[Webkit-unassigned] [Bug 242518] IPC::Connection::sendOutputMessage(IPC::UnixMessage&) Syscall param sendmsg(msg.msg_iov[2]) points to uninitialised byte(s)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jul 8 14:27:02 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=242518

--- Comment #3 from James Hilliard <james.hilliard1 at gmail.com> ---
Managed to get a potentially related crash after reloading the crashed renderer a few times(rendered then crashed again shortly after when trying to change framerate in https://mozilla.github.io/webrtc-landing/gum_test.html)

ASSERTION FAILED: anchorType() == PositionIsOffsetInAnchor
/app/webkit/Source/WebCore/dom/Position.h(94) : int WebCore::Position::offsetInContainerNode() const
1   0x10f7e8ab WTFCrash
2   0xd95b1a6 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0x91081a6) [0xd95b1a6]
3   0x130aa5ae /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xe8575ae) [0x130aa5ae]
4   0x13a88116 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf235116) [0x13a88116]
5   0x13c63f26 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf410f26) [0x13c63f26]
6   0x13c4d009 WebCore::operator<<(WTF::TextStream&, WebCore::VisibleSelection const&)
7   0x13bc5823 WebCore::FrameSelection::setSelection(WebCore::VisibleSelection const&, WTF::OptionSet<WebCore::FrameSelection::SetSelectionOption>, WebCore::AXTextStateChangeIntent, WebCore::FrameSelection::CursorAlignOnScroll, WebCore::TextGranularity)
8   0x13bb53e5 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf3623e5) [0x13bb53e5]
9   0x13ba9664 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf356664) [0x13ba9664]
10  0x13c284b4 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf3d54b4) [0x13c284b4]
11  0x13c29fe2 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf3d6fe2) [0x13c29fe2]
12  0x13c27bcd /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf3d4bcd) [0x13c27bcd]
13  0x13b66c53 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf313c53) [0x13b66c53]
14  0x13c26ceb /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf3d3ceb) [0x13c26ceb]
15  0x13ba5a04 WebCore::Editor::deleteWithDirection(WebCore::SelectionDirection, WebCore::TextGranularity, bool, bool)
16  0x13bbbaa0 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf368aa0) [0x13bbbaa0]
17  0x13bc0e78 WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const
18  0xef48e2f /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xa6f5e2f) [0xef48e2f]
19  0xef4906c /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xa6f606c) [0xef4906c]
20  0x13ba470f /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf35170f) [0x13ba470f]
21  0x144d0df2 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xfc7ddf2) [0x144d0df2]
22  0x13a64a65 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf211a65) [0x13a64a65]
[-> UI 17 receiver 0x1c1b6370] WebPageProxy_SetRenderTreeSize (treeSize 57)
23  0x13d3fa9e /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf4eca9e) [0x13d3fa9e]
24  0x139c6d16 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf173d16) [0x139c6d16]
25  0x139c78a8 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf1748a8) [0x139c78a8]
26  0x13a645c7 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xf2115c7) [0x13a645c7]
27  0x144d0021 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xfc7d021) [0x144d0021]
28  0x144cf48d WebCore::EventHandler::keyEvent(WebCore::PlatformKeyboardEvent const&)
29  0x150409fc WebCore::UserInputBridge::handleKeyEvent(WebCore::PlatformKeyboardEvent const&, WebCore::InputSource)
30  0xef88a9c /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xa735a9c) [0xef88a9c]
31  0xef88bb7 /app/webkit/WebKitBuild/Debug/lib/libWPEWebKit-1.1.so.0(+0xa735bb7) [0xef88bb7]
==138== Invalid write of size 4
==138==    at 0x10F7E8B0: WTFCrash (Assertions.cpp:328)
==138==    by 0xD95B1A5: WTFCrashWithInfo(int, char const*, char const*, int) (Assertions.h:754)
==138==    by 0x130AA5AD: WebCore::Position::offsetInContainerNode() const (Position.h:94)
==138==    by 0x13A88115: WebCore::operator<<(WTF::TextStream&, WebCore::Position const&) (Position.cpp:1564)
==138==    by 0x13C63F25: void WTF::TextStream::dumpProperty<WebCore::Position>(char const*, WebCore::Position const&) (TextStream.h:109)
==138==    by 0x13C4D008: WebCore::operator<<(WTF::TextStream&, WebCore::VisibleSelection const&) (VisibleSelection.cpp:739)
==138==    by 0x13BC5822: WebCore::FrameSelection::setSelection(WebCore::VisibleSelection const&, WTF::OptionSet<WebCore::FrameSelection::SetSelectionOption>, WebCore::AXTextStateChangeIntent, WebCore::FrameSelection::CursorAlignOnScroll, WebCore::TextGranularity) (FrameSelection.cpp:431)
==138==    by 0x13BB53E4: WebCore::Editor::changeSelectionAfterCommand(WebCore::VisibleSelection const&, WTF::OptionSet<WebCore::FrameSelection::SetSelectionOption>) (Editor.cpp:3325)
==138==    by 0x13BA9663: WebCore::Editor::appliedEditing(WebCore::CompositeEditCommand&) (Editor.cpp:1163)
==138==    by 0x13C284B3: WebCore::TypingCommand::typingAddedToOpenCommand(WebCore::TypingCommand::ETypingCommand) (TypingCommand.cpp:507)
==138==    by 0x13C29FE1: WebCore::TypingCommand::deleteKeyPressed(WebCore::TextGranularity, bool) (TypingCommand.cpp:747)
==138==    by 0x13C27BCC: WebCore::TypingCommand::doApply() (TypingCommand.cpp:365)
==138==    by 0x13B66C52: WebCore::CompositeEditCommand::apply() (CompositeEditCommand.cpp:398)
==138==    by 0x13C26CEA: WebCore::TypingCommand::deleteKeyPressed(WebCore::Document&, unsigned int, WebCore::TextGranularity) (TypingCommand.cpp:194)
==138==    by 0x13BA5A03: WebCore::Editor::deleteWithDirection(WebCore::SelectionDirection, WebCore::TextGranularity, bool, bool) (Editor.cpp:605)
==138==    by 0x13BBBA9F: WebCore::executeDeleteBackward(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&) (EditorCommand.cpp:309)
==138==    by 0x13BC0E77: WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const (EditorCommand.cpp:1887)
==138==    by 0xEF48E2E: WebKit::handleKeyDown(WebCore::Frame&, WebCore::KeyboardEvent&, WebCore::PlatformKeyboardEvent const&) (WebEditorClientWPE.cpp:205)
==138==    by 0xEF4906B: WebKit::WebEditorClient::handleKeyboardEvent(WebCore::KeyboardEvent&) (WebEditorClientWPE.cpp:235)
==138==    by 0x13BA470E: WebCore::Editor::handleKeyboardEvent(WebCore::KeyboardEvent&) (Editor.cpp:327)
==138==    by 0x144D0DF1: WebCore::EventHandler::defaultKeyboardEventHandler(WebCore::KeyboardEvent&) (EventHandler.cpp:3879)
==138==    by 0x13A64A64: WebCore::Node::defaultEventHandler(WebCore::Event&) (Node.cpp:2448)
==138==    by 0x13D3FA9D: WebCore::HTMLInputElement::defaultEventHandler(WebCore::Event&) (HTMLInputElement.cpp:1165)
==138==    by 0x139C6D15: WebCore::callDefaultEventHandlersInBubblingOrder(WebCore::Event&, WebCore::EventPath const&) (EventDispatcher.cpp:64)
==138==    by 0x139C78A7: WebCore::EventDispatcher::dispatchEvent(WebCore::Node&, WebCore::Event&) (EventDispatcher.cpp:206)
==138==    by 0x13A645C6: WebCore::Node::dispatchEvent(WebCore::Event&) (Node.cpp:2404)
==138==    by 0x144D0020: WebCore::EventHandler::internalKeyEvent(WebCore::PlatformKeyboardEvent const&) (EventHandler.cpp:3707)
==138==    by 0x144CF48C: WebCore::EventHandler::keyEvent(WebCore::PlatformKeyboardEvent const&) (EventHandler.cpp:3556)
