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#0  0x000000000044d375 in xi2mask_isset (mask=0xb075c0851c74c289, dev=0x217c7a0, event_type=13)
    at inpututils.c:1034
#1  0x000000000043c68b in EventIsDeliverable (dev=0x217c7a0, evtype=16, win=0x228f4a0) at events.c:2539
#2  0x0000000000442cfa in DeliverDeviceEvents (pWin=0x228f4a0, event=0x7fffaa57edd0, grab=0x217cb30, 
    stopAt=0x0, dev=0x217c7a0) at events.c:2658
#3  0x0000000000442f11 in DeliverGrabbedEvent (event=0x7fffaa57edd0, thisDev=0x217c7a0, deactivateGrab=0)
    at events.c:4247
#4  0x0000000000443086 in DeliverRawEvent (ev=0x7fffaa57edd0, device=0x217c7a0) at events.c:2294
#5  0x00000000004faefb in ProcessOtherEvent (ev=0x7fffaa57edd0, device=0x217c7a0) at exevents.c:930
#6  0x0000000000524721 in ProcessKeyboardEvent (ev=<value optimized out>, keybd=0x217c7a0) at xkbPrKeyEv.c:158
#7  0x00000000005433ec in mieqProcessDeviceEvent (dev=0x229e770, event=0x7d77a0, screen=0x1efc2e0)
    at mieq.c:526
#8  0x0000000000543484 in mieqProcessInputEvents () at mieq.c:586
#9  0x000000000046d649 in ProcessInputEvents () at xf86Events.c:165
#10 0x00000000004342d3 in Dispatch () at dispatch.c:362
#11 0x000000000042393a in main (argc=6, argv=<value optimized out>, envp=<value optimized out>) at main.c:287
#1  0x000000000043c68b in EventIsDeliverable (dev=0x217c7a0, evtype=16, win=0x228f4a0) at events.c:2539
2539	        if (inputMasks && xi2mask_isset(inputMasks->xi2mask, dev, type))
2534	    int type;
2535	    OtherInputMasks *inputMasks = wOtherInputMasks(win);
2536	
2537	    if ((type = GetXI2Type(evtype)) != 0)
2538	    {
2539	        if (inputMasks && xi2mask_isset(inputMasks->xi2mask, dev, type))
2540	            rc |= EVENT_XI2_MASK;
2541	    }
2542	
2543	    if ((type = GetXIType(evtype)) != 0)
$1 = (OtherInputMasks *) 0x450d20
$2 = {deliverableEvents = {1413567809, 2303218517, 3968026875, 4208912392, 2236153855, 3314108608, 20612111, 
    501743616, 1207964018, 12616587, 2303197184, 1086802159, 64, 4126599168, 2303262719, 47114479, 
    2336817149, 49283, 1032669184, 1185921, 1214286668, 187017192, 2312253696, 3750316230, 187329512, 
    1032669184, 1185724, 611093833, 629860368, 3526426635, 2303248009, 709814495, 2370306059, 303527741, 
    628287488, 3526426635, 2303248009, 708241631, 2370306059, 303569725, 626714624, 3526426635}, 
  inputEvents = {2303248009, 706668767, 2303197195, 4197902559, 2236153855, 2776895424, 1157627904, 
    270818443, 1240281413, 136608907, 2145092933, 1715071768, 8658703, 0, 21335361, 29721417, 2113946937, 
    881543715, 4135930095, 2303257204, 687007967, 2369847307, 2202599749, 1161363909, 2089502976, 3716089892, 
    4244765672, 1153911295, 2084, 3342925824, 1057860, 1207959552, 12616587, 2336751616, 3655878776, 
    1224736001, 12616587, 3343384576, 18496, 2202533888, 1566247108, 1564564545}, dontPropagateMask = {
    292658153, 2035456, 147096392, 1547787611, 264461633, 17439, 612141897, 2426530568, 610044232, 
    1820936416, 2303256612, 1686719739, 2303520804, 1224221804, 1211690115, 136594573, 624790856, 1090523671, 
    2303259785, 3448324565, 203703495, 1, 604277064, 186929128, 1154625792, 544530489, 2336805001, 
    1209541724, 539257995, 610569036, 1821068328, 2202546212, 264452292, 17439, 3906963784, 4294965520, 
    1220576584, 45794185, 1946157056, 1955416267, 2303200292, 4018751714}, inputClients = 0xed8445000b24d3e8, 
  xi2mask = 0xb075c0851c74c289}
Cannot access memory at address 0xb075c0851c74c289
$3 = (struct _XI2Mask *) 0xb075c0851c74c289
#3  0x0000000000442f11 in DeliverGrabbedEvent (event=0x7fffaa57edd0, thisDev=0x217c7a0, deactivateGrab=0)
    at events.c:4247
4247		deliveries = DeliverDeviceEvents(win, event, grab, focus, thisDev);
$4 = (InternalEvent *) 0x7fffaa57edd0
$5 = {any = {header = 255 '\377', type = ET_RawKeyPress, length = 624, time = 4093275}, device_event = {
    header = 255 '\377', type = ET_RawKeyPress, length = 624, time = 4093275, deviceid = 3, sourceid = 11, 
    detail = {button = 65, key = 65}, root_x = 0, root_x_frac = 0, root_y = 0, root_y_frac = 0, 
    buttons = '\000' <repeats 31 times>, valuators = {mask = "\000\000\000\000", mode = "\000\000\000\000", 
      data = {0 <repeats 36 times>}}, mods = {base = 0, latched = 0, locked = 0, effective = 0}, group = {
      base = 0 '\000', latched = 0 '\000', locked = 0 '\000', effective = 0 '\000'}, root = 0, corestate = 0, 
    key_repeat = 0, flags = 0}, changed_event = {header = 255 '\377', type = ET_RawKeyPress, length = 624, 
    time = 4093275, deviceid = 3, flags = 11, masterid = 65, sourceid = 0, buttons = {num_buttons = 0, 
      names = {0 <repeats 256 times>}}, num_valuators = 0, valuators = {{min = 0, max = 0, resolution = 0, 
        mode = 0 '\000', name = 0, scroll = {type = SCROLL_TYPE_NONE, increment = 0, 
          flags = 0}} <repeats 36 times>}, keys = {min_keycode = 8, max_keycode = 255}}, dga_event = {
    header = 255 '\377', type = ET_RawKeyPress, length = 624, time = 4093275, subtype = 3, detail = 11, 
    dx = 65, dy = 0, screen = 0, state = 0}, raw_event = {header = 255 '\377', type = ET_RawKeyPress, 
    length = 624, time = 4093275, deviceid = 3, sourceid = 11, detail = {button = 65, key = 65}, valuators = {
      mask = "\000\000\000\000", data = {0 <repeats 36 times>}, data_raw = {0 <repeats 36 times>}}, 
    flags = 0}}