https://bugs.kde.org/show_bug.cgi?id=441319
Bug ID: 441319
Summary: reproducible libclang: crash detected during parsing
on startup
Product: kdevelop
Version: 5.6.2
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Language Support: CPP (Clang-based)
Assignee: kdevelop-bugs-n...@kde.org
Reporter: amber...@hotmail.com
Target Milestone: ---
Created attachment 140920
--> https://bugs.kde.org/attachment.cgi?id=140920&action=edit
change causing kdevelop crash
SUMMARY
Short story long: saw that ECM 5.85.0 comes with optional stricter compiler
settings so decided to turn them on and work through them (project is
https://sourceforge.net/p/kuroo).
STEPS TO REPRODUCE
1. Fetch revision #1657 of https://svn.code.sf.net/p/kuroo/code/kuroo4/trunk
2. Apply attached patch
3. Trigger clang reparse of the project
OBSERVED RESULT
KDevelop crashes, console output:
```
$ kdevelop
QSocketNotifier: Can only be used with threads started with QThread
kdevplatform.serialization: version mismatch or no version hint; expected
version: 84279809
kdevplatform.serialization: "The data-repository at
/home/andrew/.cache/kdevduchain/kdevelop-{83555a53-d447-4862-b0f6-024f33d6573b}
has to be cleared."
Connecting to deprecated signal
QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
kf.coreaddons: no metadata found in "/usr/lib64/qt5/plugins/kf5/kio/desktop.so"
"Failed to extract plugin meta data from
'/usr/lib64/qt5/plugins/kf5/kio/desktop.so'"
kf.coreaddons: no metadata found in
"/usr/lib64/qt5/plugins/kf5/kio/applications.so" "Failed to extract plugin meta
data from '/usr/lib64/qt5/plugins/kf5/kio/applications.so'"
kf.coreaddons: no metadata found in "/usr/lib64/qt5/plugins/kf5/kio/desktop.so"
"Failed to extract plugin meta data from
'/usr/lib64/qt5/plugins/kf5/kio/desktop.so'"
kf.coreaddons: no metadata found in
"/usr/lib64/qt5/plugins/kf5/kio/applications.so" "Failed to extract plugin meta
data from '/usr/lib64/qt5/plugins/kf5/kio/applications.so'"
kf.coreaddons: no metadata found in "/usr/lib64/qt5/plugins/kf5/kio/desktop.so"
"Failed to extract plugin meta data from
'/usr/lib64/qt5/plugins/kf5/kio/desktop.so'"
kf.coreaddons: no metadata found in
"/usr/lib64/qt5/plugins/kf5/kio/applications.so" "Failed to extract plugin meta
data from '/usr/lib64/qt5/plugins/kf5/kio/applications.so'"
qrc:/qml/Develop.qml:139:21: QML Heading: Binding loop detected for property
"font.pointSize"
qrc:/qml/area_code.qml:87:9: QML Heading: Binding loop detected for property
"font.pointSize"
qrc:/qml/area_code.qml:63:9: QML Heading: Binding loop detected for property
"font.pointSize"
qrc:/qml/storage.js:24: TypeError: Cannot call method 'openDatabaseSync' of
undefined
qrc:/qml/storage.js:24: TypeError: Cannot call method 'openDatabaseSync' of
undefined
libclang: crash detected during parsing: {
'source_filename' : '/home/andrew/code/kuroo/trunk/src/core/global.cpp'
'command_line_args' : ['clang', '-ferror-limit=100', '-fspell-checking', '',
'-Wunused-parameter', '-Wunreachable-code', '-Wall', '-Wextra', '-Wcast-align',
'-Wchar-subscripts', '-Wformat-security', '-Wno-long-long', '-Wpointer-arith',
'-Wundef', '-Wnon-virtual-dtor', '-Woverloaded-virtual', '-Wreturn-type',
'-Wvla', '-Wdate-time', '-Wsuggest-override', '-Wlogical-op', '-std=c++11',
'-fno-operator-names', '-Wall', '-Wextra', '-Wcast-align', '-Wchar-subscripts',
'-Wformat-security', '-Wno-long-long', '-Wpointer-arith', '-Wundef',
'-Wnon-virtual-dtor', '-Woverloaded-virtual', '-Wreturn-type', '-Wvla',
'-Wdate-time', '-Wsuggest-override', '-Wlogical-op', '-pedantic',
'-Wzero-as-null-pointer-constant', '-Wmissing-include-dirs',
'-fdiagnostics-color=always', '-fexceptions', '-fvisibility=hidden',
'-fvisibility-inlines-hidden', '-fPIC', '-std=c++17', '-nostdinc',
