| Summary: | kdevelop segfaults (dereferences null pointer) | ||
|---|---|---|---|
| Product: | [Applications] kdevelop | Reporter: | pmidden |
| Component: | Language Support: CPP (old) | Assignee: | kdevelop-bugs-null |
| Status: | RESOLVED FIXED | ||
| Severity: | crash | CC: | david.nolden.kde, dima, olaf |
| Priority: | HI | ||
| Version: | unspecified | ||
| Target Milestone: | 4.0.0 | ||
| Platform: | Compiled Sources | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
| Attachments: | Hopefully minimal testcase for the crash | ||
Created attachment 36817 [details]
Hopefully minimal testcase for the crash
You have to have boost installed because boost/shared_ptr.hpp is included.
*** Bug 207452 has been marked as a duplicate of this bug. *** SVN commit 1024021 by zwabel: Add some null-pointer checks, to prevent a possible crash BUG: 206870 M +7 -1 typeconversion.cpp WebSVN link: http://websvn.kde.org/?view=rev&revision=1024021 Please test whether the patch fixes the problem The testcase now finishes the parsing, seems fixed. *** Bug 234491 has been marked as a duplicate of this bug. *** |
Version: (using Devel) Compiler: gcc (Gentoo 4.4.1) 4.4.1 OS: Linux Installed from: Compiled sources Just load the attached cpp file, after a few seconds of scanning, kdevelop crashes. gdb outputs the following backtrace: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7f10a896f910 (LWP 15273)] 0x00007f10c5b1b814 in KDevelop::AbstractType::d_func (this=0x0) at /var/tmp/paludis/dev-util-kdevplatform-9999/work/kdevplatform-9999/language/duchain/types/abstracttype.h:277 277 /var/tmp/paludis/dev-util-kdevplatform-9999/work/kdevplatform-9999/language/duchain/types/abstracttype.h: No such file or directory. in /var/tmp/paludis/dev-util-kdevplatform-9999/work/kdevplatform-9999/language/duchain/types/abstracttype.h (gdb) bt #0 0x00007f10c5b1b814 in KDevelop::AbstractType::d_func (this=0x0) at /var/tmp/paludis/dev-util-kdevplatform-9999/work/kdevplatform-9999/language/duchain/types/abstracttype.h:277 #1 0x00007f10c5b1b16a in KDevelop::AbstractType::modifiers (this=0x0) at /var/tmp/paludis/dev-util-kdevplatform-9999/work/kdevplatform-9999/language/duchain/types/abstracttype.cpp:52 #2 0x00007f10a9335a41 in Cpp::TypeConversion::standardConversion (this=0x7f10a896afc0, from={d = 0x0}, to={d = 0x7f10ac19bed0}, categories=31, maxCategories=3) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/typeconversion.cpp:368 #3 0x00007f10a93368d5 in Cpp::TypeConversion::userDefinedConversion (this=0x7f10a896afc0, from={d = 0x7f10ac19bf00}, to={d = 0x7f10ac19bed0}, fromLValue=true, secondConversionIsIdentity=false) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/typeconversion.cpp:534 #4 0x00007f10a9334c51 in Cpp::TypeConversion::implicitConversion (this=0x7f10a896afc0, _from={<KDevelop::ReferenceCountManager> = {<No data fields>}, m_index = 5682312}, _to= {<KDevelop::ReferenceCountManager> = {<No data fields>}, m_index = 5682312}, fromLValue=true, noUserDefinedConversion=false) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/typeconversion.cpp:206 #5 0x00007f10a933d8e6 in Cpp::ViableFunction::matchParameters (this=0x7f10a896b090, params=@0x7f10a896cc80, partial=false) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/viablefunctions.cpp:81 #6 0x00007f10a9338f84 in Cpp::OverloadResolver::resolveList (this=0x7f10a896ca70, params=@0x7f10a896cc80, declarations=@0x7f10a896cc70, noUserDefinedConversion=false) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/overloadresolution.cpp:160 #7 0x00007f10a932d269 in Cpp::ExpressionVisitor::visitFunctionCall (this=0x7f10a896cfa0, node=0x4dd9180) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/expressionvisitor.cpp:1707 #8 0x00007f10a8fea1ca in Visitor::visit (this=0x7f10a896cfa0, node=0x4dd9180) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.cpp:113 #9 0x00007f10a9327e19 in Cpp::ExpressionVisitor::visitSubExpressions (this=0x7f10a896cfa0, node=0x4dd91c0, nodes=0x4dd91a8) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/expressionvisitor.cpp:745 #10 0x00007f10a93280ee in Cpp::ExpressionVisitor::visitPostfixExpression (this=0x7f10a896cfa0, node=0x4dd91c0) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/expressionvisitor.cpp:783 #11 0x00007f10a8fea1ca in Visitor::visit (this=0x7f10a896cfa0, node=0x4dd91c0) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.cpp:113 #12 0x00007f10a932b164 in Cpp::ExpressionVisitor::visitExpressionStatement (this=0x7f10a896cfa0, node=0x4dd91f8) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/expressionvisitor.cpp:1404 #13 0x00007f10a8fea1ca in Visitor::visit (this=0x7f10a896cfa0, node=0x4dd91f8) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.cpp:113 #14 0x00007f10a9323ff6 in Cpp::ExpressionVisitor::parse (this=0x7f10a896cfa0, ast=0x4dd91f8) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/expressionvisitor.cpp:232 #15 0x00007f10a92e1831 in UseBuilder::visitExpression (this=0x7f10a896de60, node=0x4dd91f8) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/usebuilder.cpp:159 #16 0x00007f10a92e14fe in UseBuilder::visitExpressionOrDeclarationStatement (this=0x7f10a896de60, exp=0x4dd9220) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/usebuilder.cpp:71 #17 0x00007f10a8fea1ca in Visitor::visit (this=0x7f10a896dec0, node=0x4dd9220) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.cpp:113 #18 0x00007f10a8fe7c88 in visitNodes<StatementAST*> (v=0x7f10a896dec0, nodes=0x4dd9258) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.h:128 #19 0x00007f10a8fe6549 in DefaultVisitor::visitCompoundStatement (this=0x7f10a896dec0, node=0x4dd8040) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/default_visitor.cpp:68 #20 0x00007f10a92954bc in ContextBuilder::visitCompoundStatement (this=0x7f10a896de60, node=0x4dd8040) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/contextbuilder.cpp:754 #21 0x00007f10a8fea1ca in Visitor::visit (this=0x7f10a896dec0, node=0x4dd8040) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.cpp:113 #22 0x00007f10a92950dc in ContextBuilder::visitFunctionDefinition (this=0x7f10a896de60, node=0x4dd9270) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/contextbuilder.cpp:668 #23 0x00007f10a8fea1ca in Visitor::visit (this=0x7f10a896dec0, node=0x4dd9270) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.cpp:113 #24 0x00007f10a8fe7c15 in visitNodes<DeclarationAST*> (v=0x7f10a896dec0, nodes=0x4dd92d0) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.h:128 #25 0x00007f10a8fe776d in DefaultVisitor::visitTranslationUnit (this=0x7f10a896dec0, node=0x4dad200) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/default_visitor.cpp:394 #26 0x00007f10a8fea1ca in Visitor::visit (this=0x7f10a896dec0, node=0x4dad200) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/parser/visitor.cpp:113 #27 0x00007f10a9291cd9 in ContextBuilder::startVisiting (this=0x7f10a896de60, node=0x4dad200) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/contextbuilder.cpp:201 #28 0x00007f10a92998ef in KDevelop::AbstractContextBuilder<AST, NameAST>::supportBuild (this=0x7f10a896de60, node=0x4dad200, context=0x4d5c260) at /usr/include/kdevplatform/language/duchain/builders/abstractcontextbuilder.h:201 #29 0x00007f10a92e2be9 in KDevelop::AbstractUseBuilder<AST, NameAST, ContextBuilder>::buildUses (this=0x7f10a896de60, node=0x4dad200) at /usr/include/kdevplatform/language/duchain/builders/abstractusebuilder.h:70 #30 0x00007f10a92e149b in UseBuilder::buildUses (this=0x7f10a896de60, node=0x4dad200) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppduchain/usebuilder.cpp:66 #31 0x00007f10a980406f in CPPInternalParseJob::run (this=0x4789e10) at /var/tmp/paludis/dev-util-kdevelop-9999/work/kdevelop-9999/languages/cpp/cppparsejob.cpp:707 #32 0x00007f10ca3f2d11 in ?? () from /usr/lib64/libthreadweaver.so.4 #33 0x00007f10ca3f300e in ThreadWeaver::Job::execute () from /usr/lib64/libthreadweaver.so.4 #34 0x00007f10ca3f4333 in ?? () from /usr/lib64/libthreadweaver.so.4 #35 0x00007f10ca3f1fdf in ?? () from /usr/lib64/libthreadweaver.so.4 #36 0x00007f10ca3f2468 in ThreadWeaver::Thread::run () from /usr/lib64/libthreadweaver.so.4 #37 0x00007f10c8c632d3 in ?? () from /usr/lib64/qt4/libQtCore.so.4 #38 0x00007f10c89f0624 in start_thread () from /lib/libpthread.so.0 #39 0x00007f10c72c138d in clone () from /lib/libc.so.6 #40 0x0000000000000000 in ?? () The program outputs the following: Starting program: /usr/bin/kdevelop [Thread debugging using libthread_db enabled] WARNING: deleting stale lockfile /home/philipp/.kdevduchain/0/lock <unknown program name>(15244)/ KDevelop::allocateRepository: picked duchain directory "/home/philipp/.kdevduchain/0" [New Thread 0x7f10cbf71750 (LWP 15244)] [New Thread 0x7f10bd614910 (LWP 15248)] Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. [New Thread 0x7f10ba842910 (LWP 15249)] QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-23655936-2' is still in use, all queries will cease to work. [New Thread 0x7f10b9b96910 (LWP 15251)] [Thread 0x7f10b9b96910 (LWP 15251) exited] [New Thread 0x7f10b9b96910 (LWP 15252)] [New Thread 0x7f10b9395910 (LWP 15253)] QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-23655936-15' is still in use, all queries will cease to work. [Thread 0x7f10b9b96910 (LWP 15252) exited] [New Thread 0x7f10b9b96910 (LWP 15254)] [New Thread 0x7f10b8b94910 (LWP 15255)] [Thread 0x7f10b9395910 (LWP 15253) exited] [Thread 0x7f10b9b96910 (LWP 15254) exited] [Thread 0x7f10b8b94910 (LWP 15255) exited] [New Thread 0x7f10b8b94910 (LWP 15256)] [New Thread 0x7f10b9b96910 (LWP 15257)] [Thread 0x7f10b8b94910 (LWP 15256) exited] [Thread 0x7f10b9b96910 (LWP 15257) exited] [New Thread 0x7f10b8b94910 (LWP 15258)] [New Thread 0x7f10b9b96910 (LWP 15259)] [Thread 0x7f10b8b94910 (LWP 15258) exited] [Thread 0x7f10b9b96910 (LWP 15259) exited] [New Thread 0x7f10b9b96910 (LWP 15260)] [New Thread 0x7f10b8b94910 (LWP 15261)] [Thread 0x7f10b9b96910 (LWP 15260) exited] [New Thread 0x7f10b9b96910 (LWP 15262)] [Thread 0x7f10b8b94910 (LWP 15261) exited] [New Thread 0x7f10b9395910 (LWP 15263)] [Thread 0x7f10b9b96910 (LWP 15262) exited] [Thread 0x7f10b9395910 (LWP 15263) exited] [New Thread 0x7f10b9395910 (LWP 15264)] [New Thread 0x7f10b9b96910 (LWP 15265)] [Thread 0x7f10b9395910 (LWP 15264) exited] Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. [Thread 0x7f10b9b96910 (LWP 15265) exited] QStringList Solid::Backends::Hal::HalManager::findDeviceByDeviceInterface(const Solid::DeviceInterface::Type&) error: "org.freedesktop.DBus.Error.Disconnected" QStringList Solid::Backends::Hal::HalManager::findDeviceByDeviceInterface(const Solid::DeviceInterface::Type&) error: "org.freedesktop.DBus.Error.Disconnected" QStringList Solid::Backends::Hal::HalManager::findDeviceByDeviceInterface(const Solid::DeviceInterface::Type&) error: "org.freedesktop.DBus.Error.Disconnected" QStringList Solid::Backends::Hal::HalManager::findDeviceByDeviceInterface(const Solid::DeviceInterface::Type&) error: "org.freedesktop.DBus.Error.Disconnected" QStringList Solid::Backends::Hal::HalManager::findDeviceByDeviceInterface(const Solid::DeviceInterface::Type&) error: "org.freedesktop.DBus.Error.Disconnected" QStringList Solid::Backends::Hal::HalManager::findDeviceByDeviceInterface(const Solid::DeviceInterface::Type&) error: "org.freedesktop.DBus.Error.Disconnected" QStringList Solid::Backends::Hal::HalManager::findDeviceByDeviceInterface(const Solid::DeviceInterface::Type&) error: "org.freedesktop.DBus.Error.Disconnected" QStringList Solid::Backends::Hal::HalManager::findDeviceByDeviceInterface(const Solid::DeviceInterface::Type&) error: "org.freedesktop.DBus.Error.Disconnected" [New Thread 0x7f10b9b96910 (LWP 15266)] [New Thread 0x7f10b9395910 (LWP 15267)] QObject: Cannot create children for a parent that is in a different thread. (Parent is Cpp::CodeCompletionModel(0x3c47a30), parent's thread is QThread(0x168f600), current thread is QThread(0x3c58a10) QObject: Cannot create children for a parent that is in a different thread. (Parent is Cpp::MissingIncludeCompletionModel(0x3c89e70), parent's thread is QThread(0x168f600), current thread is QThread(0x3c6a420) [New Thread 0x7f10b8b94910 (LWP 15270)] Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. Calling appendChild() on a null node does nothing. [New Thread 0x7f10a896f910 (LWP 15273)] [New Thread 0x7f10a816e910 (LWP 15274)] Program received signal SIGSEGV, Segmentation fault.