[Webkit-unassigned] [Bug 209236] [GTK] 2.28 fails to load content on ppc64el/s390x

Wed Mar 18 13:57:04 PDT 2020

https://bugs.webkit.org/show_bug.cgi?id=209236

--- Comment #15 from Carlos Alberto Lopez Perez <clopez at igalia.com> ---
So its crashing here:

#3  0x0000705dcc8beed4 in CRASH_WITH_INFO(...) () at DerivedSources/ForwardingHeaders/wtf/Assertions.h:660
#4  JSC::Config::permanentlyFreeze() () at ../Source/JavaScriptCore/runtime/JSCConfig.cpp:78
#5  0x0000705dccaf0fd0 in JSC::VM::VM(JSC::VM::VMType, JSC::HeapType) () at ../Source/JavaScriptCore/runtime/VM.cpp:586
#6  0x0000705dccaf2ad4 in JSC::VM::create(JSC::HeapType) () at ../Source/JavaScriptCore/runtime/VM.cpp:703
#7  0x0000705dd06d0b48 in WebCore::commonVMSlow() () at ../Source/WebCore/bindings/js/CommonVM.cpp:55
#8  0x0000705dd0e9fe74 in WebCore::commonVM() () at ../Source/WebCore/bindings/js/CommonVM.h:52
#9  WebCore::PageScriptDebugServer::PageScriptDebugServer(WebCore::Page&) () at ../Source/WebCore/inspector/PageScriptDebugServer.cpp:58
#10 0x0000705dd0e87548 in WebCore::InspectorController::InspectorController(WebCore::Page&, WebCore::InspectorClient*) () at ../Source/WebCore/inspector/InspectorController.cpp:105
#11 0x0000705dd116e254 in std::make_unique<WebCore::InspectorController, WebCore::Page&, WebCore::InspectorClient*&>(WebCore::Page&, WebCore::InspectorClient*&) () at /usr/include/c++/9/bits/unique_ptr.h:857
#12 WTF::makeUnique<WebCore::InspectorController, WebCore::Page&, WebCore::InspectorClient*&>(WebCore::Page&, WebCore::InspectorClient*&) () at DerivedSources/ForwardingHeaders/wtf/StdLibExtras.h:483
#13 WebCore::Page::Page(WebCore::PageConfiguration&&) () at ../Source/WebCore/page/Page.cpp:279
#14 0x0000705dcfbdf4f8 in std::make_unique<WebCore::Page, WebCore::PageConfiguration>(WebCore::PageConfiguration&&) () at /usr/include/c++/9/bits/unique_ptr.h:857
#15 WTF::makeUnique<WebCore::Page, WebCore::PageConfiguration>(WebCore::PageConfiguration&&) () at DerivedSources/ForwardingHeaders/wtf/StdLibExtras.h:483
#16 WebKit::WebPage::WebPage(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&) () at ../Source/WebKit/WebProcess/WebPage/WebPage.cpp:536
#17 0x0000705dcfbe0254 in WebKit::WebPage::create(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&) () at ../Source/WebKit/WebProcess/WebPage/WebPage.cpp:379
#18 0x0000705dcf994ad8 in WebKit::WebProcess::createWebPage(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&) () at ../Source/WebKit/WebProcess/WebProcess.cpp:685
#19 0x0000705dcf434e08 in IPC::callMemberFunctionImpl<WebKit::WebProcess, void (WebKit::WebProcess::*)(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&), std::tuple<WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters>, 0ul, 1ul>(WebKit::WebProcess*, void (WebKit::WebProcess::*)(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&), std::tuple<WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters>&&, std::integer_sequence<unsigned long, 0ul, 1ul>) () at ../Source/WebKit/Platform/IPC/HandleMessage.h:41
#20 IPC::callMemberFunction<WebKit::WebProcess, void (WebKit::WebProcess::*)(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&), std::tuple<WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters>, std::integer_sequence<unsigned long, 0ul, 1ul> >(std::tuple<WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters>&&, WebKit::WebProcess*, void (WebKit::WebProcess::*)(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&)) () at ../Source/WebKit/Platform/IPC/HandleMessage.h:47
#21 IPC::handleMessage<Messages::WebProcess::CreateWebPage, WebKit::WebProcess, void (WebKit::WebProcess::*)(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&)>(IPC::Decoder&, WebKit::WebProcess*, void (WebKit::WebProcess::*)(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebPageCreationParameters&&)) () at ../Source/WebKit/Platform/IPC/HandleMessage.h:120
#22 0x0000705dcf42ab14 in WebKit::WebProcess::didReceiveWebProcessMessage(IPC::Connection&, IPC::Decoder&) () at DerivedSources/WebKit/WebProcessMessageReceiver.cpp:291
#23 0x0000705dcf99ce1c in WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&) () at ../Source/WebKit/WebProcess/WebProcess.cpp:750
#24 WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&) () at ../Source/WebKit/WebProcess/WebProcess.cpp:744
#25 0x0000705dcf5f1298 in IPC::Connection::dispatchMessage(IPC::Decoder&) () at ../Source/WebKit/Platform/IPC/Connection.cpp:1008
#26 0x0000705dcf5f3014 in IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >) () at ../Source/WebKit/Platform/IPC/Connection.cpp:1077
#27 0x0000705dcf5f39e4 in IPC::Connection::dispatchOneIncomingMessage() () at ../Source/WebKit/Platform/IPC/Connection.cpp:1146
#28 0x0000705dcf5f3f34 in operator() () at ../Source/WebKit/Platform/IPC/Connection.cpp:985
#29 call() () at DerivedSources/ForwardingHeaders/wtf/Function.h:52
#30 0x0000705dccbc26f8 in WTF::Function<void ()>::operator()() const () at ../Source/WTF/wtf/Function.h:84
#31 WTF::RunLoop::performWork() () at ../Source/WTF/wtf/RunLoop.cpp:124
#32 0x0000705dccc3e5e8 in operator() () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
#33 _FUN() () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:70
#34 0x0000705dccc3e670 in operator() () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
#35 _FUN() () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:46
#36 0x0000705dcd4c5d14 in g_main_context_dispatch () at /lib/powerpc64le-linux-gnu/libglib-2.0.so.0
#37 0x0000705dcd4c6258 in  () at /lib/powerpc64le-linux-gnu/libglib-2.0.so.0
#38 0x0000705dcd4c67bc in g_main_loop_run () at /lib/powerpc64le-linux-gnu/libglib-2.0.so.0
#39 0x0000705dccc3f8a4 in WTF::RunLoop::run() () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
#40 0x0000705dcfc17d24 in WebKit::AuxiliaryProcessMain<WebKit::WebProcess, WebKit::WebProcessMainGtk>(int, char**) () at ../Source/WebKit/Shared/AuxiliaryProcessMain.h:68
#41 WebKit::WebProcessMain(int, char**) () at ../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:68
#42 0x000003e4f4b607c0 in main() () at ../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:45