'-nostdinc++', '-xc++', '-isystem',
'/usr/share/kdevclangsupport/wrappedQtHeaders', '-isystem',
'/usr/share/kdevclangsupport/wrappedQtHeaders/QtCore',
'-isystem/usr/include/qt5', '-isystem/usr/include/KF5/KItemViews',
'-isystem/usr/include/KF5/kio', '-isystem/usr/include/KF5/KJobWidgets',
'-isystem/usr/include/KF5/KNotifications',
'-isystem/usr/include/KF5/KWidgetsAddons',
'-isystem/usr/include/KF5/KConfigCore', '-isystem/usr/include/KF5/KCoreAddons',
'-isystem/usr/include/KF5/KI18n', '-isystem/usr/include/KF5/KService',
'-isystem/usr/include/KF5/KCompletion',
'-isystem/usr/include/KF5/ThreadWeaver',
'-isystem/usr/include/KF5/KTextWidgets', '-isystem/usr/include/KF5/Solid',
'-isystem/usr/include/KF5/KDESu', '-isystem/usr/include/KF5/KWindowSystem',
'-isystem/usr/include/KF5/KCoreAddons', '-isystem/usr/include/KF5/SonnetCore',
'-isystem/usr/include/KF5/KPty', '-isystem/usr/include/KF5/KAuth',
'-isystem/usr/include/KF5/KWidgetsAddons',
'-isystem/usr/include/KF5/KConfigWidgets', '-isystem/usr/include/KF5/KXmlGui',
'-isystem/usr/include/qt5/QtWidgets', '-isystem/usr/include/qt5/QtGui',
'-isystem/usr/include/qt5/QtCore', '-isystem/usr/include/KF5/KCodecs',
'-isystem/usr/include/KF5/KIconThemes', '-isystem/usr/include/KF5/KItemModels',
'-isystem/usr/include/qt5', '-isystem/usr/include/qt5/QtCore',
'-isystem/usr/lib64/qt5/mkspecs/linux-g++', '-isystem/usr/include/KF5/KAuth',
'-isystem/usr/include/KF5', '-isystem/usr/include/KF5/KCoreAddons',
'-isystem/usr/include/KF5/KConfigCore', '-isystem/usr/include/KF5/KConfigGui',
'-isystem/usr/include/qt5/QtGui', '-isystem/usr/include/qt5/QtXml',
'-isystem/usr/include/KF5/KI18n', '-isystem/usr/include/KF5/KItemViews',
'-isystem/usr/include/qt5/QtWidgets', '-isystem/usr/include/KF5/KIOCore',
'-isystem/usr/include/KF5/KService', '-isystem/usr/include/qt5/QtNetwork',
'-isystem/usr/include/qt5/QtDBus', '-isystem/usr/include/KF5/KNotifications',
'-isystem/usr/include/KF5/ThreadWeaver',
'-isystem/usr/include/KF5/KTextWidgets', '-isystem/usr/include/KF5/SonnetUi',
'-isystem/usr/include/KF5/KWidgetsAddons',
'-isystem/usr/include/KF5/KWindowSystem', '-isystem/usr/include/KF5/KXmlGui',
'-isystem/usr/include/KF5/KConfigWidgets', '-isystem/usr/include/KF5/KCodecs',
'-isystem/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11',
'-isystem/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/x86_64-pc-linux-gnu',
'-isystem/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/backward',
'-isystem/usr/include', '-I/home/andrew/code/kuroo/trunk/src',
'-I/home/andrew/code/kuroo/trunk/src/portage',
'-I/home/andrew/code/kuroo/trunk/src/core',
'-I/home/andrew/code/kuroo/trunk/src/queue',
'-I/home/andrew/code/kuroo/trunk/src/history',
'-I/home/andrew/code/kuroo/trunk/src/config',
'-I/home/andrew/code/kuroo/trunk/src/logs',
'-I/home/andrew/code/kuroo/trunk/build/src',
'-I/home/andrew/code/kuroo/trunk/src',
'-I/home/andrew/code/kuroo/trunk/build/src/kuroo_autogen/include',
'-I/home/andrew/code/kuroo/trunk/src/config',
'-I/home/andrew/code/kuroo/trunk/src/core',
'-I/home/andrew/code/kuroo/trunk/src/history',
'-I/home/andrew/code/kuroo/trunk/src/intro',
'-I/home/andrew/code/kuroo/trunk/src/logs',
'-I/home/andrew/code/kuroo/trunk/src/portage',
'-I/home/andrew/code/kuroo/trunk/src/queue', '-isystem',
'/usr/lib/clang/12.0.1/include', '-imacros', '/tmp/kdevelop.uOquwG',
'-working-directory/home/andrew/code/kuroo/trunk/build'],
'unsaved_files' : [],
'options' : 781,
}
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = kdevelop path = /usr/bin pid = 11999
KCrash: Arguments: /usr/bin/kdevelop
KCrash: Attempting to start /usr/lib64/libexec/drkonqi
QSocketNotifier: Invalid socket 3 and type 'Read', disabling...
