[PATCH xserver v3] xwayland: Remove xwl_present_window from privates on cleanup

[Olivier Fourdan]

Hi,

On Wed, Sep 5, 2018 at 12:05 PM Lionel Landwerlin
<lionel.g.landwerlin at intel.com> wrote:
>
> On 05/09/2018 09:49, Olivier Fourdan wrote:
> > [...]
> > This is because `xwl_present_cleanup()` frees the memory but does not
> > remove it from the window's privates, and `xwl_present_abort_vblank()`
> > will still find it and hence try to access that freed memory...
> >
> > Remove `xwl_present_window` from window's privates on cleanup so that no
> > other function can find and reuse that data once it's freed.
> >
> > Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1616269
>
>
> We also have this fdo bug :
> https://bugs.freedesktop.org/show_bug.cgi?id=107314

Yeap, I know about this bug and the patch you sent, but the backtrace
is different, it doesn't occur on DestroyWindow(), so I doubt this is
the same (unless you tried my fix and it fixes your issue as well...)

Cheers,
Olivier