Bug 401562

Summary: KDevelop crashed when trying to open project configuration.
Product: [Applications] kdevelop Reporter: Matthew <willyoumeryme>
Component: generalAssignee: kdevelop-bugs-null
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 5.3.0   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Matthew 2018-11-30 10:16:58 UTC 
Application: kdevelop (5.3.0)

Qt Version: 5.11.2
Frameworks Version: 5.52.0
Operating System: Linux 4.19.4-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
Trying to edit the configuration of my opened project. This only happens with a particular project with a lot of empty directories.

The crash can be reproduced every time.

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff9228afb00 (LWP 17221))]

Thread 24 (Thread 0x7ff8c97fa700 (LWP 17366)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7ff8c9ffb700 (LWP 17365)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7ff8ca7fc700 (LWP 17364)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7ff8caffd700 (LWP 17363)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7ff8cb7fe700 (LWP 17362)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7ff8cbfff700 (LWP 17361)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7ff8e882f700 (LWP 17360)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7ff8e9030700 (LWP 17359)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7ff8e9831700 (LWP 17358)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7ff8ea032700 (LWP 17357)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7ff8ea833700 (LWP 17356)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7ff8eb034700 (LWP 17355)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362be392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7ff8eb835700 (LWP 17354)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff9362ba469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007ff9362be339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007ff9362b952d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007ff9362bc389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7ff8ec036700 (LWP 17349)):
#0  0x00007ff939db0385 in  () at /usr/lib/libQt5Core.so.5
#1  0x00007ff9363427aa in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff936342e06 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff936342fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007ff939daffe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007ff939ba4eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007ff9388c5106 in  () at /usr/lib/libKDevPlatformLanguage.so.53
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7ff8f7913700 (LWP 17343)):
#0  0x00007ff936e0cef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939baf5fd in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ff939ba7024 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7ff9115c8700 (LWP 17254)):
#0  0x00007ff939886c21 in poll () at /usr/lib/libc.so.6
#1  0x00007ff936342ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff936342fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff939daffe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff939ba4eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ff8fc63e22a in  () at /usr/lib/qt/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#7  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7ff910dc7700 (LWP 17233)):
#0  0x00007ff936e0cafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ff939a0fcd1 in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007ff939a0fcd1 in std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized out>, __lock=...) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007ff8ff502f14 in  () at /usr/lib/libQt5WebKit.so.5
#4  0x00007ff8ff503039 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007ff939a16063 in std::execute_native_thread_routine(void*) (__p=0x55bd9cf8f7c0) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/thread.cc:80
#6  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7ff911fa3700 (LWP 17229)):
#0  0x00007ff939886c21 in poll () at /usr/lib/libc.so.6
#1  0x00007ff936342ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff936342fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff939daffe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff939ba4eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7ff912dbe700 (LWP 17227)):
#0  0x00007ff939886c21 in poll () at /usr/lib/libc.so.6
#1  0x00007ff936342ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff936342fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff939daffe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff939ba4eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7ff913fff700 (LWP 17225)):
#0  0x00007ff9362f13a9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007ff9363427b7 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff936342e06 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff936342fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007ff939daffe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007ff939ba4eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007ff9373bf859 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7ff918ae4700 (LWP 17224)):
#0  0x00007ff939886c21 in poll () at /usr/lib/libc.so.6
#1  0x00007ff936342ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff936342fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff939daffe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff939ba4eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ff9387bb671 in  () at /usr/lib/libKDevPlatformLanguage.so.53