QSocketNotifier: Invalid socket 14 and type 'Read', disabling...
QSocketNotifier: Invalid socket 65 and type 'Read', disabling...
QSocketNotifier: Invalid socket 75 and type 'Read', disabling...
QSocketNotifier: Invalid socket 67 and type 'Read', disabling...
QSocketNotifier: Invalid socket 70 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 72 and type 'Read', disabling...
QSocketNotifier: Invalid socket 22 and type 'Read', disabling...
QSocketNotifier: Invalid socket 25 and type 'Read', disabling...
QSocketNotifier: Invalid socket 19 and type 'Read', disabling...
The Wayland connection experienced a fatal error: Invalid argument
Unable to start Dr. Konqi
QSocketNotifier: Can only be used with threads started with QThread
```
EXPECTED RESULT
KDevelop works as usual
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Gentoo kernel 5.12.19
(available in About System)
KDE Plasma Version: 5.85.0
KDE Frameworks Version: 5.22.4
Qt Version: 5.15.2
ADDITIONAL INFORMATION
Output when running the clang command manually:
```
~/code/kuroo/trunk $ clang -ferror-limit=100 -fspell-checking
-Wunused-parameter -Wunreachable-code -Wall -Wextra -Wcast-align
-Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith -Wundef
-Wnon-virtual-dtor -Woverloaded-virtual -Wreturn-type -Wvla -Wdate-time
-Wsuggest-override -Wlogical-op -std=c++11 -fno-operator-names -Wall -Wextra
-Wcast-align -Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith
-Wundef -Wnon-virtual-dtor -Woverloaded-virtual -Wreturn-type -Wvla -Wdate-time
-Wsuggest-override -Wlogical-op -pedantic -Wzero-as-null-pointer-constant
-Wmissing-include-dirs -fdiagnostics-color=always -fexceptions
-fvisibility=hidden -fvisibility-inlines-hidden -fPIC -std=c++17 -nostdinc
-nostdinc++ -xc++ -isystem /usr/share/kdevclangsupport/wrappedQtHeaders
-isystem /usr/share/kdevclangsupport/wrappedQtHeaders/QtCore
-isystem/usr/include/qt5 -isystem/usr/include/KF5/KItemViews
-isystem/usr/include/KF5/kio -isystem/usr/include/KF5/KJobWidgets
-isystem/usr/include/KF5/KNotifications -isystem/usr/include/KF5/KWidgetsAddons
-isystem/usr/include/KF5/KConfigCore -isystem/usr/include/KF5/KCoreAddons
-isystem/usr/include/KF5/KI18n -isystem/usr/include/KF5/KService
-isystem/usr/include/KF5/KCompletion -isystem/usr/include/KF5/ThreadWeaver
-isystem/usr/include/KF5/KTextWidgets -isystem/usr/include/KF5/Solid
-isystem/usr/include/KF5/KDESu -isystem/usr/include/KF5/KWindowSystem
-isystem/usr/include/KF5/KCoreAddons -isystem/usr/include/KF5/SonnetCore
-isystem/usr/include/KF5/KPty -isystem/usr/include/KF5/KAuth
