Re: [PATCH xserver v3] xwayland: Fix use after free of cursors

2016-11-30 Thread Jonas Ådahl
On Tue, Nov 22, 2016 at 09:48:03AM +0100, Olivier Fourdan wrote: > Sometimes, Xwayland will try to use a cursor that has just been freed, > leading to a crash when trying to access that cursor data either in > miPointerUpdateSprite() or AnimCurTimerNotify(). > > CheckMotion() updates the pointer's

Re: [PATCH xserver v3] xwayland: Fix use after free of cursors

2016-11-29 Thread Olivier Fourdan
Hi, > > Sometimes, Xwayland will try to use a cursor that has just been freed, > > leading to a crash when trying to access that cursor data either in > > miPointerUpdateSprite() or AnimCurTimerNotify(). > > > > CheckMotion() updates the pointer's cursor based on which xwindow > > XYToWindow() re

Re: [PATCH xserver v3] xwayland: Fix use after free of cursors

2016-11-23 Thread Olivier Fourdan
> Sometimes, Xwayland will try to use a cursor that has just been freed, > leading to a crash when trying to access that cursor data either in > miPointerUpdateSprite() or AnimCurTimerNotify(). > > CheckMotion() updates the pointer's cursor based on which xwindow > XYToWindow() returns, and Xwayla