From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Date: Sat, 03 Jan 2004 21:48:57 +0000 Subject: Re: udev - Shouldn't we blacklist some devices? Message-Id: <20040103214857.GC11061@kroah.com> List-Id: References: <20040103200753.GA4917@vrfy.org> In-Reply-To: <20040103200753.GA4917@vrfy.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org On Sat, Jan 03, 2004 at 09:07:53PM +0100, Kay Sievers wrote: > While connecting my flash reader to the USB bus I get: > > Jan 3 20:56:58 pim udev[31673]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:2/dev' > Jan 3 20:56:59 pim udev[31695]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:3/dev' > Jan 3 20:56:59 pim udev[31514]: sleep_for_dev: looking for '/sys/class/scsi_host/host54/dev' > Jan 3 20:56:59 pim udev[31627]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:0/dev' > Jan 3 20:56:59 pim udev[31650]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:1/dev' > Jan 3 20:56:59 pim udev[31673]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:2/dev' > Jan 3 20:57:00 pim udev[31695]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:3/dev' > Jan 3 20:57:00 pim udev[31514]: sleep_for_dev: looking for '/sys/class/scsi_host/host54/dev' > Jan 3 20:57:00 pim udev[31627]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:0/dev' > Jan 3 20:57:00 pim udev[31650]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:1/dev' > Jan 3 20:57:00 pim udev[31673]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:2/dev' > Jan 3 20:57:01 pim udev[31695]: sleep_for_dev: looking for '/sys/class/scsi_device/54:0:0:3/dev' > Jan 3 20:57:01 pim udev[31514]: sleep_for_dev: looking for '/sys/class/scsi_host/host54/dev' > > > Shouldn't we blacklist devices like /sys/class/scsi_device/*, /sys/class/scsi_host/* ? Yes we should, as we try to remove those device nodes when the devices get removed (look for the 'trying to remove host54' messages), which could be very dangerous. thanks, greg k-h ------------------------------------------------------- This SF.net email is sponsored by: IBM Linux Tutorials. Become an expert in LINUX or just sharpen your skills. Sign up for IBM's Free Linux Tutorials. Learn everything from the bash shell to sys admin. Click now! http://ads.osdn.com/?ad_id78&alloc_id371&op=click _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel