'[kdev-python] [Bug 363760] Crash when parsing some old python library'

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List:       kde-bugs-dist
Subject:    [kdev-python] [Bug 363760] Crash when parsing some old python library
From:       Sven Brauch via KDE Bugzilla <bugzilla_noreply () kde ! org>
Date:       2016-05-31 20:18:02
Message-ID: bug-363760-17878-4e4Fu9OuOi () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=363760

Sven Brauch <mail@svenbrauch.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDSINFO                   |CONFIRMED
     Ever confirmed|0                           |1
         Resolution|WAITINGFORINFO              |---

--- Comment #3 from Sven Brauch <mail@svenbrauch.de> ---
I just checked, still crashes with 1.7.3. Here's the trace:

(gdb) bt
#0  0x00007ffff3521440 in KDevelop::DUChainPointerData::base() const () from
/usr/lib/libkdevplatformlanguage.so.8                                           
#1  0x00007fff3d5800af in
Python::Helper::declarationForName(KDevelop::QualifiedIdentifier const&,
KDevelop::RangeInRevision const&,
KDevelop::DUChainPointer<KDevelop::DUContext>) ()
   from /usr/lib/libkdev4pythonduchain.so
#2  0x00007fff3d575e1b in
Python::ExpressionVisitor::visitName(Python::NameAst*) () from
/usr/lib/libkdev4pythonduchain.so
#3  0x00007fff3d5794d2 in
Python::ExpressionVisitor::visitBinaryOperation(Python::BinaryOperationAst*) ()
from /usr/lib/libkdev4pythonduchain.so
#4  0x00007fff3d5794df in
Python::ExpressionVisitor::visitBinaryOperation(Python::BinaryOperationAst*) ()
from /usr/lib/libkdev4pythonduchain.so
#5  0x00007fff3d57d161 in
Python::ExpressionVisitor::visitListComprehension(Python::ListComprehensionAst*)
() from /usr/lib/libkdev4pythonduchain.so
#6  0x00007fff3d5794df in
Python::ExpressionVisitor::visitBinaryOperation(Python::BinaryOperationAst*) ()
from /usr/lib/libkdev4pythonduchain.so
#7  0x00007fff3d57d161 in
Python::ExpressionVisitor::visitListComprehension(Python::ListComprehensionAst*)
() from /usr/lib/libkdev4pythonduchain.so
#8  0x00007fff3d57a3cb in
Python::ExpressionVisitor::visitCall(Python::CallAst*) () from
/usr/lib/libkdev4pythonduchain.so
#9  0x00007fff3d576fb6 in
Python::ExpressionVisitor::visitAttribute(Python::AttributeAst*) () from
/usr/lib/libkdev4pythonduchain.so
#10 0x00007fff3d57a445 in
Python::ExpressionVisitor::visitCall(Python::CallAst*) () from
/usr/lib/libkdev4pythonduchain.so
#11 0x00007fff3d594e38 in
Python::DeclarationBuilder::visitReturn(Python::ReturnAst*) () from
/usr/lib/libkdev4pythonduchain.so
#12 0x00007fff3d58d4c5 in
Python::ContextBuilder::visitFunctionBody(Python::FunctionDefinitionAst*) ()
from /usr/lib/libkdev4pythonduchain.so
#13 0x00007fff3d59f33a in
Python::DeclarationBuilder::visitFunctionDefinition(Python::FunctionDefinitionAst*)
() from /usr/lib/libkdev4pythonduchain.so
#14 0x00007fff5918b9dc in
Python::AstDefaultVisitor::visitCode(Python::CodeAst*) () from
