This crash : go/crash/2e9b346400000000, has been found by the last SyzyASAN Canary (51.0.2684.1) 

Bad access information:

Error Type: heap-use-after-free
Location: 0x179e3fa7
Access Mode: write
Access Size: 4
User Size : 28

Magic Stack:
=============
Thread 0 CRASHED [EXCEPTION_BOUNDS_EXCEEDED @ 0x5b827be1 ] MAGIC SIGNATURE THREAD
0x5b827be1	(chrome.dll -ref_counted.cc:42 )	base::subtle::RefCountedThreadSafeBase::Release()
0x5c448c6d	(chrome.dll -ref_counted.h:183 )	base::RefCountedThreadSafe<RefcountedKeyedService,impl::RefcountedKeyedServiceTraits>::Release()
0x5d40bd2f	(chrome.dll + 0x01c6bd2f )	std::tuple<scoped_refptr<extensions::DialAPI>,std::vector<extensions::DialDeviceData,std::allocator<extensions::DialDeviceData> > >::~tuple<scoped_refptr<extensions::DialAPI>,std::vector<extensions::DialDeviceData,std::allocator<extensions::DialDeviceData> > >()
0x5d40be81	(chrome.dll -bind_internal.h:431 )	base::internal::BindState<base::internal::RunnableAdapter<void ( extensions::DialAPI::*)(std::vector<extensions::DialDeviceData,std::allocator<extensions::DialDeviceData> > const &)>,void ,extensions::DialAPI * const,std::vector<extensions::DialDeviceData,std::allocator<extensions::DialDeviceData> > const &>::Destroy(base::internal::BindStateBase *)
0x5b7ffeef	(chrome.dll -message_loop.cc:513 )	base::MessageLoop::DeletePendingTasks()
0x5b7fe046	(chrome.dll -message_loop.cc:163 )	base::MessageLoop::~MessageLoop()
0x5b7fdca4	(chrome.dll + 0x0005dca4 )	base::MessageLoop::`scalar deleting destructor'(unsigned int)
0x5cd32065	(chrome.dll -browser_main_loop.cc:436 )	content::BrowserMainLoop::~BrowserMainLoop()
0x5cd321ca	(chrome.dll + 0x015921ca )	content::BrowserMainLoop::`scalar deleting destructor'(unsigned int)
0x5cd3172a	(chrome.dll -browser_main_runner.cc:221 )	content::BrowserMainRunnerImpl::Shutdown()
0x5ccdbc6f	(chrome.dll -browser_main.cc:46 )	content::BrowserMain(content::MainFunctionParams const &)
0x5c5a0e94	(chrome.dll -content_main_runner.cc:399 )	content::RunNamedProcessTypeMain(std::basic_string<char,std::char_traits<char>,std::allocator<char> > const &,content::MainFunctionParams const &,content::ContentMainDelegate *)
0x5c5a0de8	(chrome.dll -content_main_runner.cc:772 )	content::ContentMainRunnerImpl::Run()
0x5c59dfda	(chrome.dll -content_main.cc:19 )	content::ContentMain(content::ContentMainParams const &)
0x5c436bbf	(chrome.dll -chrome_main.cc:84 )	ChromeMain
0x000df922	(chrome.exe -main_dll_loader_win.cc:183 )	MainDllLoader::Launch(HINSTANCE__ *)
0x000debfa	(chrome.exe -chrome_exe_main_win.cc:230 )	wWinMain
0x001112bf	(chrome.exe -exe_common.inl:264 )	__scrt_common_main_seh
0x76e67c03	(kernel32.dll + 0x00017c03 )	BaseThreadInitThunk
0x77edab8e	(ntdll.dll + 0x0005ab8e )	__RtlUserThreadStart
0x77edab59	(ntdll.dll + 0x0005ab59 )	_RtlUserThreadStart

