Messages in this thread | | | Date | Sun, 20 Oct 2002 21:12:38 -0700 | From | Matthew Dharm <> | Subject | Re: [linux-usb-devel] Container_of considered harmful - was Re: usb storage sddr09 |
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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 could.
Matt
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 sf.net email is sponsored by: > Access Your PC Securely with GoToMyPC. Try Free Now > https://www.gotomypc.com/s/OSND/DD > _______________________________________________ > linux-usb-devel@lists.sourceforge.net > To unsubscribe, use the last form field at: > https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
-- Matthew Dharm Home: mdharm-usb@one-eyed-alien.net 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] | |