/usr/lib/libkdev4pythonparser.so
#15 0x00007fff3d58f896 in Python::ContextBuilder::visitCode(Python::CodeAst*)
() from /usr/lib/libkdev4pythonduchain.so
#16 0x00007fff3d5a235e in ?? () from /usr/lib/libkdev4pythonduchain.so
#17 0x00007fff3d58e3fd in Python::ContextBuilder::build(KDevelop::IndexedString
const&, Python::Ast*, KDevelop::ReferencedTopDUContext) () from
/usr/lib/libkdev4pythonduchain.so
#18 0x00007fff3d5954b3 in
Python::DeclarationBuilder::build(KDevelop::IndexedString const&, Python::Ast*,
KDevelop::ReferencedTopDUContext) () from /usr/lib/libkdev4pythonduchain.so
#19 0x00007fff3d595450 in
Python::DeclarationBuilder::build(KDevelop::IndexedString const&, Python::Ast*,
KDevelop::ReferencedTopDUContext) () from /usr/lib/libkdev4pythonduchain.so
#20 0x00007fff3da74d0a in ?? () from /usr/lib/kde4/kdevpythonlanguagesupport.so
#21 0x00007fffeab4c932 in ?? () from /usr/lib/libthreadweaver.so.4
#22 0x00007fffeab4cb3e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) ()
from /usr/lib/libthreadweaver.so.4
#23 0x00007fffeab4c20b in ThreadWeaver::Thread::run() () from
/usr/lib/libthreadweaver.so.4
#24 0x00007ffff4c2c12c in ?? () from /usr/lib/libQtCore.so.4
#25 0x00007ffff2239474 in start_thread () from /usr/lib/libpthread.so.0
#26 0x00007ffff455f69d in clone () from /usr/lib/libc.so.6

It still crashes in current master actually, trace there is:
Thread 9 (Thread 0x7ffa290d5700 (LWP 10865)):
[KCrash Handler]
#5  0x00007ffa4470e295 in raise () from /usr/lib/libc.so.6
#6  0x00007ffa4470f6da in abort () from /usr/lib/libc.so.6
#7  0x00007ffa453afc61 in QMessageLogger::fatal(char const*, ...) const () from
/usr/lib/libQt5Core.so.5
#8  0x00007ffa453aaebe in qt_assert(char const*, char const*, int) () from
/usr/lib/libQt5Core.so.5
#9  0x00007ff9ea311dfe in Python::ExpressionVisitor::visitListComprehension
(this=0x7ffa290d2ec0, node=0x7ffa18163c60) at
../duchain/expressionvisitor.cpp:511
#10 0x00007ff9f48afd27 in Python::AstVisitor::visitNode (this=0x7ffa290d2ec0,
node=0x7ffa18163c60) at ../parser/astvisitor.cpp:70
#11 0x00007ff9ea313719 in Python::ExpressionVisitor::visitBinaryOperation
(this=0x7ffa290d3100, node=0x7ffa18163520) at
../duchain/expressionvisitor.cpp:712
#12 0x00007ff9f48afc49 in Python::AstVisitor::visitNode (this=0x7ffa290d3100,
node=0x7ffa18163520) at ../parser/astvisitor.cpp:64
#13 0x00007ff9ea311e20 in Python::ExpressionVisitor::visitListComprehension
(this=0x7ffa290d3520, node=0x7ffa181634d0) at
../duchain/expressionvisitor.cpp:512
#14 0x00007ff9f48afd27 in Python::AstVisitor::visitNode (this=0x7ffa290d3520,
node=0x7ffa181634d0) at ../parser/astvisitor.cpp:70
#15 0x00007ff9ea30e452 in Python::ExpressionVisitor::visitCall
(this=0x7ffa290d3520, node=0x7ffa181633b0) at
../duchain/expressionvisitor.cpp:147
#16 0x00007ff9f48afebe in Python::AstVisitor::visitNode (this=0x7ffa290d3520,
