https://bugs.kde.org/show_bug.cgi?id=411381
Bug ID: 411381
Summary: Discover crashed after searching for an application
Product: Discover
Version: 5.14.5
Platform: Debian stable
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: discover
Assignee: lei...@leinir.dk
Reporter: ka7588-...@online.de
CC: aleix...@kde.org
Target Milestone: ---
Application: plasma-discover (5.14.5)
Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.19.0-5-amd64 x86_64
Distribution: Debian GNU/Linux 10 (buster)
-- Information about the crash:
- What I was doing when the application crashed:
-started discover
-searched for "time"
-clicked on "Back In Time"
-discover was looking for system updates
-discover crashed
The crash can be reproduced every time.
-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe2498d7800 (LWP 16181))]
Thread 13 (Thread 0x7fe218ce6700 (LWP 16703)):
#0 0x00007fe24c16fe69 in g_mutex_lock () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007fe24c126040 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24dc0187b in QEventDispatcherGlib::processEvents
(this=0x7fe200000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4 0x00007fe24dbaf27b in QEventLoop::exec (this=this@entry=0x7fe218ce5da0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5 0x00007fe24d9feec6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x5613b7e67530) at
thread/qthread_unix.cpp:367
#7 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 12 (Thread 0x7fe219580700 (LWP 16699)):
#0 0x00007fe24c16fe84 in g_mutex_unlock () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007fe24c12565c in g_main_context_prepare () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe24c12606b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fe24dc0187b in QEventDispatcherGlib::processEvents
(this=0x7fe1fc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5 0x00007fe24dbaf27b in QEventLoop::exec (this=this@entry=0x7fe21957fda0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6 0x00007fe24d9feec6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x7fe2280e8e20) at
thread/qthread_unix.cpp:367
#8 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 11 (Thread 0x7fe219ffb700 (LWP 16205)):
#0 0x00007fe24d6ed819 in __GI___poll (fds=0x7fe208011590, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fe24c126136 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24dc0187b in QEventDispatcherGlib::processEvents
(this=0x7fe208000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4 0x00007fe24dbaf27b in QEventLoop::exec (this=this@entry=0x7fe219ffada0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5 0x00007fe24d9feec6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x5613afde0610) at
thread/qthread_unix.cpp:367
#7 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 10 (Thread 0x7fe21bfff700 (LWP 16200)):
#0 0x00007fe24d6ed819 in __GI___poll (fds=0x7fe21408b5f0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fe24c126136 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24dc0187b in QEventDispatcherGlib::processEvents
(this=0x7fe214000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4 0x00007fe24dbaf27b in QEventLoop::exec (this=this@entry=0x7fe21bffeda0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5 0x00007fe24d9feec6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x5613b075eba0) at
thread/qthread_unix.cpp:367
#7 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 0x7fe22d131700 (LWP 16191)):
#0 0x00007fe24c16fe69 in g_mutex_lock () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007fe24c1254d7 in g_main_context_prepare () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe24c12606b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fe24dc0187b in QEventDispatcherGlib::processEvents
(this=0x7fe220000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5 0x00007fe24dbaf27b in QEventLoop::exec (this=this@entry=0x7fe22d130da0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6 0x00007fe24d9feec6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x5613b1671410) at
thread/qthread_unix.cpp:367
#8 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 0x7fe22d932700 (LWP 16190)):
#0 __GI___libc_read (nbytes=16, buf=0x7fe22d931cd0, fd=18) at
../sysdeps/unix/sysv/linux/read.c:26
#1 __GI___libc_read (fd=18, buf=0x7fe22d931cd0, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2 0x00007fe24c16baa0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24c125c0f in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fe24c1260e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fe24c1264c2 in g_main_loop_run () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6 0x00007fe22eb6f0d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7 0x00007fe24c14e415 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7fe22e133700 (LWP 16189)):
#0 0x00007fe24d6ed819 in __GI___poll (fds=0x5613b1610ec0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fe24c126136 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24c1262a1 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fe24c14e415 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7fe23516b700 (LWP 16188)):
#0 0x00007fe24c16fe69 in g_mutex_lock () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007fe24c126040 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24dc0187b in QEventDispatcherGlib::processEvents
(this=0x7fe228000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4 0x00007fe24dbaf27b in QEventLoop::exec (this=this@entry=0x7fe23516ad60,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5 0x00007fe24d9feec6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6 0x00007fe24f434476 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x5613b14cba80) at