==138==    by 0x150409FB: WebCore::UserInputBridge::handleKeyEvent(WebCore::PlatformKeyboardEvent const&, WebCore::InputSource) (UserInputBridge.cpp:83)
==138==    by 0xEF88A9B: WebKit::handleKeyEvent(WebKit::WebKeyboardEvent const&, WebCore::Page*) (WebPage.cpp:3219)
==138==    by 0xEF88BB6: WebKit::WebPage::keyEvent(WebKit::WebKeyboardEvent const&) (WebPage.cpp:3232)
==138==    by 0xDFEF002: void IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&), std::tuple<WebKit::WebKeyboardEvent>, 0ul>(WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&), std::tuple<WebKit::WebKeyboardEvent>&&, std::integer_sequence<unsigned long, 0ul>) (HandleMessage.h:131)
==138==    by 0xDFE04DF: void IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&), std::tuple<WebKit::WebKeyboardEvent>, std::integer_sequence<unsigned long, 0ul> >(std::tuple<WebKit::WebKeyboardEvent>&&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&)) (HandleMessage.h:137)
==138==    by 0xDFCCAF0: void IPC::handleMessage<Messages::WebPage::KeyEvent, WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&)>(IPC::Connection&, IPC::Decoder&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&)) (HandleMessage.h:259)
==138==    by 0xDFC16F4: WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::Decoder&) (WebPageMessageReceiver.cpp:2510)
==138==    by 0xEF8EF4C: WebKit::WebPage::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebPage.cpp:5350)
==138==    by 0xE5B3DD7: IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) (MessageReceiverMap.cpp:129)
==138==    by 0xECA8FA8: WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebProcess.cpp:912)
==138==    by 0xE58B523: IPC::Connection::dispatchMessage(IPC::Decoder&) (Connection.cpp:1108)
==138==    by 0xE58B7BA: IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >) (Connection.cpp:1153)
==138==    by 0xE58BD61: IPC::Connection::dispatchOneIncomingMessage() (Connection.cpp:1222)
==138==    by 0xE58B233: IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >)::{lambda()#1}::operator()() (Connection.cpp:1072)
==138==    by 0xE592317: WTF::Detail::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >)::{lambda()#1}, void>::call() (Function.h:53)
==138==    by 0xD9D63D4: WTF::Function<void ()>::operator()() const (Function.h:82)
==138==    by 0x10FD52E0: WTF::RunLoop::performWork() (RunLoop.cpp:133)
==138==    by 0x11080AEF: WTF::RunLoop::RunLoop()::{lambda(void*)#1}::operator()(void*) const (RunLoopGLib.cpp:80)
==138==    by 0x11080B13: WTF::RunLoop::RunLoop()::{lambda(void*)#1}::_FUN(void*) (RunLoopGLib.cpp:82)
==138==    by 0x11080A82: WTF::RunLoop::{lambda(_GSource*, int (*)(void*), void*)#1}::operator()(_GSource*, int (*)(void*), void*) const (RunLoopGLib.cpp:53)
==138==    by 0x11080AD0: WTF::RunLoop::{lambda(_GSource*, int (*)(void*), void*)#1}::_FUN(_GSource*, int (*)(void*), void*) (RunLoopGLib.cpp:56)
==138==    by 0x15FB5293: g_main_dispatch (gmain.c:3381)
==138==    by 0x15FB5293: g_main_context_dispatch (gmain.c:4099)
==138==    by 0x15FB5637: g_main_context_iterate.constprop.0 (gmain.c:4175)
==138==    by 0x15FB5942: g_main_loop_run (gmain.c:4373)
==138==    by 0x1108113B: WTF::RunLoop::run() (RunLoopGLib.cpp:108)
==138==    by 0xF022550: WebKit::AuxiliaryProcessMainBase<WebKit::WebProcess, true>::run(int, char**) (AuxiliaryProcessMain.h:70)
==138==    by 0xF01FC02: int WebKit::AuxiliaryProcessMain<WebKit::WebProcessMainWPE>(int, char**) (AuxiliaryProcessMain.h:96)
==138==    by 0xF01C15A: WebKit::WebProcessMain(int, char**) (WebProcessMainWPE.cpp:75)
==138==    by 0x109918: main (WebProcessMain.cpp:31)
==138==  Address 0xbbadbeef is not stack'd, malloc'd or (recently) free'd
==138== 

==138== Process terminating with default action of signal 11 (SIGSEGV)
==138==  Access not within mapped region at address 0xBBADBEEF
==138==    at 0x10F7E8B0: WTFCrash (Assertions.cpp:328)
==138==    by 0xD95B1A5: WTFCrashWithInfo(int, char const*, char const*, int) (Assertions.h:754)
==138==    by 0x130AA5AD: WebCore::Position::offsetInContainerNode() const (Position.h:94)
==138==    by 0x13A88115: WebCore::operator<<(WTF::TextStream&, WebCore::Position const&) (Position.cpp:1564)
==138==    by 0x13C63F25: void WTF::TextStream::dumpProperty<WebCore::Position>(char const*, WebCore::Position const&) (TextStream.h:109)
==138==    by 0x13C4D008: WebCore::operator<<(WTF::TextStream&, WebCore::VisibleSelection const&) (VisibleSelection.cpp:739)
==138==    by 0x13BC5822: WebCore::FrameSelection::setSelection(WebCore::VisibleSelection const&, WTF::OptionSet<WebCore::FrameSelection::SetSelectionOption>, WebCore::AXTextStateChangeIntent, WebCore::FrameSelection::CursorAlignOnScroll, WebCore::TextGranularity) (FrameSelection.cpp:431)
==138==    by 0x13BB53E4: WebCore::Editor::changeSelectionAfterCommand(WebCore::VisibleSelection const&, WTF::OptionSet<WebCore::FrameSelection::SetSelectionOption>) (Editor.cpp:3325)
==138==    by 0x13BA9663: WebCore::Editor::appliedEditing(WebCore::CompositeEditCommand&) (Editor.cpp:1163)
==138==    by 0x13C284B3: WebCore::TypingCommand::typingAddedToOpenCommand(WebCore::TypingCommand::ETypingCommand) (TypingCommand.cpp:507)
==138==    by 0x13C29FE1: WebCore::TypingCommand::deleteKeyPressed(WebCore::TextGranularity, bool) (TypingCommand.cpp:747)
==138==    by 0x13C27BCC: WebCore::TypingCommand::doApply() (TypingCommand.cpp:365)
==138==    by 0x13B66C52: WebCore::CompositeEditCommand::apply() (CompositeEditCommand.cpp:398)
==138==    by 0x13C26CEA: WebCore::TypingCommand::deleteKeyPressed(WebCore::Document&, unsigned int, WebCore::TextGranularity) (TypingCommand.cpp:194)
==138==    by 0x13BA5A03: WebCore::Editor::deleteWithDirection(WebCore::SelectionDirection, WebCore::TextGranularity, bool, bool) (Editor.cpp:605)
==138==    by 0x13BBBA9F: WebCore::executeDeleteBackward(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&) (EditorCommand.cpp:309)
==138==    by 0x13BC0E77: WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const (EditorCommand.cpp:1887)
==138==    by 0xEF48E2E: WebKit::handleKeyDown(WebCore::Frame&, WebCore::KeyboardEvent&, WebCore::PlatformKeyboardEvent const&) (WebEditorClientWPE.cpp:205)
==138==    by 0xEF4906B: WebKit::WebEditorClient::handleKeyboardEvent(WebCore::KeyboardEvent&) (WebEditorClientWPE.cpp:235)
==138==    by 0x13BA470E: WebCore::Editor::handleKeyboardEvent(WebCore::KeyboardEvent&) (Editor.cpp:327)
==138==    by 0x144D0DF1: WebCore::EventHandler::defaultKeyboardEventHandler(WebCore::KeyboardEvent&) (EventHandler.cpp:3879)
==138==    by 0x13A64A64: WebCore::Node::defaultEventHandler(WebCore::Event&) (Node.cpp:2448)
==138==    by 0x13D3FA9D: WebCore::HTMLInputElement::defaultEventHandler(WebCore::Event&) (HTMLInputElement.cpp:1165)
==138==    by 0x139C6D15: WebCore::callDefaultEventHandlersInBubblingOrder(WebCore::Event&, WebCore::EventPath const&) (EventDispatcher.cpp:64)
==138==    by 0x139C78A7: WebCore::EventDispatcher::dispatchEvent(WebCore::Node&, WebCore::Event&) (EventDispatcher.cpp:206)
==138==    by 0x13A645C6: WebCore::Node::dispatchEvent(WebCore::Event&) (Node.cpp:2404)
==138==    by 0x144D0020: WebCore::EventHandler::internalKeyEvent(WebCore::PlatformKeyboardEvent const&) (EventHandler.cpp:3707)
==138==    by 0x144CF48C: WebCore::EventHandler::keyEvent(WebCore::PlatformKeyboardEvent const&) (EventHandler.cpp:3556)