node=0x7ffa181633b0) at ../parser/astvisitor.cpp:81
#17 0x00007ff9ea33dce6 in Python::DeclarationBuilder::visitCall
(this=0x7ffa180c70f0, node=0x7ffa181633b0) at
../duchain/declarationbuilder.cpp:1156
#18 0x00007ff9f48afebe in Python::AstVisitor::visitNode (this=0x7ffa180c7148,
node=0x7ffa181633b0) at ../parser/astvisitor.cpp:81
#19 0x00007ff9ea343a91 in Python::DeclarationBuilder::visitNode
(this=0x7ffa180c70f0, node=0x7ffa181633b0) at
../duchain/declarationbuilder.cpp:1988
#20 0x00007ff9f48ac31a in Python::AstDefaultVisitor::visitAttribute
(this=0x7ffa180c7148, node=0x7ffa181632e0) at
../parser/astdefaultvisitor.cpp:407
#21 0x00007ff9f48afee3 in Python::AstVisitor::visitNode (this=0x7ffa180c7148,
node=0x7ffa181632e0) at ../parser/astvisitor.cpp:82
#22 0x00007ff9ea343a91 in Python::DeclarationBuilder::visitNode
(this=0x7ffa180c70f0, node=0x7ffa181632e0) at
../duchain/declarationbuilder.cpp:1988
#23 0x00007ff9f48abf78 in Python::AstDefaultVisitor::visitCall
(this=0x7ffa180c7148, node=0x7ffa18163280) at
../parser/astdefaultvisitor.cpp:383
#24 0x00007ff9ea33dca9 in Python::DeclarationBuilder::visitCall
(this=0x7ffa180c70f0, node=0x7ffa18163280) at
../duchain/declarationbuilder.cpp:1147
#25 0x00007ff9f48afebe in Python::AstVisitor::visitNode (this=0x7ffa180c7148,
node=0x7ffa18163280) at ../parser/astvisitor.cpp:81
#26 0x00007ff9ea343a91 in Python::DeclarationBuilder::visitNode
(this=0x7ffa180c70f0, node=0x7ffa18163280) at
../duchain/declarationbuilder.cpp:1988
#27 0x00007ff9f48aa84c in Python::AstDefaultVisitor::visitReturn
(this=0x7ffa180c7148, node=0x7ffa18163240) at
../parser/astdefaultvisitor.cpp:185
#28 0x00007ff9ea342603 in Python::DeclarationBuilder::visitReturn
(this=0x7ffa180c70f0, node=0x7ffa18163240) at
../duchain/declarationbuilder.cpp:1851
#29 0x00007ff9f48af977 in Python::AstVisitor::visitNode (this=0x7ffa180c7148,
node=0x7ffa18163240) at ../parser/astvisitor.cpp:44
#30 0x00007ff9ea343a91 in Python::DeclarationBuilder::visitNode
(this=0x7ffa180c70f0, node=0x7ffa18163240) at
../duchain/declarationbuilder.cpp:1988
#31 0x00007ff9ea333078 in Python::ContextBuilder::visitNodeList<Python::Ast>
(this=0x7ffa180c70f0, l=...) at ../duchain/contextbuilder.h:179
#32 0x00007ff9ea33155c in Python::ContextBuilder::visitFunctionBody
(this=0x7ffa180c70f0, node=0x7ffa18162a00) at ../duchain/contextbuilder.cpp:482
#33 0x00007ff9ea3409c5 in Python::DeclarationBuilder::visitFunctionDefinition
(this=0x7ffa180c70f0, node=0x7ffa18162a00) at
../duchain/declarationbuilder.cpp:1620
#34 0x00007ff9f48af931 in Python::AstVisitor::visitNode (this=0x7ffa180c7148,
node=0x7ffa18162a00) at ../parser/astvisitor.cpp:42
#35 0x00007ff9ea343a91 in Python::DeclarationBuilder::visitNode
(this=0x7ffa180c70f0, node=0x7ffa18162a00) at
../duchain/declarationbuilder.cpp:1988
#36 0x00007ff9f48a9de9 in Python::AstDefaultVisitor::visitCode
(this=0x7ffa180c7148, node=0x7ffa18086380) at
