[Bug 1469394] [NEW] special window settings makes kdeinit5 crash

[Launchpad Bug Tracker]

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In KDE 5 at every window if you right click on the decoration bar and
click on "more settings -> special window settings/ special application
settings" dr konqui shows -- this is reproducible always at my machine.

The backtrace shoes 3 stars but kdeinit5 has no adress so drkonqui
doesnt let me report the bug.

bt:
Application: kdeinit5 (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc20b628780 (LWP 15271))]

Thread 2 (Thread 0x7fc1f597b700 (LWP 15272)):
#0  0x00007fc209d3e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc208185b72 in poll (__timeout=-1, __nfds=1, __fds=0x7fc1f597ad40) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _xcb_conn_wait (c=c at entry=0x2588eb0, cond=cond at entry=0x2588ef0, vector=vector at entry=0x0, count=count at entry=0x0) at ../../src/xcb_conn.c:447
#3  0x00007fc20818764f in xcb_wait_for_event (c=0x2588eb0) at ../../src/xcb_in.c:622
#4  0x00007fc1f7aea099 in QXcbEventReader::run (this=0x2594e20) at qxcbconnection.cpp:1105
#5  0x00007fc20a0b0b0e in QThreadPrivate::start (arg=0x2594e20) at thread/qthread_unix.cpp:337
#6  0x00007fc2078d96aa in start_thread (arg=0x7fc1f597b700) at pthread_create.c:333
#7  0x00007fc209d49eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fc20b628780 (LWP 15271)):
[KCrash Handler]
#6  xcb_send_request (c=0x0, flags=flags at entry=1, vector=vector at entry=0x7ffe73698430, req=req at entry=0x7fc2081932a0 <xcb_req>) at ../../src/xcb_out.c:160
#7  0x00007fc20818b269 in xcb_get_property (c=<optimized out>, _delete=<optimized out>, window=<optimized out>, property=<optimized out>, type=<optimized out>, long_offset=<optimized out>, long_length=100000) at xproto.c:3901
#8  0x00007fc20acfe470 in NETWinInfo::update (this=0x7ffe73698990, dirtyProperties=..., dirtyProperties2=...) at ../../src/netwm.cpp:4161
#9  0x00007fc1f8c07443 in KWin::ClientMachine::resolve (this=0x7ffe73698b30, window=73400325, clientLeader=0) at ../../../kcmkwin/kwinrules/../../client_machine.cpp:179
#10 0x00007fc1f8be044f in findRule (whole_app=false, wid=73400325, rules=...) at ../../../kcmkwin/kwinrules/main.cpp:77
#11 edit (whole_app=false, wid=73400325) at ../../../kcmkwin/kwinrules/main.cpp:212
#12 kdemain (argc=3, argv=<optimized out>) at ../../../kcmkwin/kwinrules/main.cpp:266
#13 0x0000000000408716 in launch (argc=argc at entry=3, _name=_name at entry=0x2575428 "kwin_rules_dialog", args=<optimized out>, args at entry=0x257543a "--wid", cwd=cwd at entry=0x0, envc=envc at entry=0, envs=<optimized out>, envs at entry=0x2575451 "", reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40b710 "0") at ../../../src/kdeinit/kinit.cpp:741
#14 0x000000000040a132 in handle_launcher_request (sock=8, who=who at entry=0x40b6c6 "launcher") at ../../../src/kdeinit/kinit.cpp:1180
#15 0x000000000040a6ee in handle_requests (waitForPid=waitForPid at entry=0) at ../../../src/kdeinit/kinit.cpp:1369
#16 0x000000000040501b in main (argc=5, argv=<optimized out>) at ../../../src/kdeinit/kinit.cpp:1860

** Affects: kdebase (Ubuntu)
     Importance: Undecided
         Status: New

-- 
special window settings makes kdeinit5 crash
https://bugs.launchpad.net/bugs/1469394
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