[lkml]   [2002]   [Oct]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [linux-usb-devel] Container_of considered harmful - was Re: usb storage sddr09
Actually, I've seen this one with 2.5.44 and no USB storage devices
attached. Just load usb-storage and it OOPSes.

I haven't been able to find it yet, but I haven't looked as hard as I


On Sun, Oct 20, 2002 at 08:24:36PM +0200, Andries Brouwer wrote:
> > Both of these are fixed with 2.4.44
> Yes, there is progress. Not to say that there are no oopses left,
> but with 2.5.44 the oopses are different.
> Let me just report one, don't know whether I'll have time to track
> what happens.
> Insert and remove a usb-storage device while usb-storage
> is not loaded. Now load usb-storage. Oops.
> The oops is a dereference of fffffff0 in base/bus.c:driver_attach().
> I have seen several such oopses lately, various places in the kernel.
> The cause here is a NULL pointer that is turned into fffffff0 by
> container_of() and then fed to get_device(). And get_device() tests
> that it gets a non-NULL pointer, but that does not protect against
> fffffff0.
> Andries
> -------------------------------------------------------
> This email is sponsored by:
> Access Your PC Securely with GoToMyPC. Try Free Now
> _______________________________________________
> To unsubscribe, use the last form field at:

Matthew Dharm Home:
Maintainer, Linux USB Mass Storage Driver

What, are you one of those Microsoft-bashing Linux freaks?
-- Customer to Greg
User Friendly, 2/10/1999
[unhandled content-type:application/pgp-signature]
 \ /
  Last update: 2005-03-22 13:30    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean