Product name: Chrome
Magic Signature: rtc::PlatformThread::Start

Current link:
https://crash.corp.google.com/browse?q=product.name%3D'Chrome'%20AND%20product.version%3D'60.0.3112.20'%20AND%20custom_data.ChromeCrashProto.channel%3D'dev'%20AND%20custom_data.ChromeCrashProto.ptype%3D'renderer'%20AND%20ReportID%3D'2abc34a9f0000000'%20AND%20custom_data.ChromeCrashProto.magic_signature_1.name%3D'rtc%3A%3APlatformThread%3A%3AStart'&ignore_case=false&enable_rewrite=true&omit_field_name=&omit_field_value=&omit_field_opt=%3D#3


Search properties:
product.name: Chrome
product.version: 60.0.3112.20
custom_data.chromecrashproto.channel: dev
custom_data.chromecrashproto.ptype: renderer
reportid: 2abc34a9f0000000

Metadata :
Product Name: Chrome
Product Version: 60.0.3112.20
Report ID: 2abc34a9f0000000
Report Time: Thu, 08 Jun 2017 00:20:46 GMT
Uptime: 105000 ms
Cumulative Uptime: 0 ms
User Email: 
OS Name: Windows NT
OS Version: 6.1.7601 18229
CPU Architecture: x86
CPU Info: GenuineIntel family 6 model 23 stepping 10

Stack trace
=================
Thread 16 (id: 6268) CRASHED [EXCEPTION_ACCESS_VIOLATION_WRITE @ 0x00000000 ] MAGIC SIGNATURE THREAD
Stack Quality100%Show frame trust levels
0x0f94ff30	(chrome_child.dll -win_util.cc:70 )	base::win::`anonymous namespace'::ForceCrashOnSigAbort
0x0fa858bf	(chrome_child.dll -signal.cpp:516 )	raise
0x0fa7429b	(chrome_child.dll -abort.cpp:64 )	abort
0x10706206	(chrome_child.dll -checks.cc:110 )	rtc::FatalMessage::~FatalMessage()
0x107069c1	(chrome_child.dll -platform_thread.cc:156 )	rtc::PlatformThread::Start()
0x10e8267b	(chrome_child.dll -process_thread_impl.cc:74 )	webrtc::ProcessThreadImpl::Start()
0x10e79ca2	(chrome_child.dll -call.cc:420 )	webrtc::internal::Call::Call(webrtc::Call::Config const &,std::unique_ptr<webrtc::RtpTransportControllerSendInterface,std::default_delete<webrtc::RtpTransportControllerSendInterface> >)
0x10e7a8f4	(chrome_child.dll -call.cc:361 )	webrtc::Call::Create(webrtc::Call::Config const &)
0x10e2a927	(chrome_child.dll -peerconnection.cc:2344 )	webrtc::PeerConnection::CreateCall_w()
0x10e2d543	(chrome_child.dll -messagehandler.h:64 )	rtc::FunctorMessageHandler<void,rtc::MethodFunctor<webrtc::PeerConnection,void ( webrtc::PeerConnection::*)(void),void> >::OnMessage(rtc::Message *)
0x10df3e2a	(chrome_child.dll -thread_wrapper.cc:157 )	jingle_glue::JingleThreadWrapper::Dispatch(rtc::Message *)
0x10df40be	(chrome_child.dll -thread_wrapper.cc:226 )	jingle_glue::JingleThreadWrapper::ProcessPendingSends()
0x0f45bbe1	(chrome_child.dll -bind_internal.h:339 )	base::internal::Invoker<base::internal::BindState<void ( blink::HTMLDocumentParser::*)(void),base::WeakPtr<blink::HTMLDocumentParser> >,void >::Run(base::internal::BindStateBase *)
0x0f3fc686	(chrome_child.dll -task_annotator.cc:59 )	base::debug::TaskAnnotator::RunTask(char const *,base::PendingTask *)
0x0f3f9b34	(chrome_child.dll -message_loop.cc:409 )	base::MessageLoop::RunTask(base::PendingTask *)
0x0f3fc2d3	(chrome_child.dll -message_loop.cc:508 )	base::MessageLoop::DoWork()
0x0f3fa633	(chrome_child.dll -message_pump_default.cc:33 )	base::MessagePumpDefault::Run(base::MessagePump::Delegate *)
0x0f685f8f	(chrome_child.dll -message_loop.cc:360 )	base::MessageLoop::Run()
0x0f685f46	(chrome_child.dll -run_loop.cc:111 )	base::RunLoop::Run()
0x0f685f0d	(chrome_child.dll -thread.cc:255 )	base::Thread::Run(base::RunLoop *)
0x0f685ea0	(chrome_child.dll -thread.cc:338 )	base::Thread::ThreadMain()
0x0f685551	(chrome_child.dll -platform_thread_win.cc:89 )	base::`anonymous namespace'::ThreadFunc
0x76c7ed5b	(kernel32.dll + 0x0004ed5b )	BaseThreadInitThunk
0x77ab37ea	(ntdll.dll + 0x000637ea )	__RtlUserThreadStart
0x77ab37bd	(ntdll.dll + 0x000637bd )	_RtlUserThreadStart

This crash is first started from 56.0.2924.87 and on latest dev seeing 9 from 8 different clients.

61.0.3123.0	0.12%	1	
61.0.3122.0	0.36%	3	
60.0.3112.21	1.31%	11	
60.0.3112.20	1.07%	9	
60.0.3112.11	0.12%	1	
60.0.3112.10	0.12%	1	
59.0.3071.86	7.84%	66	
58.0.3029.110	87.65%	738	
58.0.3029.81	0.12%	1	
57.0.2987.133	1.19%	10	
56.0.2924.87	0.12%	1	


Link to the list of builds
https://crash.corp.google.com/browse?q=product.name%3D%27Chrome%27%20AND%20custom_data.ChromeCrashProto.ptype%3D%27renderer%27%20AND%20custom_data.ChromeCrashProto.magic_signature_1.name%3D%27rtc%3A%3APlatformThread%3A%3AStart%27&ignore_case=false&enable_rewrite=true&omit_field_name=&omit_field_value=&omit_field_opt=%3D#samplereports:5,productversion:1000

From the similar bug 687553 assigning to zhihuang

zhihuang@ Could you please look into this issue if it is related to your change,else please help us in finding the appropriate owner for this issue.

Note::
1.This is top #23 renderer crash on chrome Dev 60.0.3112.20	
2.This is not seeing on latest canary channel.
3. This crash is observed only on windows OS.

Thanks,