Crash in kdevelop master - KDevelop::IndexedString::index (this=0x0)

[Sandro Andrade]

On Thu, Jun 4, 2015 at 11:28 AM, Milian Wolff <mail at milianw.de> wrote:
> On Thursday 04 June 2015 11:19:51 Sandro Andrade wrote:
>> On Thu, Jun 4, 2015 at 3:53 AM, Milian Wolff <mail at milianw.de> wrote:
>> > On Wednesday 03 June 2015 23:51:04 Sandro Andrade wrote:
>> >> Hi there,
>> >>
>> >> I'm trying to port a plugin I developed some time ago to
>> >> kdevplatform/kdevelop master.
>> >> I can build both kdevplatform and kdevelop from master branch but I
>> >> got the crash below when creating/opening any newly created project
>> >>
>> >> https://paste.kde.org/pauewgg4j
>> >>
>> >> Any hint about what is causing this ?
>> >
>> > Could you be mixing different ABIs?
>> >
>> > /usr/include/kdevplatform/
>> >
>> > vs.
>> >
>> > /data2/devel/kdevelop/
>> >
>> > Are you sure that both versions belong to each other? Otherwise I cannot
>> > explain why a hash would contain an indexedstring with this = 0x0...
>>
>> Yes, I double checked this :(. I'm using Qt 5.4.2 and KF 5.10 from
>> distro packages and
>> kdevplatform/kdevelop from git master. I'll keep investigating.
>
> But where did you install kdevplatform and kdevelop to? Are you sure nothing
> is contaminated? I really urge you to not install stuff globally, but only
> into a local prefix.

I've installed both in a local prefix (/home/devel/usr):

cmake ../ -DCMAKE_INSTALL_PREFIX=/home/devel/usr/ -DCMAKE_BUILD_TYPE=Debug

My settings (as indicated in
https://community.kde.org/Frameworks/Building#Runtime_setup):

export KF5=/usr
export QTDIR=/usr/lib/qt
export XDG_DATA_DIRS=$KF5/share:$XDG_DATA_DIRS:/usr/share:/home/devel/usr/share
export XDG_CONFIG_DIRS=$KF5/etc/xdg:$XDG_CONFIG_DIRS:/etc/xdg
export PATH=$KF5/bin:$QTDIR/bin:/home/devel/usr/bin:$PATH
export QT_PLUGIN_PATH=$KF5/lib/plugins:$KF5/lib64/plugins:$KF5/lib/x86_64-linux-gnu/
plugins:$QTDIR/plugins:/home/devel/usr/lib64/plugins/:/home/devel/usr/lib/plugins/:$
QT_PLUGIN_PATH
#   (lib64 instead of lib, on OpenSUSE and similar)
export QML2_IMPORT_PATH=$KF5/lib/qml:$KF5/lib64/qml:$KF5/lib/x86_64-linux-gnu/qml:/h
ome/devel/usr/lib64/qml/:/home/devel/usr/lib/qml/:$QTDIR/qml
export QML_IMPORT_PATH=$QML2_IMPORT_PATH
export KDE_SESSION_VERSION=5
export KDE_FULL_SESSION=true

>
> What does valgrind say btw?

I cleared all .config, .cache, and .local files and "valgrind
--tool=memcheck" doesn't provide any new information:

==2039== Thread 14 Queue(0x30829ee0)[09]:
==2039== Invalid read of size 4
==2039==    at 0x52D24F0A: KDevelop::IndexedString::index() const
(indexedstring.h:136)
==2039==    by 0x52D331E6: KDevelop::qHash(KDevelop::IndexedString
const&) (indexedstring.h:235)
==2039==    by 0x52D42A10: unsigned int
qHash<KDevelop::IndexedString>(KDevelop::IndexedString c
onst&, unsigned int) (qhash.h:102)
==2039==    by 0x52D40589: QHash<KDevelop::IndexedString,
QHashDummyValue>::findNode(KDevelop::I
ndexedString const&, unsigned int*) const (qhash.h:912)
==2039==    by 0x52D6FF50: QHash<KDevelop::IndexedString,
QHashDummyValue>::insert(KDevelop::Ind
exedString const&, QHashDummyValue const&) (qhash.h:768)
==2039==    by 0x52D6FC46:
QSet<KDevelop::IndexedString>::insert(KDevelop::IndexedString const&)
(qset.h:188)
==2039==    by 0x52D6F605:
CppPreprocessEnvironment::merge(Cpp::EnvironmentFile const*, bool) (c
pppreprocessenvironment.cpp:121)
==2039==    by 0x2E7A21E8: PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType,
int, bool) (preprocessjob.cpp:546)
==2039==    by 0x2EA4B3B1: rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) (pp-engine.
cpp:221)
==2039==    by 0x2EA4AA2A: rpp::pp::handle_directive(unsigned int,
rpp::Stream&, rpp::Stream&) (
pp-engine.cpp:139)
==2039==    by 0x2EA4B6AE: rpp::pp::operator()(rpp::Stream&,
rpp::Stream&) (pp-engine.cpp:274)
==2039==    by 0x2EA4A3E6: rpp::pp::processFileInternal(QString
const&, QByteArray const&, QVect
or<unsigned int>&) (pp-engine.cpp:100)

==2039==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==2039==

Sandro

>
> Bye
> --
> Milian Wolff
> mail at milianw.de
> http://milianw.de