linux-kernel - Re: loading firmware while usermodehelper disabled.

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:	Mon, 02 Jan 2012 21:26:13 +0000
From:	Jack Stone <jwjstone@...tmail.fm>
To:	Matthew Garrett <mjg@...hat.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Oliver Neukum <oliver@...kum.org>,
	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Larry Finger <Larry.Finger@...inger.net>,
	Chaoming Li <chaoming_li@...lsil.com.cn>,
	"John W. Linville" <linville@...driver.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	USB list <linux-usb@...r.kernel.org>,
	Linux Wireless List <linux-wireless@...r.kernel.org>
Subject: Re: loading firmware while usermodehelper disabled.

On 02/01/12 21:19, Matthew Garrett wrote:
> On Mon, Jan 02, 2012 at 12:48:48PM -0800, Linus Torvalds wrote:
> 
>> Why are you guys making it any more complicated than that?
> 
> Because it's inadequate. You can't guarantee that we ever loaded 
> firmware. The same hardware might maintain state over warm reboots but 
> not over suspend. We never loaded the firmware loader driver. We never 
> called request_firmware(). We have no way of knowing whether the device 
> is an older one that needs firmware loading, or a newer one which has it 
> in flash.
> 

Can we tell by the USB ids that this is a device that might need
firmware and load it into memory anyway - it would use more memory but
would always work as we would have the firmware.

Thanks,

Jack
--
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/