Which translates to crashing in the RELEASE_ASSERT of line 78:

ebkitgtk-2.28.0 $ cat -n Source/JavaScriptCore/runtime/JSCConfig.cpp|tail -30
    53      
    54  void Config::permanentlyFreeze()
    55  {
    56  #if PLATFORM(COCOA)
    57      RELEASE_ASSERT(roundUpToMultipleOf(vmPageSize(), ConfigSizeToProtect) == ConfigSizeToProtect);
    58  #endif
    59  
    60      if (!g_jscConfig.isPermanentlyFrozen)
    61          g_jscConfig.isPermanentlyFrozen = true;
    62  
    63      int result = 0;
    64  #if OS(DARWIN)
    65      enum {
    66          AllowPermissionChangesAfterThis = false,
    67          DisallowPermissionChangesAfterThis = true
    68      };
    69  
    70      // There's no going back now!
    71      result = vm_protect(mach_task_self(), reinterpret_cast<vm_address_t>(&g_jscConfig), ConfigSizeToProtect, DisallowPermissionChangesAfterThis, VM_PROT_READ);
    72  #elif OS(LINUX)
    73      result = mprotect(&g_jscConfig, ConfigSizeToProtect, PROT_READ);
    74  #elif OS(WINDOWS)
    75      // FIXME: Implement equivalent, maybe with VirtualProtect.
    76      // Also need to fix WebKitTestRunner.
    77  #endif
    78      RELEASE_ASSERT(!result); // <--- HERE IT CRASHES
    79      RELEASE_ASSERT(g_jscConfig.isPermanentlyFrozen);
    80  }
    81  
    82  } // namespace JSC

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