Re: [PATCH 1/7] drm/msm: fix use-after-free on probe deferral

2022-09-13 Thread Johan Hovold
On Mon, Sep 12, 2022 at 08:52:44PM +0300, Dmitry Baryshkov wrote: > On 12/09/2022 18:40, Johan Hovold wrote: > > The bridge counter was never reset when tearing down the DRM device so > > that stale pointers to deallocated structures would be accessed on the > > next tear down (e.g. after a second

Re: [PATCH 1/7] drm/msm: fix use-after-free on probe deferral

2022-09-12 Thread Dmitry Baryshkov
On 12/09/2022 18:40, Johan Hovold wrote: The bridge counter was never reset when tearing down the DRM device so that stale pointers to deallocated structures would be accessed on the next tear down (e.g. after a second late bind deferral). Given enough bridges and a few probe deferrals this coul