ASAN Free Stack trace:
=======================
0x68139dba	(syzyasan_rtl.dll -block_heap_manager.cc:294 )	agent::asan::heap_managers::BlockHeapManager::Free(unsigned int,void *)
0x6813d08d	(syzyasan_rtl.dll -rtl_impl.cc:123 )	asan_HeapFree
0x5d5fc31f	(chrome.dll -free_base.cpp:107 )	_free_base
0x5d40be38	(chrome.dll + 0x01c6be38 )	extensions::DialAPI::`scalar deleting destructor'(unsigned int)
0x5cd61afd	(chrome.dll -sequenced_task_runner_helpers.h:41 )	base::DeleteHelper<content::NotificationMessageFilter>::DoDelete(void const *)
0x5b80242b	(chrome.dll -bind_internal.h:352 )	base::internal::Invoker<base::IndexSequence<0>,base::internal::BindState<base::internal::RunnableAdapter<void (*)(void const *)>,void ,void const * &>,base::internal::InvokeHelper<0,void,base::internal::RunnableAdapter<void (*)(void const *)> >,void >::Run(base::internal::BindStateBase *)
0x5b879ffc	(chrome.dll -task_annotator.cc:51 )	base::debug::TaskAnnotator::RunTask(char const *,base::PendingTask const &)
0x5b7ff8bd	(chrome.dll -message_loop.cc:477 )	base::MessageLoop::RunTask(base::PendingTask const &)
0x5b8009f7	(chrome.dll -message_loop.cc:598 )	base::MessageLoop::DoWork()
0x5b87b2e8	(chrome.dll -message_pump_win.cc:485 )	base::MessagePumpForIO::DoRunLoop()
0x5b87a193	(chrome.dll -message_pump_win.cc:52 )	base::MessagePumpWin::Run(base::MessagePump::Delegate *)
0x5b85adce	(chrome.dll -run_loop.cc:36 )	base::RunLoop::Run()
0x5b829949	(chrome.dll -thread.cc:202 )	base::Thread::Run(base::MessageLoop *)
0x5cc6f502	(chrome.dll -browser_thread_impl.cc:216 )	content::BrowserThreadImpl::IOThreadRun(base::MessageLoop *)
0x5cc6fba9	(chrome.dll -browser_thread_impl.cc:251 )	content::BrowserThreadImpl::Run(base::MessageLoop *)
0x5b829c54	(chrome.dll -thread.cc:254 )	base::Thread::ThreadMain()
0x5b85b39e	(chrome.dll -platform_thread_win.cc:86 )	base::`anonymous namespace'::ThreadFunc
0x76e67c04	(kernel32.dll + 0x00017c04 )	BaseThreadInitThunk
0x77edab8f	(ntdll.dll + 0x0005ab8f )	__RtlUserThreadStart
0x77edab5a	(ntdll.dll + 0x0005ab5a )	_RtlUserThreadStart