thread/qthread_unix.cpp:367
#8 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7fe236451700 (LWP 16186)):
#0 futex_wait_cancelable (private=0, expected=0, futex_word=0x5613aff4550c) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5613aff454b8,
cond=0x5613aff454e0) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5613aff454e0, mutex=0x5613aff454b8) at
pthread_cond_wait.c:655
#3 0x00007fe236a86e03 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007fe236a86b57 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7fe2453fa700 (LWP 16185)):
#0 __GI___libc_read (nbytes=16, buf=0x7fe2453f9b60, fd=11) at
../sysdeps/unix/sysv/linux/read.c:26
#1 __GI___libc_read (fd=11, buf=0x7fe2453f9b60, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2 0x00007fe24c16baa0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24c125c0f in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fe24c1260e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6 0x00007fe24dc0187b in QEventDispatcherGlib::processEvents
(this=0x7fe23c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7 0x00007fe24dbaf27b in QEventLoop::exec (this=this@entry=0x7fe2453f9d80,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#8 0x00007fe24d9feec6 in QThread::exec (this=this@entry=0x5613afaf05e0) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#9 0x00007fe24e18cc65 in QQmlThreadPrivate::run (this=0x5613afaf05e0) at
qml/ftw/qqmlthread.cpp:148
#10 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x5613afaf05e0) at
thread/qthread_unix.cpp:367
#11 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#12 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7fe24695e700 (LWP 16183)):
#0 0x00007fe24c1259f3 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007fe24c1260e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe24c12625c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe24dc0187b in QEventDispatcherGlib::processEvents
(this=0x7fe238000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4 0x00007fe24dbaf27b in QEventLoop::exec (this=this@entry=0x7fe24695dd70,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5 0x00007fe24d9feec6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6 0x00007fe24eed4545 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x7fe24ef54d60) at
thread/qthread_unix.cpp:367
#8 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7fe2486ca700 (LWP 16182)):
#0 0x00007fe24d6ed819 in __GI___poll (fds=0x7fe2486c9cb8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fe24c045cf7 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007fe24c04791a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007fe249477d79 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007fe24da08aa7 in QThreadPrivate::start (arg=0x5613afa05c00) at
thread/qthread_unix.cpp:367
#5 0x00007fe24cba1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007fe24d6f84cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7fe2498d7800 (LWP 16181)):
[KCrash Handler]
#6 0x00007fe24dbd75b8 in std::__atomic_base<QThread*>::load
(__m=std::memory_order_acquire, this=<error reading variable: Cannot access
memory at address 0x76006e00490058>) at
/usr/include/c++/8/bits/atomic_base.h:707
#7 std::atomic<QThread*>::load (__m=std::memory_order_acquire, this=<error
reading variable: Cannot access memory at address 0x76006e00490058>) at
/usr/include/c++/8/atomic:452
#8 QAtomicOps<QThread*>::loadAcquire<QThread*> (_q_value=<error reading
variable: Cannot access memory at address 0x76006e00490058>) at
../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:239
#9 QBasicAtomicPointer<QThread>::loadAcquire (this=<error reading variable:
Cannot access memory at address 0x76006e00490058>) at
../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:245
#10 QBasicAtomicPointer<QThread>::operator QThread* (this=<error reading
variable: Cannot access memory at address 0x76006e00490058>) at
../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:241
#11 QObject::thread (this=this@entry=0x7fe23808b630) at kernel/qobject.cpp:1420
#12 0x00007fe24dbe0b24 in QObject::QObject (this=0x5613b7b902d0, dd=...,
parent=0x7fe23808b630) at kernel/qobject.cpp:833
#13 0x00007fe2478fcac4 in QQuickActionGroupAttached::QQuickActionGroupAttached
(this=0x5613b7b902d0, parent=0x7fe23808b630) at qquickactiongroup.cpp:416
#14 0x00007fe2478fcb01 in QQuickActionGroup::qmlAttachedProperties
(object=0x7fe23808b630) at qquickactiongroup.cpp:240
#15 0x00007fe24e0e5ced in QtQml::qmlAttachedPropertiesObjectById (id=<optimized
out>, object=object@entry=0x7fe23808b630, create=create@entry=true) at
qml/qqmlengine.cpp:1576
#16 0x00007fe24e17e4a5 in QV4::QQmlTypeWrapper::get (m=0x7fe2447bb6a0,
name=0x7fe2447bb698, hasProperty=0x0) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:1038
#17 0x00007fe24e0c3712 in QV4::Object::get (hasProperty=0x0, name=<optimized
out>, this=0x7fe2447bb6a0) at
../../include/QtQml/5.11.3/QtQml/private/../../../../../src/qml/memory/qv4heap_p.h:101
#18 QV4::Runtime::method_loadProperty (engine=0x5613afaba2a0, object=...,
nameIndex=<optimized out>) at jsruntime/qv4runtime.cpp:728
#19 0x00007fe2340001dc in ?? ()
#20 0x00007fe2447bb620 in ?? ()
#21 0x00007fe2447bb630 in ?? ()
#22 0x00005613afaba2a0 in ?? ()
#23 0x0000000000000000 in ?? ()
[Inferior 1 (process 16181) detached]
Reported using DrKonqi
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