https://ci.chromium.org/buildbot/chromium.webkit/WebKit%20Linux%20Trusty%20Leak/23084

[1:1:0815/060609.519214:FATAL:heap_page.h(923)] Check failed: IsValid(). 
#0 0x000002c31f1c base::debug::StackTrace::StackTrace()
#1 0x000002bb78b0 logging::LogMessage::~LogMessage()
#2 0x00000239623a blink::NormalPage::Sweep()
#3 0x000002393c62 blink::BaseArena::CompleteSweep()
#4 0x00000238d944 blink::ThreadHeap::CompleteSweep()
#5 0x00000239af66 blink::ThreadState::CompleteSweep()
#6 0x0000023a034e blink::ThreadState::RunAtomicPause()
#7 0x00000239b266 blink::ThreadState::CollectGarbage()
#8 0x000003f3f864 blink::V8GCController::GcEpilogue()
#9 0x000001eee004 v8::internal::Heap::PerformGarbageCollection()
#10 0x000001eebc80 v8::internal::Heap::CollectGarbage()
#11 0x000001eeac49 v8::internal::Heap::CollectAllGarbage()
#12 0x000003f3fef0 blink::V8GCController::CollectAllGarbageForTesting()
#13 0x000005589302 blink::BlinkLeakDetector::PerformLeakDetection()
#14 0x000001bc0500 blink::mojom::blink::LeakDetectorStubDispatch::AcceptWithResponder()
#15 0x000005589766 blink::mojom::blink::LeakDetectorStub<>::AcceptWithResponder()
#16 0x000002c56d48 mojo::InterfaceEndpointClient::HandleValidatedMessage()
#17 0x000002c5b7db mojo::internal::MultiplexRouter::ProcessIncomingMessage()
#18 0x000002c5aff8 mojo::internal::MultiplexRouter::Accept()
#19 0x000002c556e0 mojo::Connector::ReadSingleMessage()
#20 0x000002c55e51 mojo::Connector::ReadAllAvailableMessages()
#21 0x000002c5093a mojo::SimpleWatcher::OnHandleReady()
#22 0x000002bbceb9 base::debug::TaskAnnotator::RunTask()
#23 0x000002bf2be2 base::sequence_manager::internal::ThreadControllerImpl::DoWork()
#24 0x000002bbceb9 base::debug::TaskAnnotator::RunTask()
#25 0x000002bbc152 base::MessageLoop::RunTask()
#26 0x000002bbc602 base::MessageLoop::DoWork()
#27 0x000002bbea9a base::MessagePumpDefault::Run()
#28 0x000002bd66c5 base::RunLoop::Run()
#29 0x00000590a231 content::RendererMain()
#30 0x0000024980b7 content::RunZygote()
#31 0x0000024991fd content::ContentMainRunnerImpl::Run()
#32 0x000003ecb7eb service_manager::Main()
#33 0x000001b75d31 content::ContentMain()
#34 0x0000012c714b main
#35 0x7fc48dc2ef45 __libc_start_main
#36 0x0000012c702a _start