ASAN Allocation Stack Trace:
=============================
0x68139abe	(syzyasan_rtl.dll -block_heap_manager.cc:190 )	agent::asan::heap_managers::BlockHeapManager::Allocate(unsigned int,unsigned int)
0x6813cfe3	(syzyasan_rtl.dll -rtl_impl.cc:102 )	asan_HeapAlloc
0x5d5fc37f	(chrome.dll -malloc_base.cpp:29 )	_malloc_base
0x5d5cee48	(chrome.dll -new_scalar.cpp:19 )	operator new(unsigned int)
0x5d3aec32	(chrome.dll -dial_api_factory.cc:36 )	extensions::DialAPIFactory::BuildServiceInstanceFor(content::BrowserContext *)
0x5d2855ca	(chrome.dll -refcounted_browser_context_keyed_service_factory.cc:88 )	RefcountedBrowserContextKeyedServiceFactory::BuildServiceInstanceFor(base::SupportsUserData *)
0x5ca50f80	(chrome.dll -refcounted_keyed_service_factory.cc:82 )	RefcountedKeyedServiceFactory::GetServiceForContext(base::SupportsUserData *,bool)
0x5ca50de4	(chrome.dll -refcounted_keyed_service_factory.cc:130 )	RefcountedKeyedServiceFactory::CreateServiceNow(base::SupportsUserData *)
0x5ca518e3	(chrome.dll -dependency_manager.cc:66 )	DependencyManager::CreateContextServices(base::SupportsUserData *,bool)
0x5d2857b5	(chrome.dll -browser_context_dependency_manager.cc:48 )	BrowserContextDependencyManager::DoCreateBrowserContextServices(content::BrowserContext *,bool)
0x5d285729	(chrome.dll -browser_context_dependency_manager.cc:33 )	BrowserContextDependencyManager::CreateBrowserContextServices(content::BrowserContext *)
0x5c53d515	(chrome.dll -profile_impl.cc:825 )	ProfileImpl::OnLocaleReady()
0x5c53d867	(chrome.dll -profile_impl.cc:857 )	ProfileImpl::OnPrefsLoaded(Profile::CreateMode,bool)
0x5c53b165	(chrome.dll -profile_impl.cc:481 )	ProfileImpl::ProfileImpl(base::FilePath const &,Profile::Delegate *,Profile::CreateMode,base::SequencedTaskRunner *)
0x5c53b73a	(chrome.dll -profile_impl.cc:316 )	Profile::CreateProfile(base::FilePath const &,Profile::Delegate *,Profile::CreateMode)
0x5c4d5612	(chrome.dll -profile_manager.cc:1236 )	ProfileManager::CreateProfileHelper(base::FilePath const &)
0x5c4d5111	(chrome.dll -profile_manager.cc:1316 )	ProfileManager::CreateAndInitializeProfile(base::FilePath const &)
0x5c4d69ad	(chrome.dll -profile_manager.cc:429 )	ProfileManager::GetProfile(base::FilePath const &)
0x5c487742	(chrome.dll -chrome_browser_main.cc:396 )	`anonymous namespace'::CreatePrimaryProfile
0x5c48a0c9	(chrome.dll -chrome_browser_main.cc:1492 )	ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
0x5c48979c	(chrome.dll -chrome_browser_main.cc:1144 )	ChromeBrowserMainParts::PreMainMessageLoopRun()
0x5cd34d4f	(chrome.dll -browser_main_loop.cc:945 )	content::BrowserMainLoop::PreMainMessageLoopRun()
0x5ce5a0b5	(chrome.dll -startup_task_runner.cc:45 )	content::StartupTaskRunner::RunAllTasksNow()
0x5cd32e4d	(chrome.dll -browser_main_loop.cc:819 )	content::BrowserMainLoop::CreateStartupTasks()
0x5cd312b5	(chrome.dll -browser_main_runner.cc:138 )	content::BrowserMainRunnerImpl::Initialize(content::MainFunctionParams const &)
0x5ccdbc32	(chrome.dll -browser_main.cc:40 )	content::BrowserMain(content::MainFunctionParams const &)
0x5c5a0e95	(chrome.dll -content_main_runner.cc:399 )	content::RunNamedProcessTypeMain(std::basic_string<char,std::char_traits<char>,std::allocator<char> > const &,content::MainFunctionParams const &,content::ContentMainDelegate *)
0x5c5a0de9	(chrome.dll -content_main_runner.cc:772 )	content::ContentMainRunnerImpl::Run()
0x5c59dfdb	(chrome.dll -content_main.cc:19 )	content::ContentMain(content::ContentMainParams const &)
0x5c436bc0	(chrome.dll -chrome_main.cc:87 )	ChromeMain
0x000df923	(chrome.exe -main_dll_loader_win.cc:184 )	MainDllLoader::Launch(HINSTANCE__ *)
0x000debfb	(chrome.exe -chrome_exe_main_win.cc:231 )	wWinMain
0x001112c0	(chrome.exe -exe_common.inl:264 )	__scrt_common_main_seh
0x76e67c04	(kernel32.dll + 0x00017c04 )	BaseThreadInitThunk
0x77edab8f	(ntdll.dll + 0x0005ab8f )	__RtlUserThreadStart
0x77edab5a	(ntdll.dll + 0x0005ab5a )	_RtlUserThreadStart

This ASAN crash has introduced in Canary#51.0.2684.1 and below is the list of builds having this issue. Not seeing any Non-ASAN builds with this crash.

51.0.2686.1	50.00%	1	
51.0.2684.1	50.00%	1	

Here is the link where you can see the list of chrome builds with this crash.
https://crash.corp.google.com/browse?q=product.name%3D%27Chrome%27%20AND%20custom_data.ChromeCrashProto.ptype%3D%27browser%27%20AND%20special_protos.asan_report.is_actionable%3D1%20AND%20custom_data.ChromeCrashProto.magic_signature_1.name%3D%27base%3A%3Asubtle%3A%3ARefCountedThreadSafeBase%3A%3ARelease%27&ignore_case=false&enable_rewrite=true&omit_field_name=&omit_field_value=&omit_field_opt=%3D

Forwording to https://chromium.googlesource.com/chromium/src/+/master/base/memory/OWNERS.

Thank you!