From: Kyle Moffett <mrmacman_g4@mac.com>
To: Matt Domsch <Matt_Domsch@Dell.com>
Cc: Michael_E_Brown@Dell.com, greg@kroah.com,
linux-kernel@vger.kernel.org, Douglas_Warzecha@Dell.com,
Chris Wedgwood <cw@f00f.org>,
Nathan Lutchansky <lutchann@litech.org>,
Valdis.Kletnieks@vt.edu, Andrey Panin <pazke@donpac.ru>,
Andi Kleen <ak@suse.de>, Pavel Machek <pavel@ucw.cz>
Subject: Re: [RFC][PATCH 2.6.13-rc6] add Dell Systems Management Base Driver (dcdbas) with sysfs support
Date: Wed, 17 Aug 2005 03:32:01 -0400 [thread overview]
Message-ID: <BB22B747-C7A7-443F-8DD7-BFD19A62F25D@mac.com> (raw)
In-Reply-To: <20050817053259.GA24060@lists.us.dell.com>
On Aug 17, 2005, at 01:33:00, Matt Domsch wrote:
> This is conceptually similar to how SCSI Generic (either
> /dev/sg or ioctl(SG_IO)) works (userspace passes in preformated SCSI
> CDBs and gets back the resultant CDBs and extended sense data). The
> sg driver doesn't look at the data being passed down to any great
> extent. It doesn't validate that the command will make sense to the
> end device.
This is not true anymore. Recently the SG driver obtained a basic
form of SCSI command checking to prohibit vendor commands from those
processes without CAP_RAW_IO, even if said process had full access
to the device node itself.
Cheers,
Kyle Moffett
--
Simple things should be simple and complex things should be possible
-- Alan Kay
next prev parent reply other threads:[~2005-08-17 7:32 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-16 23:47 Michael_E_Brown
2005-08-17 5:33 ` Matt Domsch
2005-08-17 7:32 ` Kyle Moffett [this message]
[not found] <4277B1B44843BA48B0173B5B0A0DED4352817E@ausx3mps301.aus.amer.dell.com.suse.lists.linux.kernel>
[not found] ` <DEFA2736-585A-4F84-9262-C3EB53E8E2A0@mac.com.suse.lists.linux.kernel>
[not found] ` <1124161828.10755.87.camel@soltek.michaels-house.net.suse.lists.linux.kernel>
[not found] ` <20050816081622.GA22625@kroah.com.suse.lists.linux.kernel>
[not found] ` <1124199265.10755.310.camel@soltek.michaels-house.net.suse.lists.linux.kernel>
[not found] ` <20050816203706.GA27198@kroah.com.suse.lists.linux.kernel>
[not found] ` <4277B1B44843BA48B0173B5B0A0DED43528192@ausx3mps301.aus.amer.dell.com.suse.lists.linux.kernel>
2005-08-17 0:23 ` Andi Kleen
2005-08-17 0:41 ` Michael E Brown
-- strict thread matches above, loose matches on Subject: below --
2005-08-16 5:19 Michael E Brown
2005-08-16 5:35 ` Chris Wedgwood
2005-08-16 5:50 ` Michael E Brown
2005-08-16 4:58 Michael E Brown
2005-08-16 5:36 ` Valdis.Kletnieks
2005-08-16 6:10 ` Michael E Brown
2005-08-16 6:45 ` Valdis.Kletnieks
2005-08-16 12:15 ` Andrey Panin
2005-08-16 4:09 Michael E Brown
2005-08-16 5:17 ` Valdis.Kletnieks
2005-08-16 5:30 ` Michael E Brown
2005-08-15 22:58 Michael_E_Brown
2005-08-16 1:29 ` Kyle Moffett
2005-08-16 3:10 ` Michael E Brown
2005-08-16 5:59 ` Nathan Lutchansky
2005-08-16 8:16 ` Greg KH
2005-08-16 13:34 ` Michael E Brown
2005-08-16 20:31 ` Pavel Machek
2005-08-16 20:37 ` Greg KH
2005-08-16 23:11 ` Michael_E_Brown
2005-08-16 23:23 ` Greg KH
2005-08-15 20:05 Doug Warzecha
2005-08-15 20:23 ` Kyle Moffett
2005-08-15 23:38 ` Doug Warzecha
2005-08-16 1:44 ` Kyle Moffett
2005-08-16 2:43 ` Valdis.Kletnieks
2005-08-16 4:34 ` Chris Wedgwood
2005-08-16 4:55 ` Kyle Moffett
2005-08-16 5:14 ` Chris Wedgwood
2005-08-16 5:52 ` Greg KH
2005-08-17 0:02 ` Doug Warzecha
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