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List: kdevelop-bugs
Subject: [Bug 188100] New: Crash related to code completion
From: LukasT <lukast.dev () gmail ! com>
Date: 2009-03-25 19:11:09
Message-ID: bug-188100-40295 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=188100
Summary: Crash related to code completion
Product: kdevelop
Version: unspecified
Platform: Compiled Sources
OS/Version: Linux
Status: NEW
Severity: normal
Priority: NOR
Component: general
AssignedTo: kdevelop-bugs@kdevelop.org
ReportedBy: lukast.dev@gmail.com
Version: (using KDE 4.2.1)
OS: Linux
Installed from: Compiled From Sources
Steps to reproduce:
1. Try to autocomplete this kind of function:
http://eigen.tuxfamily.org/api/classEigen_1_1MatrixBase.html#135f14351a7213bf0b764272c14ca68c
It is const, inline, static.
2. Vector3f::<press Ctrl+Spacebar>
3. Crash
Reproducible bug.
[.. kdevelop]$ svn info: Revision: 938425
Application: KDevelop (kdevelop), signal SIGSEGV
[Current thread is 1 (Thread 0xb7f7e770 (LWP 14140))]
Thread 8 (Thread 0xb5800b90 (LWP 14153)):
#0 0x0017e416 in __kernel_vsyscall ()
#1 0x05c233d1 in select () from /lib/libc.so.6
#2 0x00c3af87 in ?? () from /usr/lib/libQtCore.so.4
#3 0x00b6b0be in ?? () from /usr/lib/libQtCore.so.4
#4 0x0014451f in start_thread (arg=0xb5800b90) at pthread_create.c:297
#5 0x05c2b04e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Thread 7 (Thread 0xb4dffb90 (LWP 14180)):
#0 0x0017e416 in __kernel_vsyscall ()
#1 0x00148432 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:179
#2 0x00b6c0dc in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3 0x0411b700 in KDevelop::DUChainPrivate::CleanupThread::run (this=0x9240ee0)
at /home/lukas/src/kdevplatform/language/duchain/duchain.cpp:245
#4 0x00b6b0be in ?? () from /usr/lib/libQtCore.so.4
#5 0x0014451f in start_thread (arg=0xb4dffb90) at pthread_create.c:297
#6 0x05c2b04e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Thread 6 (Thread 0xb3a77b90 (LWP 14181)):
#0 0x00f7d54a in clock_gettime (clock_id=1, tp=0xb3a77068) at
../sysdeps/unix/clock_gettime.c:100
#1 0x00c87d8b in ?? () from /usr/lib/libQtCore.so.4
#2 0x00c87f61 in ?? () from /usr/lib/libQtCore.so.4
#3 0x00c89a9c in ?? () from /usr/lib/libQtCore.so.4
#4 0x00c8633a in ?? () from /usr/lib/libQtCore.so.4
#5 0x068f0142 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#6 0x068f05ca in ?? () from /lib/libglib-2.0.so.0
#7 0x068f0aa1 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#8 0x00c86177 in QEventDispatcherGlib::processEvents () from
/usr/lib/libQtCore.so.4
#9 0x00c5a1ea in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#10 0x00c5a3aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#11 0x00b67e39 in QThread::exec () from /usr/lib/libQtCore.so.4
#12 0x041fa799 in KDevelop::CompletionWorkerThread::run (this=0x935e438) at
/home/lukas/src/kdevplatform/language/codecompletion/codecompletionmodel.cpp:79
#13 0x00b6b0be in ?? () from /usr/lib/libQtCore.so.4
#14 0x0014451f in start_thread (arg=0xb3a77b90) at pthread_create.c:297
#15 0x05c2b04e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Thread 5 (Thread 0xb3076b90 (LWP 14182)):
#0 0x00f7d54a in clock_gettime (clock_id=1, tp=0xb3076068) at
../sysdeps/unix/clock_gettime.c:100
#1 0x00c87d8b in ?? () from /usr/lib/libQtCore.so.4
#2 0x00c87f61 in ?? () from /usr/lib/libQtCore.so.4
#3 0x00c89a9c in ?? () from /usr/lib/libQtCore.so.4
#4 0x00c8633a in ?? () from /usr/lib/libQtCore.so.4
#5 0x068f0142 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#6 0x068f05ca in ?? () from /lib/libglib-2.0.so.0
#7 0x068f0aa1 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#8 0x00c86177 in QEventDispatcherGlib::processEvents () from
/usr/lib/libQtCore.so.4
#9 0x00c5a1ea in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#10 0x00c5a3aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#11 0x00b67e39 in QThread::exec () from /usr/lib/libQtCore.so.4
#12 0x041fa799 in KDevelop::CompletionWorkerThread::run (this=0x935c5e8) at
/home/lukas/src/kdevplatform/language/codecompletion/codecompletionmodel.cpp:79
#13 0x00b6b0be in ?? () from /usr/lib/libQtCore.so.4
#14 0x0014451f in start_thread (arg=0xb3076b90) at pthread_create.c:297
#15 0x05c2b04e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Current language: auto; currently c
Thread 4 (Thread 0xb2675b90 (LWP 14187)):
#0 0x0017e416 in __kernel_vsyscall ()
#1 0x00148432 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:179
#2 0x00b6aac9 in ?? () from /usr/lib/libQtCore.so.4
#3 0x00b6abfb in QThread::msleep () from /usr/lib/libQtCore.so.4
#4 0x0899a0cd in UIBlockTester::UIBlockTesterThread::run (this=0x9534a90) at
/home/lukas/src/kdevelop/languages/cpp/cpplanguagesupport.cpp:945
#5 0x00b6b0be in ?? () from /usr/lib/libQtCore.so.4
#6 0x0014451f in start_thread (arg=0xb2675b90) at pthread_create.c:297
#7 0x05c2b04e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Thread 3 (Thread 0xb15aab90 (LWP 14225)):
#0 0x0017e416 in __kernel_vsyscall ()
#1 0x00148105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2 0x00b6c102 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3 0x00791e58 in ?? () from /usr/lib/libthreadweaver.so.4
#4 0x00794bfc in ?? () from /usr/lib/libthreadweaver.so.4
#5 0x00790a3b in ?? () from /usr/lib/libthreadweaver.so.4
#6 0x00794cfa in ?? () from /usr/lib/libthreadweaver.so.4
#7 0x007923e3 in ?? () from /usr/lib/libthreadweaver.so.4
#8 0x00792cce in ?? () from /usr/lib/libthreadweaver.so.4
#9 0x0079330b in ThreadWeaver::Thread::run () from
/usr/lib/libthreadweaver.so.4
#10 0x00b6b0be in ?? () from /usr/lib/libQtCore.so.4
#11 0x0014451f in start_thread (arg=0xb15aab90) at pthread_create.c:297
#12 0x05c2b04e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Thread 2 (Thread 0xb0ba9b90 (LWP 14226)):
#0 0x0017e416 in __kernel_vsyscall ()
#1 0x00148105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2 0x00b6c102 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3 0x00791e58 in ?? () from /usr/lib/libthreadweaver.so.4
#4 0x00794bfc in ?? () from /usr/lib/libthreadweaver.so.4
#5 0x00790a3b in ?? () from /usr/lib/libthreadweaver.so.4
#6 0x00794cfa in ?? () from /usr/lib/libthreadweaver.so.4
#7 0x007923e3 in ?? () from /usr/lib/libthreadweaver.so.4
#8 0x00794d19 in ?? () from /usr/lib/libthreadweaver.so.4
#9 0x007923e3 in ?? () from /usr/lib/libthreadweaver.so.4
#10 0x00792cce in ?? () from /usr/lib/libthreadweaver.so.4
#11 0x0079330b in ThreadWeaver::Thread::run () from
/usr/lib/libthreadweaver.so.4
#12 0x00b6b0be in ?? () from /usr/lib/libQtCore.so.4
#13 0x0014451f in start_thread (arg=0xb0ba9b90) at pthread_create.c:297
#14 0x05c2b04e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Thread 1 (Thread 0xb7f7e770 (LWP 14140)):
[KCrash Handler]
#6 0x041c0362 in KDevelop::AbstractType::d_func (this=0x0) at
/home/lukas/src/kdevplatform/language/duchain/types/abstracttype.h:257
#7 0x041bfb35 in KDevelop::AbstractType::modifiers (this=0x0) at
/home/lukas/src/kdevplatform/language/duchain/types/abstracttype.cpp:52
#8 0x086abb01 in Cpp::TypeConversion::standardConversion (this=0xbffb3b4c,
from={d = 0xadbb39a8}, to={d = 0xadc285d8}, categories=31, maxCategories=3)
at /home/lukas/src/kdevelop/languages/cpp/cppduchain/typeconversion.cpp:339
#9 0x086ad915 in Cpp::TypeConversion::implicitConversion (this=0xbffb3b4c,
_from={m_index = 618676}, _to={m_index = 1707296}, fromLValue=true,
noUserDefinedConversion=false)
