[vbox-dev] modprobe vboxdrv causes kernel NULL pointer dereference on Debian systems

[Andrey Gursky]

Hi Frank,

Frank Mehnert <frank.mehnert at ...> writes:

> 
> Hi Gerald,
> 
> On Wednesday 22 August 2012 11:56:09 Gerald Schnabel wrote:
> > Hello vbox-dev,
> > 
> > on Debian systems installation of VirtualBox 4.1.18 & 4.1.20
> > fails with
> > 
> > [...]
> > 
> > I've tracked the problem down to the definitions of RT_LIKELY
> > & RT_UNLIKELY in
> > /usr/share/virtualbox/src/vboxhost/vboxdrv/include/iprt/cdefs.h
> > 
> > If -DFORTIFY_RUNNING (-DLOG_ENABLED works too!) is added to the
> > KFLAGS of the vboxdrv Makefile the module loads without problems!
> 
> I'm running Debian/Sid and I never saw such a problem. I also use
> gcc-4.7. Could you send me two vboxdrv.ko modules by private email,
> one which would crash (without -DFORTIFY_RUNNING / -DLOG_ENABLED) and
> one module which would not crash. I would like to compare the generated
> code.

Could you track down this issue? I'm experiencing the same problem with 4.1.24
on i386 (but not on amd64) latest 3.7.1-1~experimental.2 kernel on Debian Wheezy.


Cheers,

Andrey