59ad0e6a41
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 Xwayland implements its own xwl_xy_to_window() to fake a crossing to the root window when the pointer has left the Wayland surface but is still within the xwindow. But after an xwindow is unrealized, the last xwindow used to match the xwindows is cleared so two consecutive calls to xwl_xy_to_window() may not return the same xwindow. To avoid this issue, update the last_xwindow based on enter and leave notifications instead of xwl_xy_to_window(), and check if the xwindow found by the regular miXYToWindow() is a child of the known last xwindow, so that multiple consecutive calls to xwl_xy_to_window() return the same xwindow, being either the one found by miXYToWindow() or the root window. Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1385258 Signed-off-by: Olivier Fourdan <ofourdan@redhat.com> Tested-by: Vít Ondruch <vondruch@redhat.com> Tested-by: Satish Balay <balay@fastmail.fm> Reviewed-by: Jonas Ådahl <jadahl@gmail.com> |
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composite | ||
config | ||
damageext | ||
dbe | ||
dix | ||
doc | ||
dri3 | ||
exa | ||
fb | ||
glamor | ||
glx | ||
hw | ||
include | ||
m4 | ||
man | ||
mi | ||
miext | ||
os | ||
present | ||
pseudoramiX | ||
randr | ||
record | ||
render | ||
test | ||
Xext | ||
xfixes | ||
Xi | ||
xkb | ||
.dir-locals.el | ||
.gitignore | ||
autogen.sh | ||
configure.ac | ||
COPYING | ||
devbook.am | ||
docbook.am | ||
fix-miregion | ||
fix-miregion-private | ||
fix-patch-whitespace | ||
fix-region | ||
Makefile.am | ||
manpages.am | ||
README | ||
xorg-server.m4 | ||
xorg-server.pc.in | ||
xserver.ent.in |
X Server The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into. Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders. For a comprehensive overview of X Server and X Window System, consult the following article: http://en.wikipedia.org/wiki/X_server All questions regarding this software should be directed at the Xorg mailing list: http://lists.freedesktop.org/mailman/listinfo/xorg Please submit bug reports to the Xorg bugzilla: https://bugs.freedesktop.org/enter_bug.cgi?product=xorg The master development code repository can be found at: git://anongit.freedesktop.org/git/xorg/xserver http://cgit.freedesktop.org/xorg/xserver For patch submission instructions, see: http://www.x.org/wiki/Development/Documentation/SubmittingPatches For more information on the git code manager, see: http://wiki.x.org/wiki/GitPage