at /home/lukas/src/kdevelop/languages/cpp/cppduchain/typeconversion.cpp:196
#10 0x089eb5ec in Cpp::NormalDeclarationCompletionItem::data (this=0x93ae858,
index=@0xbffb3d1c, role=34, model=0x9368428) at
/home/lukas/src/kdevelop/languages/cpp/codecompletion/item.cpp:312
#11 0x041f83c6 in KDevelop::CodeCompletionModel::data (this=0x9368428,
index=@0xbffb3d1c, role=34) at
/home/lukas/src/kdevplatform/language/codecompletion/codecompletionmodel.cpp:333
#12 0x019fbaf1 in KTextEditor::ModificationInterface::~ModificationInterface ()
from /usr/lib/kde4/katepart.so
#13 0x019fc983 in KTextEditor::ModificationInterface::~ModificationInterface ()
from /usr/lib/kde4/katepart.so
#14 0x01a031f1 in KTextEditor::ModificationInterface::~ModificationInterface ()
from /usr/lib/kde4/katepart.so
#15 0x01a03e4b in KTextEditor::ModificationInterface::~ModificationInterface ()
from /usr/lib/kde4/katepart.so
#16 0x00c70750 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0x00c714d2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0x00caa4c7 in QAbstractItemModel::modelReset () from
/usr/lib/libQtCore.so.4
#19 0x00c51bf8 in QAbstractItemModel::reset () from /usr/lib/libQtCore.so.4
#20 0x041f873d in KDevelop::CodeCompletionModel::foundDeclarations
(this=0x9368428, items=
{{p = {static shared_null = {ref = {_q_value = 84793}, alloc = 0, begin
= 0, end = 0, sharable = 1, array = {0x0}}, d = 0xa741be0}, d = 0xa741be0}},
completionContext={d = 0xad4aa00})
at
/home/lukas/src/kdevplatform/language/codecompletion/codecompletionmodel.cpp:236
#21 0x089bd56d in Cpp::CodeCompletionModel::foundDeclarations (this=0x9368428,
item=
{{p = {static shared_null = {ref = {_q_value = 84793}, alloc = 0, begin
= 0, end = 0, sharable = 1, array = {0x0}}, d = 0xa741be0}, d = 0xa741be0}},
completionContext={d = 0xad4aa00})
at /home/lukas/src/kdevelop/languages/cpp/codecompletion/model.cpp:183
#22 0x041f7ba8 in KDevelop::CodeCompletionModel::qt_metacall (this=0x9368428,
_c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xadce01e0)
at /home/lukas/src/build/kdevplatform/language/codecompletionmodel.moc:80
#23 0x089bd23a in Cpp::CodeCompletionModel::qt_metacall (this=0x9368428,
_c=QMetaObject::InvokeMetaMethod, _id=23, _a=0xadce01e0) at
/home/lukas/src/build/kdevelop/languages/cpp/model.moc:63
#24 0x00c698eb in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#25 0x00c6b461 in QObject::event () from /usr/lib/libQtCore.so.4
#26 0x0483dfec in QApplicationPrivate::notify_helper () from
/usr/lib/libQtGui.so.4
#27 0x04845e2e in QApplication::notify () from /usr/lib/libQtGui.so.4
#28 0x024840fd in KApplication::notify () from /usr/lib/libkdeui.so.5
#29 0x00c5bb21 in QCoreApplication::notifyInternal () from
/usr/lib/libQtCore.so.4
#30 0x00c5c7a5 in QCoreApplicationPrivate::sendPostedEvents () from
/usr/lib/libQtCore.so.4
#31 0x00c5c99d in QCoreApplication::sendPostedEvents () from
/usr/lib/libQtCore.so.4
#32 0x00c8650f in ?? () from /usr/lib/libQtCore.so.4
#33 0x068ed238 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#34 0x068f08e3 in ?? () from /lib/libglib-2.0.so.0
#35 0x068f0aa1 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0x00c86158 in QEventDispatcherGlib::processEvents () from
/usr/lib/libQtCore.so.4
#37 0x048d6e75 in ?? () from /usr/lib/libQtGui.so.4
#38 0x00c5a1ea in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#39 0x00c5a3aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#40 0x00c5ca65 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#41 0x0483de67 in QApplication::exec () from /usr/lib/libQtGui.so.4
#42 0x0804ed10 in main (argc=4066384, argv=0x8e8a5b8) at
/home/lukas/src/kdevelop/app/main.cpp:203
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