lkml.org 
[lkml]   [2002]   [Oct]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    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
    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]
    \
     
     \ /
      Last update: 2005-03-22 13:30    [W:0.024 / U:91.792 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site