==138==    by 0x150409FB: WebCore::UserInputBridge::handleKeyEvent(WebCore::PlatformKeyboardEvent const&, WebCore::InputSource) (UserInputBridge.cpp:83)
==138==    by 0xEF88A9B: WebKit::handleKeyEvent(WebKit::WebKeyboardEvent const&, WebCore::Page*) (WebPage.cpp:3219)
==138==    by 0xEF88BB6: WebKit::WebPage::keyEvent(WebKit::WebKeyboardEvent const&) (WebPage.cpp:3232)
==138==    by 0xDFEF002: void IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&), std::tuple<WebKit::WebKeyboardEvent>, 0ul>(WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&), std::tuple<WebKit::WebKeyboardEvent>&&, std::integer_sequence<unsigned long, 0ul>) (HandleMessage.h:131)
==138==    by 0xDFE04DF: void IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&), std::tuple<WebKit::WebKeyboardEvent>, std::integer_sequence<unsigned long, 0ul> >(std::tuple<WebKit::WebKeyboardEvent>&&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&)) (HandleMessage.h:137)
==138==    by 0xDFCCAF0: void IPC::handleMessage<Messages::WebPage::KeyEvent, WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&)>(IPC::Connection&, IPC::Decoder&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::WebKeyboardEvent const&)) (HandleMessage.h:259)
==138==    by 0xDFC16F4: WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::Decoder&) (WebPageMessageReceiver.cpp:2510)
==138==    by 0xEF8EF4C: WebKit::WebPage::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebPage.cpp:5350)
==138==    by 0xE5B3DD7: IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) (MessageReceiverMap.cpp:129)
==138==    by 0xECA8FA8: WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebProcess.cpp:912)
==138==    by 0xE58B523: IPC::Connection::dispatchMessage(IPC::Decoder&) (Connection.cpp:1108)
==138==    by 0xE58B7BA: IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >) (Connection.cpp:1153)
==138==    by 0xE58BD61: IPC::Connection::dispatchOneIncomingMessage() (Connection.cpp:1222)
==138==    by 0xE58B233: IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >)::{lambda()#1}::operator()() (Connection.cpp:1072)
==138==    by 0xE592317: WTF::Detail::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >)::{lambda()#1}, void>::call() (Function.h:53)
==138==    by 0xD9D63D4: WTF::Function<void ()>::operator()() const (Function.h:82)
==138==    by 0x10FD52E0: WTF::RunLoop::performWork() (RunLoop.cpp:133)
==138==    by 0x11080AEF: WTF::RunLoop::RunLoop()::{lambda(void*)#1}::operator()(void*) const (RunLoopGLib.cpp:80)
==138==    by 0x11080B13: WTF::RunLoop::RunLoop()::{lambda(void*)#1}::_FUN(void*) (RunLoopGLib.cpp:82)
==138==    by 0x11080A82: WTF::RunLoop::{lambda(_GSource*, int (*)(void*), void*)#1}::operator()(_GSource*, int (*)(void*), void*) const (RunLoopGLib.cpp:53)
==138==    by 0x11080AD0: WTF::RunLoop::{lambda(_GSource*, int (*)(void*), void*)#1}::_FUN(_GSource*, int (*)(void*), void*) (RunLoopGLib.cpp:56)
==138==    by 0x15FB5293: g_main_dispatch (gmain.c:3381)
==138==    by 0x15FB5293: g_main_context_dispatch (gmain.c:4099)
==138==    by 0x15FB5637: g_main_context_iterate.constprop.0 (gmain.c:4175)
==138==    by 0x15FB5942: g_main_loop_run (gmain.c:4373)
==138==    by 0x1108113B: WTF::RunLoop::run() (RunLoopGLib.cpp:108)
==138==    by 0xF022550: WebKit::AuxiliaryProcessMainBase<WebKit::WebProcess, true>::run(int, char**) (AuxiliaryProcessMain.h:70)
==138==    by 0xF01FC02: int WebKit::AuxiliaryProcessMain<WebKit::WebProcessMainWPE>(int, char**) (AuxiliaryProcessMain.h:96)
==138==    by 0xF01C15A: WebKit::WebProcessMain(int, char**) (WebProcessMainWPE.cpp:75)
==138==    by 0x109918: main (WebProcessMain.cpp:31)

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