[Spice-devel] [PATCH] spice_timer_queue: fix access after free

Christophe Fergeau cfergeau at redhat.com
Thu Sep 3 02:22:01 PDT 2015


On Thu, Sep 03, 2015 at 05:09:31AM -0400, Frediano Ziglio wrote:
> 
> > 
> > Hey,
> > 
> > On Thu, Sep 03, 2015 at 09:21:04AM +0100, Frediano Ziglio wrote:
> > > Do not access to timer after we call the associated function.
> > > Some of these callbacks can free timer making the pointer pointing
> > > to freed data.
> > 
> > Some callbacks are calling
> > spice_timer_remove()/spice_timer_queue_destroy() which then frees
> > the SpiceTimer instance? Or is something more complicated happening?
> > 
> > Christophe
> > 
> 
> Yes, the callback calls spice_timer_remove.

Can you replace "can free timer" with "can call spice_timer_remove" in
the log? ACK with that changed.

Christophe
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