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dix: null out dummyDev, otherwise Xephyr dereferences random pointers.

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SendEventToAllWindow eventually causes a IsInterferingGrab(), which attempts
to dereference dev->deviceGrab.grab.
This commit is contained in:
Peter Hutterer 2008-05-31 10:24:37 +09:30
commit 62c1a32976
1 changed files with 2 additions and 1 deletions
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3
dix/devices.c
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@ -376,7 +376,8 @@ ActivateDevice(DeviceIntPtr dev)
ev.time = currentTime.milliseconds; ev.time = currentTime.milliseconds;
ev.devchange = DeviceAdded; ev.devchange = DeviceAdded;
ev.deviceid = dev->id; ev.deviceid = dev->id;
dummyDev.id = 0;
memset(&dummyDev, 0, sizeof(DeviceIntRec));
SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask, SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask,
(xEvent *) &ev, 1); (xEvent *) &ev, 1);