Re: textproc/wkhtmltopdf crash

On 26/04/20 14:02 +0200, Denis Fondras wrote:
> Hi Frank,
>
> I am using wkhtmltopdf from Odoo and I noticed it crashes when generating
> reports. This command crashes :
> /usr/local/bin/wkhtmltopdf --header-html /tmp/report.header.tmp.l1ae35ik.html /tmp/report.body.tmp.0.s0vmsl3y.html report.pdf
>
> Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
> 0x00000186bec30acb in cti_op_call_NotJSFunction ()
> (gdb) bt
> #0 0x00000186bec30acb in cti_op_call_NotJSFunction ()
> #1 0x00000186bec2bd98 in ctiTrampoline ()
> #2 0x00000186beb51e1b in JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) ()
> #3 0x00000186beb5b7fb in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) ()
> #4 0x00000186bf33ba68 in WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) ()
> #5 0x00000186bed779ce in WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul>&) ()
> #6 0x00000186bed773b6 in WebCore::EventTarget::fireEventListeners(WebCore::Event*) ()
> #7 0x00000186bed7372b in WebCore::EventDispatcher::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) ()
> #8 0x00000186bed725a5 in WebCore::EventDispatchMediator::dispatchEvent(WebCore::EventDispatcher*) const ()
> #9 0x00000186bed7268c in WebCore::EventDispatcher::dispatchEvent(WebCore::Node*, WebCore::EventDispatchMediator const&) ()
> #10 0x00000186bef66eb2 in WebCore::Node::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) ()
> #11 0x00000186bed8fe39 in WebCore::Document::finishedParsing() ()
> #12 0x00000186bf514b7f in WebCore::HTMLDocumentParser::prepareToStopParsing() ()
> #13 0x00000186bf5160dd in WebCore::HTMLDocumentParser::executeScriptsWaitingForStylesheets() ()
> #14 0x00000186bed8a539 in WebCore::Document::removePendingSheet() ()
> #15 0x00000186bf538692 in WebCore::HTMLLinkElement::sheetLoaded() ()
> #16 0x00000186beef5261 in WebCore::CSSStyleSheet::checkLoaded() ()
> #17 0x00000186bf53825f in WebCore::HTMLLinkElement::setCSSStyleSheet(WTF::String const&, WebCore::KURL const&, WTF::String const&, WebCore::CachedCSSStyleSheet const*) ()
> #18 0x00000186bf539a01 in WebCore::CachedCSSStyleSheet::checkNotify() ()
> #19 0x00000186bf5397da in WebCore::CachedCSSStyleSheet::data(WTF::PassRefPtr<WebCore::SharedBuffer>, bool) ()
> #20 0x00000186bf9eb551 in WebCore::CachedResourceRequest::didFinishLoading(WebCore::SubresourceLoader*, double) ()
> #21 0x00000186bfa9048f in WebCore::SubresourceLoader::didFinishLoading(double) ()
> #22 0x00000186bef8cf00 in WebCore::QNetworkReplyHandler::finish() ()
> #23 0x00000186bef8b11f in WebCore::QNetworkReplyHandlerCallQueue::flush() ()
> #24 0x00000186bef8da80 in WebCore::QNetworkReplyWrapper::didReceiveFinished() ()
> #25 0x00000186c05ad148 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) ()
> #26 0x00000186c03db9db in QNetworkReplyImplPrivate::finished() ()
> #27 0x00000186c05a8643 in QObject::event(QEvent*) ()
> #28 0x00000186bfd4b1b6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
> #29 0x00000186bfd4c8f3 in QApplication::notify(QObject*, QEvent*) ()
> #30 0x00000186c0591eb8 in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
> #31 0x00000186c0592cd6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
> #32 0x00000186c05bf8f7 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
> #33 0x00000186c05923e5 in QCoreApplication::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
> #34 0x00000186bea9a19f in wkhtmltopdf::Converter::convert() ()
> #35 0x00000186beabeb2c in main ()
>
>
> If I remove the --header-html (or --footer-html), it works :
> /usr/local/bin/wkhtmltopdf /tmp/report.header.tmp.l1ae35ik.html /tmp/report.body.tmp.0.s0vmsl3y.html z.pdf
>
> I also noticed that "/usr/local/bin/wkhtmltopdf https://www.google.com" crashes
> when "/usr/local/bin/wkhtmltopdf --disable-javascript https://www.google.com"
> does not. Not the same trace though :
>
> Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
> 0x000005550bc3369b in cti_op_construct_NotJSConstruct ()
> (gdb) bt
> #0 0x000005550bc3369b in cti_op_construct_NotJSConstruct ()
> #1 0x000005550bc2dd98 in ctiTrampoline ()
> #2 0x000005550bb53843 in JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::ScopeChainNode*, JSC::JSObject*) ()
> #3 0x000005550bd331aa in JSC::evaluate(JSC::ExecState*, JSC::ScopeChainNode*, JSC::SourceCode const&, JSC::JSValue) ()
> #4 0x000005550bd2371a in WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*) ()
> #5 0x000005550bd23a26 in WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) ()
> #6 0x000005550c4192d2 in WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) ()
> #7 0x000005550c419938 in WebCore::ScriptElement::execute(WebCore::CachedScript*) ()
> #8 0x000005550c41b2de in WebCore::ScriptRunner::timerFired(WebCore::Timer<WebCore::ScriptRunner>*) ()
> #9 0x000005550bd70aed in WebCore::ThreadTimers::sharedTimerFiredInternal() ()
> #10 0x000005550d5aa881 in QObject::event(QEvent*) ()
> #11 0x000005550cd4d1b6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
> #12 0x000005550cd4e8f3 in QApplication::notify(QObject*, QEvent*) ()
> #13 0x000005550d593eb8 in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
> #14 0x000005550d5c10fd in QTimerInfoList::activateTimers() ()
> #15 0x000005550d5c19a3 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
> #16 0x000005550d5943e5 in QCoreApplication::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
> #17 0x000005550ba9c19f in wkhtmltopdf::Converter::convert() ()
> #18 0x000005550bac0b2c in main ()
>
> Do you have any clue to help debugging this issue ?
>

Hi

Does your report actually have a header or a footer configured? What is the content of the report header and footer?