Bug#1037557: Info received (Bug#1037557: Info received (Bug#1037557: Acknowledgement (plasma-workspace: krunner crash almost everytime when start typing)))

[piorunz <piorunz@gmx.com>]

Crashing krunner directly from terminal, with gdb on:

$ gdb krunner
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Reading symbols from krunner...
(No debugging symbols found in krunner)
(gdb) run
Starting program: /usr/bin/krunner
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff03ff6c0 (LWP 551440)]
[New Thread 0x7fffed5ff6c0 (LWP 551441)]
[New Thread 0x7fffecdfe6c0 (LWP 551442)]
[New Thread 0x7fffdf5ff6c0 (LWP 551443)]
[New Thread 0x7fffdedfe6c0 (LWP 551444)]
[New Thread 0x7fffde5fd6c0 (LWP 551445)]
[Thread 0x7fffde5fd6c0 (LWP 551445) exited]
[New Thread 0x7fffde5fd6c0 (LWP 551446)]
[New Thread 0x7fffddbfc6c0 (LWP 551447)]
[Thread 0x7fffddbfc6c0 (LWP 551447) exited]
[New Thread 0x7fffddbfc6c0 (LWP 551448)]
[New Thread 0x7fffbedff6c0 (LWP 551449)]
[New Thread 0x7fffbe5fe6c0 (LWP 551450)]
Hspell: can't open /usr/share/hspell/hebrew.wgz.sizes.
kf.sonnet.clients.hspell: HSpellDict::HSpellDict: Init failed
[New Thread 0x7fffb7c226c0 (LWP 551488)]
[New Thread 0x7fffb74216c0 (LWP 551489)]
[New Thread 0x7fffb6b846c0 (LWP 551490)]
Connecting to deprecated signal
QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
[New Thread 0x7fffb627e6c0 (LWP 551506)]
[New Thread 0x7fffb5a7d6c0 (LWP 551507)]
[New Thread 0x7fffb527c6c0 (LWP 551508)]
[New Thread 0x7fffb4a7b6c0 (LWP 551509)]
[New Thread 0x7fff93fff6c0 (LWP 551510)]
[New Thread 0x7fff8b7fe6c0 (LWP 551511)]
[New Thread 0x7fff937fe6c0 (LWP 551512)]
[New Thread 0x7fff92ffd6c0 (LWP 551513)]
[New Thread 0x7fff927fc6c0 (LWP 551514)]
[New Thread 0x7fff91ffb6c0 (LWP 551515)]
[New Thread 0x7fff917fa6c0 (LWP 551516)]
[New Thread 0x7fff90ff96c0 (LWP 551517)]
[New Thread 0x7fff8bfff6c0 (LWP 551518)]
[New Thread 0x7fff8affd6c0 (LWP 551519)]
[New Thread 0x7fff8a7fc6c0 (LWP 551520)]
[New Thread 0x7fff89ffb6c0 (LWP 551521)]
[New Thread 0x7fff897fa6c0 (LWP 551522)]
[New Thread 0x7fff88ff96c0 (LWP 551523)]
[New Thread 0x7fff53fff6c0 (LWP 551524)]
[New Thread 0x7fff4b7fe6c0 (LWP 551525)]
[New Thread 0x7fff537fe6c0 (LWP 551526)]
[New Thread 0x7fff52ffd6c0 (LWP 551527)]
[New Thread 0x7fff527fc6c0 (LWP 551528)]
[New Thread 0x7fff51ffb6c0 (LWP 551529)]
[New Thread 0x7fff517fa6c0 (LWP 551530)]
[New Thread 0x7fff50ff96c0 (LWP 551531)]
[New Thread 0x7fff4bfff6c0 (LWP 551532)]
[New Thread 0x7fff4affd6c0 (LWP 551533)]
[New Thread 0x7fff4a7fc6c0 (LWP 551534)]
[New Thread 0x7fff49ffb6c0 (LWP 551535)]
[New Thread 0x7fff497fa6c0 (LWP 551536)]
[New Thread 0x7fff48ff96c0 (LWP 551537)]
[Detaching after fork from child process 551538]
[Detaching after vfork from child process 551540]
[New Thread 0x7fff127fc6c0 (LWP 551541)]
[New Thread 0x7fff12ffd6c0 (LWP 551545)]
[New Thread 0x7fff10ff96c0 (LWP 551544)]
[New Thread 0x7fff13fff6c0 (LWP 551543)]
[New Thread 0x7fff11ffb6c0 (LWP 551547)]
[New Thread 0x7fff137fe6c0 (LWP 551542)]
[New Thread 0x7fff117fa6c0 (LWP 551546)]

Thread 51 "GlobalQueue[19]" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff13fff6c0 (LWP 551543)]
0x00007fffbca5a010 in MathStructure::clear(bool) () from
/lib/x86_64-linux-gnu/libqalculate.so.22
(gdb) bt
#0  0x00007fffbca5a010 in MathStructure::clear(bool) () from
/lib/x86_64-linux-gnu/libqalculate.so.22
#1  0x00007fffbca5b322 in MathStructure::setAborted(bool) () from
/lib/x86_64-linux-gnu/libqalculate.so.22
#2  0x00007fffbc9d68d7 in CalculateThread::run() () from
/lib/x86_64-linux-gnu/libqalculate.so.22
#3  0x00007fffbca6596f in Thread::doRun(void*) () from
/lib/x86_64-linux-gnu/libqalculate.so.22
#4  0x00007ffff5aa8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007ffff5b285fc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb)

All what needs to be done is to type several numbers very fast. 100%
chance of crash.