-isystem/usr/include/KF5/KWidgetsAddons -isystem/usr/include/KF5/KConfigWidgets
-isystem/usr/include/KF5/KXmlGui -isystem/usr/include/qt5/QtWidgets
-isystem/usr/include/qt5/QtGui -isystem/usr/include/qt5/QtCore
-isystem/usr/include/KF5/KCodecs -isystem/usr/include/KF5/KIconThemes
-isystem/usr/include/KF5/KItemModels -isystem/usr/include/qt5
-isystem/usr/include/qt5/QtCore -isystem/usr/lib64/qt5/mkspecs/linux-g++
-isystem/usr/include/KF5/KAuth -isystem/usr/include/KF5
-isystem/usr/include/KF5/KCoreAddons -isystem/usr/include/KF5/KConfigCore
-isystem/usr/include/KF5/KConfigGui -isystem/usr/include/qt5/QtGui
-isystem/usr/include/qt5/QtXml -isystem/usr/include/KF5/KI18n
-isystem/usr/include/KF5/KItemViews -isystem/usr/include/qt5/QtWidgets
-isystem/usr/include/KF5/KIOCore -isystem/usr/include/KF5/KService
-isystem/usr/include/qt5/QtNetwork -isystem/usr/include/qt5/QtDBus
-isystem/usr/include/KF5/KNotifications -isystem/usr/include/KF5/ThreadWeaver
-isystem/usr/include/KF5/KTextWidgets -isystem/usr/include/KF5/SonnetUi
-isystem/usr/include/KF5/KWidgetsAddons -isystem/usr/include/KF5/KWindowSystem
-isystem/usr/include/KF5/KXmlGui -isystem/usr/include/KF5/KConfigWidgets
-isystem/usr/include/KF5/KCodecs
-isystem/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11
-isystem/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/x86_64-pc-linux-gnu
-isystem/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/backward
-isystem/usr/include -I/home/andrew/code/kuroo/trunk/src
-I/home/andrew/code/kuroo/trunk/src/portage
-I/home/andrew/code/kuroo/trunk/src/core
-I/home/andrew/code/kuroo/trunk/src/queue
-I/home/andrew/code/kuroo/trunk/src/history
-I/home/andrew/code/kuroo/trunk/src/config
-I/home/andrew/code/kuroo/trunk/src/logs
-I/home/andrew/code/kuroo/trunk/build/src -I/home/andrew/code/kuroo/trunk/src
-I/home/andrew/code/kuroo/trunk/build/src/kuroo_autogen/include
-I/home/andrew/code/kuroo/trunk/src/config
-I/home/andrew/code/kuroo/trunk/src/core
-I/home/andrew/code/kuroo/trunk/src/history
-I/home/andrew/code/kuroo/trunk/src/intro
-I/home/andrew/code/kuroo/trunk/src/logs
-I/home/andrew/code/kuroo/trunk/src/portage
-I/home/andrew/code/kuroo/trunk/src/queue -isystem
/usr/lib/clang/12.0.1/include -imacros /tmp/kdevelop.uOquwG
-working-directory/home/andrew/code/kuroo/trunk/build
/home/andrew/code/kuroo/trunk/src/core/global.cpp
warning: unknown warning option '-Wlogical-op'; did you mean '-Wlong-long'?
[-Wunknown-warning-option]
warning: unknown warning option '-Wlogical-op'; did you mean '-Wlong-long'?
