Help kioslave from KF 5.51.0 always crashes

[Heiko Becker]

On Samstag, 13. Oktober 2018 19:36:39 CEST, Albert Astals Cid wrote:
>> with kio-5.51.0 the help kioslave always crashes here, doesn't 
>> matter if I 
>> use it via F1, the handbook entry in the menu or in khelpcenter directly 
>> (https://bugs.kde.org/show_bug.cgi?id=399709)
>> 
>> If I revert  ...
>
> Backtrace?

Already posted at https://bugs.kde.org/show_bug.cgi?id=399709, but here it 
goes again:

Application: kdeinit5 (kdeinit5), signal: Segmentation fault
Using host libthread_db library 
"/usr/x86_64-pc-linux-gnu/lib/libthread_db.so.1".
[KCrash Handler]
#6  0x00007fb48e8a1e3c in std::__atomic_base<int>::load 
(__m=std::memory_order_relaxed, this=0x3500740071006e) at 
/usr/x86_64-pc-linux-gnu/include/c++/8.2.0/bits/atomic_base.h:390
#7  QAtomicOps<int>::load<int> (_q_value=...) at 
../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:227
#8  QBasicAtomicInteger<int>::load (this=0x3500740071006e) at 
../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:103
#9  QtPrivate::RefCount::deref (this=0x3500740071006e) at 
../../include/QtCore/../../src/corelib/tools/qrefcount.h:66
#10 QString::operator= (this=0x56011cf86260, other=...) at 
tools/qstring.cpp:2185
#11 0x00007fb48f3d0cc6 in KCrash::setApplicationFilePath (filePath=...) at 
/usr/x86_64-pc-linux-gnu/include/qt5/QtCore/qlist.h:115
#12 0x00007fb48f3d17e3 in KCrash::initialize () at 
/var/tmp/paludis/build/kde-frameworks-kcrash-5.51.0/work/kcrash-5.51.0/src/kcrash.cpp:138
#13 0x00007fb48abf9691 in KIO::SlaveBase::SlaveBase (this=0x7ffc90f74220, 
protocol=..., pool_socket=..., app_socket=...) at 
/var/tmp/paludis/build/kde-frameworks-kio-5.51.0/work/kio-5.51.0/src/core/slavebase.cpp:244
#14 0x00007fb48f41cb4f in HelpProtocol::HelpProtocol (this=0x7ffc90f74220, 
ghelp=<optimized out>, pool=..., app=...) at 
/var/tmp/paludis/build/kde-frameworks-kio-5.51.0/work/kio-5.51.0/src/ioslaves/help/kio_help.cpp:146
#15 0x00007fb48f41fb12 in kdemain (argc=<optimized out>, argv=<optimized 
out>) at 
/var/tmp/paludis/build/kde-frameworks-kio-5.51.0/work/kio-5.51.0/src/ioslaves/help/main.cpp:57
#16 0x000056011bbc39e8 in launch (argc=4, _name=0x56011cf81a38 
"/usr/x86_64-pc-linux-gnu/lib/qt5/plugins/kf5/kio/help.so", args=<optimized 
out>, cwd=<optimized out>, envc=0, envs=<optimized out>, reset_env=false, 
tty=0x0, avoid_loops=false, startup_id_str=0x56011bbc616c "0") at 
/var/tmp/paludis/build/kde-frameworks-kinit-5.51.0/work/kinit-5.51.0/src/kdeinit/kinit.cpp:706
#17 0x000056011bbc4998 in handle_launcher_request (sock=8, who=<optimized 
out>) at 
/var/tmp/paludis/build/kde-frameworks-kinit-5.51.0/work/kinit-5.51.0/src/kdeinit/kinit.cpp:1146
#18 0x000056011bbc523b in handle_requests (waitForPid=0) at 
/var/tmp/paludis/build/kde-frameworks-kinit-5.51.0/work/kinit-5.51.0/src/kdeinit/kinit.cpp:1339
#19 0x000056011bbc056e in main (argc=5, argv=<optimized out>) at 
/var/tmp/paludis/build/kde-frameworks-kinit-5.51.0/work/kinit-5.51.0/src/kdeinit/kinit.cpp:1785
[Inferior 1 (process 15353) detached]


Cheers,
Heiko