kernel - Re: [PATCH x86/mm] x86: i387 fpregs_set convert_to

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: <20080125180406.GB5342@linux-os.sc.intel.com>
Date:	Fri, 25 Jan 2008 10:04:06 -0800
From:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
To:	Roland McGrath <roland@...hat.com>
Cc:	mingo@...e.hu, tglx@...utronix.de,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH x86/mm] x86: i387 fpregs_set convert_to_fxsr

On Thu, Jan 24, 2008 at 05:59:33PM -0800, Roland McGrath wrote:
> +	if (pos > 0 || count < sizeof(env))
> +		convert_from_fxsr(&env, target);

Well, is the generic regset code enforce the need for this now? Can we
disallow the usage cases where the user passes smaller target buffer
size or requests data from in between. We were disallowing such usage
scenarios before, isn't it?

thanks,
suresh
--
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/