Re: 2.6.17-mm4

From: Michal Piotrowski
Date: Thu Jun 29 2006 - 16:56:18 EST


On 29/06/06, Dave Jones <davej@xxxxxxxxxx> wrote:
On Thu, Jun 29, 2006 at 10:46:24PM +0200, Michal Piotrowski wrote:
> On 29/06/06, Dave Jones <davej@xxxxxxxxxx> wrote:
> >On Thu, Jun 29, 2006 at 10:39:33PM +0200, Michal Piotrowski wrote:
> >
> > > This looks very strange.
> > >
> > > BUG: unable to handle kernel paging request at virtual address 6b6b6c07
> >
> >Looks like a use after free.
> >
> > > printing eip:
> > > c0138594
> > > *pde=00000000
> > > Oops: 0002 [#1]
> > > 4K_STACK PREEMPT SMP
> > > last sysfs file /class/net/eth0/address
> > > Modules linked in: ipv6 af_packet ipt_REJECT xt_tcpudp x_tables
> > > p4_clockmod speedstep_lib binfmt_misc
> > >
> > > (gdb) list *0xc0138594
> > > 0xc0138594 is in __lock_acquire (include2/asm/atomic.h:96).
> > > warning: Source file is more recent than executable.
> >
> >got a backtrace ?
>
> Unfortunately no.

nothing useful from 'bt' from that gdb prompt ?

(gdb) bt
No stack.


Dave

--
http://www.codemonkey.org.uk


Regards,
Michal

--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)
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