lkml.org 
[lkml]   [2006]   [Sep]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: 2.6.18-mm2 - oops in cache_alloc_refill()
    From
    On Fri, Sep 29, 2006 at 06:20:08PM -0700, Andrew Morton wrote:
    > On Fri, 29 Sep 2006 20:01:54 -0400
    > >
    > > Here's the traceback I got:
    > >
    > > slab error in verify_redzone_free(): cache `size-32': memory outside object was overwritten
    > > [<c0103ad2>] dump_trace+0x64/0x1cd
    > > [<c0103c4d>] show_trace_log_lvl+0x12/0x25
    > > [<c010415f>] show_trace+0xd/0x10
    > > [<c01041fc>] dump_stack+0x19/0x1b
    > > [<c014c796>] __slab_error+0x17/0x1c
    > > [<c014cdac>] cache_free_debugcheck+0xaf/0x230
    > > [<c014d43e>] kfree+0x59/0x8c
    > > [<c02dc04a>] ioctl_standard_call+0x1da/0x218
    > > [<c02dc275>] wireless_process_ioctl+0x55/0x312
    > > [<c02d3750>] dev_ioctl+0x45f/0x49a
    > > [<c02c92aa>] sock_ioctl+0x1b3/0x1c6
    > > [<c0160322>] do_ioctl+0x22/0x67
    > > [<c01605a5>] vfs_ioctl+0x23e/0x251
    > > [<c01605ff>] sys_ioctl+0x47/0x64
    > > [<c0102cd3>] syscall_call+0x7/0xb
    > > DWARF2 unwinder stuck at syscall_call+0x7/0xb

    Hum... Not clear what's happening. I'll look more into it on
    monday.

    > > A quick strace of gkrellm finds these likely ioctl's causing the problem:
    > >
    > > % grep ioctl /tmp/foo2 | sort -u | more
    > > ioctl(13, SIOCGIWESSID, 0xbfbcdb9c) = 0

    That's most likely the one. I need to check the source code.

    > Yes. The main thing which those WE-21 patches do is to shorten the size of
    > various buffers which are used in wireless ioctls.

    Only for ESSID, it reduce it by one char, and remove the final
    '\0'. But, kernel wise, it should not matter.

    > > Since I'm using an orinoco-based card, these 2 look like the most likely
    > > candidates. WE-21 was merged between -mm1 and -mm2, which is why -mm1 was
    > > stable for me.

    I'm using Orinoco, I've not seen that with iwconfig.
    I'll look into that...

    Jean


    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-09-30 03:37    [W:0.026 / U:62.492 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site