Version: 54.0.2825.0 (Developer Build) (64-bit) with dcheck_always_on=1
OS: Linux

What steps will reproduce the problem?
(1) not sure..
(2)
(3)

What is the expected output?

What do you see instead?

renderer crashed
[1:1:0810/171531:FATAL:WorkerThreadableLoader.cpp(402)] Check failed: !m_mainThreadLoader.
#0 0x7ffff7a7a90e base::debug::StackTrace::StackTrace()
#1 0x7ffff7a9b4eb logging::LogMessage::~LogMessage()
#2 0x7fffea6a1a2e blink::WorkerThreadableLoader::Peer::~Peer()
#3 0x7ffff23617bc blink::NormalPage::sweep()
#4 0x7ffff235e8c1 blink::BaseArena::sweepUnsweptPage()
#5 0x7ffff235eb18 blink::BaseArena::completeSweep()
#6 0x7ffff2365ae0 blink::ThreadState::completeSweep()
#7 0x7fffe9c7fb78 blink::V8GCController::gcPrologue()
#8 0x7ffff3acc413 v8::internal::Heap::FinalizeIncrementalMarking()
#9 0x7ffff3adf6f4 v8::internal::Heap::TryFinalizeIdleIncrementalMarking()
#10 0x7ffff3ae912f v8::internal::IncrementalMarkingJob::IdleTask::Step()
#11 0x7ffff3ae91bf v8::internal::IncrementalMarkingJob::IdleTask::RunInternal()
#12 0x7fffed862501 scheduler::WebSchedulerImpl::runIdleTask()
#13 0x7fffed862934 _ZN4base8internal7InvokerINS0_9BindStateIPFvSt10unique_ptrIN5blink9WebThread8IdleTaskESt14default_deleteIS6_EENS_9TimeTicksEEJNS0_13PassedWra
pperIS9_EEEEEFvSA_EE3RunEPNS0_13BindStateBaseEOSA_#14 0x7fffed861d2a scheduler::SingleThreadIdleTaskRunner::RunTask()
#15 0x7fffed8620f7 _ZN4base8internal7InvokerINS0_9BindStateIMN9scheduler26SingleThreadIdleTaskRunnerEFvNS_8CallbackIFvNS_9TimeTicksEELNS0_8CopyModeE1EEEEJNS_7WeakPtrIS4_EES9_EEEFvvEE3RunEPNS0_13BindStateBaseE
#16 0x7ffff7a7b439 base::debug::TaskAnnotator::RunTask()
#17 0x7fffed855bb7 scheduler::TaskQueueManager::ProcessTaskFromWorkQueue()
#18 0x7fffed854829 scheduler::TaskQueueManager::DoWork()
#19 0x7ffff7a7b439 base::debug::TaskAnnotator::RunTask()
#20 0x7ffff7aa5db5 base::MessageLoop::RunTask()
#21 0x7ffff7aa60e8 base::MessageLoop::DeferOrRunPendingTask()
#22 0x7ffff7aa649b base::MessageLoop::DoWork()
#23 0x7ffff7aa7c5e base::MessagePumpDefault::Run()
#24 0x7ffff7aa58b1 base::MessageLoop::RunHandler()
#25 0x7ffff7ad3f00 base::RunLoop::Run()
#26 0x7ffff5b54c46 content::RendererMain()
#27 0x7ffff5c6ad9b content::RunZygote()
#28 0x7ffff5c6b675 content::RunNamedProcessTypeMain()
#29 0x7ffff5c6c0a3 content::ContentMainRunnerImpl::Run()
#30 0x7ffff5c6a960 content::ContentMain()
#31 0x555555a3d5bb ChromeMain
#32 0x7fffee921f45 __libc_start_main
#33 0x555555a3d48d <unknown>
Received signal 6
#0 0x7ffff7a7a4a7 base::debug::(anonymous namespace)::StackDumpSignalHandler()
#1 0x7ffff7bcc330 <unknown>
#2 0x7fffee936c37 gsignal
#3 0x7fffee93a028 abort
#4 0x7ffff7a789b2 base::debug::BreakDebugger()
#5 0x7ffff7a9b7aa logging::LogMessage::~LogMessage()
#6 0x7fffea6a1a2e blink::WorkerThreadableLoader::Peer::~Peer()
#7 0x7ffff23617bc blink::NormalPage::sweep()
#8 0x7ffff235e8c1 blink::BaseArena::sweepUnsweptPage()
#9 0x7ffff235eb18 blink::BaseArena::completeSweep()
#10 0x7ffff2365ae0 blink::ThreadState::completeSweep()
#11 0x7fffe9c7fb78 blink::V8GCController::gcPrologue()
#12 0x7ffff3acc413 v8::internal::Heap::FinalizeIncrementalMarking()
#13 0x7ffff3adf6f4 v8::internal::Heap::TryFinalizeIdleIncrementalMarking()
#14 0x7ffff3ae912f v8::internal::IncrementalMarkingJob::IdleTask::Step()
#15 0x7ffff3ae91bf v8::internal::IncrementalMarkingJob::IdleTask::RunInternal()
#16 0x7fffed862501 scheduler::WebSchedulerImpl::runIdleTask()
#17 0x7fffed862934 _ZN4base8internal7InvokerINS0_9BindStateIPFvSt10unique_ptrIN5blink9WebThread8IdleTaskESt14default_deleteIS6_EENS_9TimeTicksEEJNS0_13PassedWra
pperIS9_EEEEEFvSA_EE3RunEPNS0_13BindStateBaseEOSA_#18 0x7fffed861d2a scheduler::SingleThreadIdleTaskRunner::RunTask()
#19 0x7fffed8620f7 _ZN4base8internal7InvokerINS0_9BindStateIMN9scheduler26SingleThreadIdleTaskRunnerEFvNS_8CallbackIFvNS_9TimeTicksEELNS0_8CopyModeE1EEEEJNS_7WeakPtrIS4_EES9_EEEFvvEE3RunEPNS0_13BindStateBaseE
#20 0x7ffff7a7b439 base::debug::TaskAnnotator::RunTask()
#21 0x7fffed855bb7 scheduler::TaskQueueManager::ProcessTaskFromWorkQueue()
#22 0x7fffed854829 scheduler::TaskQueueManager::DoWork()
#23 0x7ffff7a7b439 base::debug::TaskAnnotator::RunTask()
#24 0x7ffff7aa5db5 base::MessageLoop::RunTask()
#25 0x7ffff7aa60e8 base::MessageLoop::DeferOrRunPendingTask()
#26 0x7ffff7aa649b base::MessageLoop::DoWork()
#27 0x7ffff7aa7c5e base::MessagePumpDefault::Run()
#28 0x7ffff7aa58b1 base::MessageLoop::RunHandler()
#29 0x7ffff7ad3f00 base::RunLoop::Run()
#30 0x7ffff5b54c46 content::RendererMain()
#31 0x7ffff5c6ad9b content::RunZygote()
#32 0x7ffff5c6b675 content::RunNamedProcessTypeMain()
#33 0x7ffff5c6c0a3 content::ContentMainRunnerImpl::Run()
#34 0x7ffff5c6a960 content::ContentMain()
#35 0x555555a3d5bb ChromeMain
#36 0x7fffee921f45 __libc_start_main
#37 0x555555a3d48d <unknown>
  r8: ffff87dbd22ee1c8  r9: ffff87dbd22ee1b8 r10: 0000000000000008 r11: 0000000000000202
 r12: 0000188afa0ff000 r13: 0000188afa0f1df0 r14: 00007fffffffb4b8 r15: 00007fffffffb4a8
  di: 0000000000000001  si: 0000000000000001  bp: 0000000000000050  bx: 0000000000000000
  dx: 0000000000000006  ax: 0000000000000000  cx: ffffffffffffffff  sp: 00007fffffffaf08
  ip: 00007fffee936c37 efl: 0000000000000202 cgf: 4165000000000033 erf: 0000000000000000
 trp: 0000000000000001 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]

Please use labels and text to provide additional information.
https://chromium.googlesource.com/chromium/src/+/279f12d293087b7619089ecbe418e83df9d04a76