[-Wunknown-warning-option]
In file included from /home/andrew/code/kuroo/trunk/src/core/global.cpp:24:
/home/andrew/code/kuroo/trunk/src/core/global.h:32:46: error: lambda expression
in an unevaluated operand
Q_GLOBAL_STATIC_WITH_ARGS(QString, kurooDir,
QStringLiteral("/var/cache/kuroo/")); //->KConfig
^
/usr/include/qt5/QtCore/qstringliteral.h:66:6: note: expanded from macro
'QStringLiteral'
([]() noexcept -> QString { \
^
In file included from /home/andrew/code/kuroo/trunk/src/core/global.cpp:24:
/home/andrew/code/kuroo/trunk/src/core/global.h:35:59: error: expected '(' or
'{'
Q_GLOBAL_STATIC_WITH_ARGS(QRegularExpression, m_rxEmerge,
QS("^\\[ebuild([\\s\\w~#*]*)\\]\\s+" //Also allow * for merging hardmasked
packages
^
/home/andrew/code/kuroo/trunk/src/core/global.h:35:1: error: unexpected type
name 'Type': expected expression
Q_GLOBAL_STATIC_WITH_ARGS(QRegularExpression, m_rxEmerge,
QS("^\\[ebuild([\\s\\w~#*]*)\\]\\s+" //Also allow * for merging hardmasked
packages
^
/usr/include/qt5/QtCore/qglobalstatic.h:153:9: note: expanded from macro
'Q_GLOBAL_STATIC_WITH_ARGS'
Q_GLOBAL_STATIC_INTERNAL(ARGS) \
^
/usr/include/qt5/QtCore/qglobalstatic.h:89:35: note: expanded from macro
'Q_GLOBAL_STATIC_INTERNAL'
noexcept(noexcept(Type ARGS)) \
^
In file included from /home/andrew/code/kuroo/trunk/src/core/global.cpp:24:
/home/andrew/code/kuroo/trunk/src/core/global.h:35:59: error: expected ')'
Q_GLOBAL_STATIC_WITH_ARGS(QRegularExpression, m_rxEmerge,
QS("^\\[ebuild([\\s\\w~#*]*)\\]\\s+" //Also allow * for merging hardmasked
packages
^
/home/andrew/code/kuroo/trunk/src/core/global.h:35:1: note: to match this '('
Q_GLOBAL_STATIC_WITH_ARGS(QRegularExpression, m_rxEmerge,
QS("^\\[ebuild([\\s\\w~#*]*)\\]\\s+" //Also allow * for merging hardmasked
packages
^
/usr/include/qt5/QtCore/qglobalstatic.h:153:9: note: expanded from macro
'Q_GLOBAL_STATIC_WITH_ARGS'
Q_GLOBAL_STATIC_INTERNAL(ARGS) \
^
/usr/include/qt5/QtCore/qglobalstatic.h:89:34: note: expanded from macro
'Q_GLOBAL_STATIC_INTERNAL'
noexcept(noexcept(Type ARGS)) \
^
/home/andrew/code/kuroo/trunk/src/core/global.cpp:27:63: error: calling a
private constructor of class 'QString'
Q_GLOBAL_STATIC_WITH_ARGS(QRegularExpression, rxNameVersion,
("(?:[a-zA-Z0-9]|-)*"
^
/usr/include/qt5/QtCore/qstring.h:973:5: note: declared private here
QString(const char *ch);
^
/home/andrew/code/kuroo/trunk/src/core/global.cpp:27:63: error: calling a
private constructor of class 'QString'
Q_GLOBAL_STATIC_WITH_ARGS(QRegularExpression, rxNameVersion,
("(?:[a-zA-Z0-9]|-)*"
^
/usr/include/qt5/QtCore/qstring.h:973:5: note: declared private here
QString(const char *ch);
^
/home/andrew/code/kuroo/trunk/src/core/global.cpp:42:18: error: calling a
private constructor of class 'QChar'
package.remove( ' ' );
^
/usr/include/qt5/QtCore/qchar.h:626:5: note: declared private here
QChar(char c) noexcept;
^
/home/andrew/code/kuroo/trunk/src/core/global.cpp:45:25: error: calling a
private constructor of class 'QChar'
if ( package.contains( '/' ) ) {
^
/usr/include/qt5/QtCore/qchar.h:626:5: note: declared private here
QChar(char c) noexcept;
^
/home/andrew/code/kuroo/trunk/src/core/global.cpp:46:28: error: calling a
private constructor of class 'QString'
list << package.section( "/", 0, 0 );
^
/usr/include/qt5/QtCore/qstring.h:973:5: note: declared private here
QString(const char *ch);
^
/home/andrew/code/kuroo/trunk/src/core/global.cpp:47:34: error: calling a
private constructor of class 'QString'
nameVersion = package.section( "/", 1, 1 );
^
/usr/include/qt5/QtCore/qstring.h:973:5: note: declared private here
QString(const char *ch);
^
/home/andrew/code/kuroo/trunk/src/core/global.cpp:60:39: error: calling a
private constructor of class 'QString'
list << nameVersion.section( name + "-", 1 );
^
/usr/include/qt5/QtCore/qstring.h:973:5: note: declared private here
QString(const char *ch);
^
2 warnings and 11 errors generated.
```
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