../parser/astdefaultvisitor.cpp:79
#37 0x00007ff9ea330263 in Python::ContextBuilder::visitCode
(this=0x7ffa180c70f0, node=0x7ffa18086380) at ../duchain/contextbuilder.cpp:319
#38 0x00007ff9ea33729b in Python::DeclarationBuilder::visitCode
(this=0x7ffa180c70f0, node=0x7ffa18086380) at
../duchain/declarationbuilder.cpp:372
#39 0x00007ff9f48af90e in Python::AstVisitor::visitNode (this=0x7ffa180c7148,
node=0x7ffa18086380) at ../parser/astvisitor.cpp:41
#40 0x00007ff9ea343a91 in Python::DeclarationBuilder::visitNode
(this=0x7ffa180c70f0, node=0x7ffa18086380) at
../duchain/declarationbuilder.cpp:1988
#41 0x00007ff9ea32f685 in Python::ContextBuilder::startVisiting
(this=0x7ffa180c70f0, node=0x7ffa18086380) at ../duchain/contextbuilder.cpp:142
#42 0x00007ff9ea3332fd in KDevelop::AbstractContextBuilder<Python::Ast,
Python::Identifier>::supportBuild (this=0x7ffa180c70f0, node=0x7ffa18086380,
context=0x7ffa18093fd0) at
/home/sven/install5/include/kdevplatform/language/duchain/builders/abstractcontextbuilder.h:134
#43 0x00007ff9ea353693 in KDevelop::AbstractTypeBuilder<Python::Ast,
Python::Identifier, Python::ContextBuilder>::supportBuild (this=0x7ffa180c70f0,
node=0x7ffa18086380, context=0x7ffa18093fd0) at
/home/sven/install5/include/kdevplatform/language/duchain/builders/abstracttypebuilder.h:85
#44 0x00007ff9ea3322e3 in KDevelop::AbstractContextBuilder<Python::Ast,
Python::Identifier>::build (this=0x7ffa180c70f0, url=..., node=0x7ffa18086380,
updateContext=...) at
/home/sven/install5/include/kdevplatform/language/duchain/builders/abstractcontextbuilder.h:114
#45 0x00007ff9ea32f36c in Python::ContextBuilder::build (this=0x7ffa180c70f0,
url=..., node=0x7ffa18086380, updateContext=...) at
../duchain/contextbuilder.cpp:74
#46 0x00007ff9ea336ef0 in Python::DeclarationBuilder::build
(this=0x7ffa180c70f0, url=..., node=0x7ffa18086380, updateContext=...) at
../duchain/declarationbuilder.cpp:107
#47 0x00007ff9ea336d48 in Python::DeclarationBuilder::build
(this=0x7ffa290d46c0, url=..., node=0x7ffa18086380, updateContext=...) at
../duchain/declarationbuilder.cpp:100
#48 0x00007ff9ea7fa799 in Python::ParseJob::run (this=0x67bdef0) at
../pythonparsejob.cpp:168
#49 0x00007ffa418cd6f6 in
ThreadWeaver::IdDecorator::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) () from /usr/lib/libKF5ThreadWeaver.so.5
#50 0x00007ffa418cdcf8 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () from /usr/lib/libKF5ThreadWeaver.so.5
#51 0x00007ffa418ccc1a in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () from /usr/lib/libKF5ThreadWeaver.so.5
#52 0x00007ffa418cc2c0 in ThreadWeaver::Thread::run() () from
/usr/lib/libKF5ThreadWeaver.so.5
#53 0x00007ffa453c81d8 in ?? () from /usr/lib/libQt5Core.so.5
#54 0x00007ffa3d5c6474 in start_thread () from /usr/lib/libpthread.so.0
#55 0x00007ffa447c269d in clone () from /usr/lib/libc.so.6

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