#7  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7ff919f1c700 (LWP 17223)):
#0  0x00007ff939886c21 in poll () at /usr/lib/libc.so.6
#1  0x00007ff936342ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007ff936342fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ff939daffe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ff939ba4eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ff93ad47ba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7ff92155e700 (LWP 17222)):
#0  0x00007ff939886c21 in poll () at /usr/lib/libc.so.6
#1  0x00007ff92f546630 in  () at /usr/lib/libxcb.so.1
#2  0x00007ff92f5482db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007ff922452c5a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007ff939baef65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007ff936e06a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007ff939891b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7ff9228afb00 (LWP 17221)):
[KCrash Handler]
#6  0x00007ff918121e2e in  () at /usr/lib/qt/plugins/kdevplatform/31/kdevclazy.so
#7  0x00007ff918122697 in  () at /usr/lib/qt/plugins/kdevplatform/31/kdevclazy.so
#8  0x00007ff918113c9c in  () at /usr/lib/qt/plugins/kdevplatform/31/kdevclazy.so
#9  0x00007ff91810a431 in  () at /usr/lib/qt/plugins/kdevplatform/31/kdevclazy.so
#10 0x00007ff93b3b7662 in  () at /usr/lib/libKDevPlatformShell.so.53
#11 0x00007ff939d86bd0 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#12 0x00007ff93a81f613 in QAction::triggered(bool) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007ff93a821d0a in QAction::activate(QAction::ActionEvent) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007ff93a99a09d in  () at /usr/lib/libQt5Widgets.so.5
#15 0x00007ff93a9a1892 in  () at /usr/lib/libQt5Widgets.so.5
#16 0x00007ff93a9a28fc in QMenu::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/libQt5Widgets.so.5
#17 0x00007ff93a865658 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#18 0x00007ff93a9a500c in QMenu::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#19 0x00007ff93a825e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#20 0x00007ff93a82d92a in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#21 0x00007ff939d5cc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#22 0x00007ff93a82cc11 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/libQt5Widgets.so.5
#23 0x00007ff93a880d57 in  () at /usr/lib/libQt5Widgets.so.5
#24 0x00007ff93a8835d5 in  () at /usr/lib/libQt5Widgets.so.5
#25 0x00007ff93a825e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#26 0x00007ff93a82d6e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#27 0x00007ff939d5cc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#28 0x00007ff93a1ef0dc in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/libQt5Gui.so.5
#29 0x00007ff93a1f1066 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#30 0x00007ff93a1caa3c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#31 0x00007ff9224e8dad in  () at /usr/lib/libQt5XcbQpa.so.5
#32 0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#33 0x00007ff93a99f416 in QMenu::exec(QPoint const&, QAction*) () at /usr/lib/libQt5Widgets.so.5
#34 0x00007ff91252c1ec in  () at /usr/lib/qt/plugins/kdevplatform/31/kdevprojectmanagerview.so
#35 0x00007ff939d86bd0 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#36 0x00007ff93a84af76 in QWidget::customContextMenuRequested(QPoint const&) () at /usr/lib/libQt5Widgets.so.5
#37 0x00007ff93a8664db in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#38 0x00007ff93a90bcef in QFrame::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#39 0x00007ff93aa863e4 in QAbstractItemView::viewportEvent(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#40 0x00007ff93aaf029c in QTreeView::viewportEvent(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#41 0x00007ff939d5c94b in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#42 0x00007ff93a825e04 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#43 0x00007ff93a82db90 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#44 0x00007ff939d5cc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#45 0x00007ff93a881194 in  () at /usr/lib/libQt5Widgets.so.5
#46 0x00007ff93a8835d5 in  () at /usr/lib/libQt5Widgets.so.5
#47 0x00007ff93a825e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#48 0x00007ff93a82d6e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#49 0x00007ff939d5cc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#50 0x00007ff93a1ef0dc in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/libQt5Gui.so.5
#51 0x00007ff93a1f1066 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#52 0x00007ff93a1caa3c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#53 0x00007ff9224e8dad in  () at /usr/lib/libQt5XcbQpa.so.5
#54 0x00007ff939d5b8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#55 0x00007ff939d63bc6 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#56 0x000055bd9af7dcc1 in  ()
#57 0x00007ff9397ba223 in __libc_start_main () at /usr/lib/libc.so.6
#58 0x000055bd9af7e85e in _start ()
[Inferior 1 (process 17221) detached]

Reported using DrKonqi
Comment 1 Matthew 2018-11-30 10:25:08 UTC 
This crash can always be reproduced on my machine as follows:
1. create an empty project
2. try to edit the configuration of the empty project
Comment 2 Kevin Funk 2018-11-30 10:35:09 UTC 
Will be fixed in 5.3.1.

*** This bug has been marked as a duplicate of bug 400769 ***