Product name: Chrome
Magic Signature: content::WebURLLoaderImpl::setLoadingTaskRunner

Current link:
crash.corp.google.com/browse?q=product.name%3D'Chrome'%20AND%20product.version%3D'52.0.2708.0'%20AND%20custom_data.ChromeCrashProto.ptype%3D'renderer'%20AND%20ReportID%3D'327ff2cc00000000'%20AND%20custom_data.ChromeCrashProto.magic_signature_1.name%3D'content%3A%3AWebURLLoaderImpl%3A%3AsetLoadingTaskRunner'&ignore_case=false&enable_rewrite=true&omit_field_name=&omit_field_value=&omit_field_opt=%3D#3


Search properties:
product.name: Chrome
product.version: 52.0.2708.0
custom_data.chromecrashproto.ptype: renderer
reportid: 327ff2cc00000000

Metadata :
Product Name: Chrome
Product Version: 52.0.2708.0
Report ID: 327ff2cc00000000
Report Time: Thu, 14 Apr 2016 07:39:11 GMT
Uptime: 23000 ms
Cumulative Uptime: 0 ms
User Email: 
OS Name: Windows NT
OS Version: 10.0.10586 0
CPU Architecture: amd64
CPU Info: family 21 model 16 stepping 1

Stack Trace:
Thread 0 CRASHED [EXCEPTION_ACCESS_VIOLATION_READ @ 0x00000000 ] MAGIC SIGNATURE THREAD
0x00007ff9fb4465fa	(chrome_child.dll -web_url_loader_impl.cc:1137 )	content::WebURLLoaderImpl::setLoadingTaskRunner(blink::WebTaskRunner *)
0x00007ff9f90cd5ef	(chrome_child.dll -resourceloader.cpp:106 )	blink::ResourceLoader::start(blink::ResourceRequest &)
0x00007ff9f90245e9	(chrome_child.dll -resource.cpp:265 )	blink::Resource::load(blink::ResourceFetcher *)
0x00007ff9f9d97a95	(chrome_child.dll -remotefontfacesource.cpp:177 )	blink::RemoteFontFaceSource::beginLoadIfNeeded()
0x00007ff9f9d8da38	(chrome_child.dll -cssfontface.cpp:158 )	blink::CSSFontFace::load(blink::FontDescription const &)
0x00007ff9f9d8d83a	(chrome_child.dll -cssfontface.cpp:139 )	blink::CSSFontFace::load()
0x00007ff9f9d8d3f2	(chrome_child.dll -cssfontface.cpp:71 )	blink::CSSFontFace::fontLoaded(blink::RemoteFontFaceSource *)
0x00007ff9f9d976dc	(chrome_child.dll -remotefontfacesource.cpp:99 )	blink::RemoteFontFaceSource::fontLoaded(blink::FontResource *)
0x00007ff9f90d818e	(chrome_child.dll -fontresource.cpp:178 )	blink::FontResource::checkNotify()
0x00007ff9f9024c35	(chrome_child.dll -resource.cpp:334 )	blink::Resource::error(blink::Resource::Status)
0x00007ff9f90cdaa8	(chrome_child.dll -resourceloader.cpp:203 )	blink::ResourceLoader::cancel(blink::ResourceError const &)
0x00007ff9f90cdeeb	(chrome_child.dll -resourceloader.cpp:274 )	blink::ResourceLoader::didReceiveResponse(blink::WebURLLoader *,blink::WebURLResponse const &,blink::WebDataConsumerHandle *)
0x00007ff9fb4442f3	(chrome_child.dll -web_url_loader_impl.cc:682 )	content::WebURLLoaderImpl::Context::OnReceivedResponse(content::ResourceResponseInfo const &)
0x00007ff9fa6a574c	(chrome_child.dll -resource_dispatcher.cc:174 )	content::ResourceDispatcher::OnReceivedResponse(int,content::ResourceResponseHead const &)
0x00007ff9fa6a2df9	(chrome_child.dll -ipc_message_templates.h:121 )	IPC::MessageT<ResourceMsg_ReceivedResponse_Meta,std::tuple<int,content::ResourceResponseHead>,void>::Dispatch<content::ResourceDispatcher,content::ResourceDispatcher,void,void ( content::ResourceDispatcher::*)(int,content::ResourceResponseHead const &)>(IPC::Message const *,content::ResourceDispatcher *,content::ResourceDispatcher *,void *,void ( content::ResourceDispatcher::*)(int,content::ResourceResponseHead const &))
0x00007ff9fa6a4a7e	(chrome_child.dll -resource_dispatcher.cc:503 )	content::ResourceDispatcher::DispatchMessageW(IPC::Message const &)
0x00007ff9fa6a4e77	(chrome_child.dll -resource_dispatcher.cc:124 )	content::ResourceDispatcher::OnMessageReceived(IPC::Message const &)
0x00007ff9fa6b0320	(chrome_child.dll -resource_scheduling_filter.cc:31 )	content::`anonymous namespace'::DispatchMessageTask::run
0x00007ff9fb433ff5	(chrome_child.dll -permission_dispatcher.cc:220 )	content::PermissionDispatcher::RunPermissionCallbackOnWorkerThread(std::unique_ptr<blink::WebCallbacks<blink::WebPermissionStatus,void>,std::default_delete<blink::WebCallbacks<blink::WebPermissionStatus,void> > >,blink::WebPermissionStatus)
0x00007ff9fa32a6bd	(chrome_child.dll -bind_internal.h:372 )	base::internal::Invoker<base::IndexSequence<0>,base::internal::BindState<base::internal::RunnableAdapter<void (*)(std::unique_ptr<mojo::edk::NodeController,std::default_delete<mojo::edk::NodeController> >)>,void ,base::internal::PassedWrapper<std::unique_ptr<mojo::edk::NodeController,std::default_delete<mojo::edk::NodeController> > > >,base::internal::InvokeHelper<0,void,base::internal::RunnableAdapter<void (*)(std::unique_ptr<mojo::edk::NodeController,std::default_delete<mojo::edk::NodeController> >)> >,void >::Run(base::internal::BindStateBase *)
0x00007ff9f8b6c053	(chrome_child.dll -task_annotator.cc:51 )	base::debug::TaskAnnotator::RunTask(char const *,base::PendingTask const &)
0x00007ff9fb4648ca	(chrome_child.dll -task_queue_manager.cc:289 )	scheduler::TaskQueueManager::ProcessTaskFromWorkQueue(scheduler::internal::WorkQueue *,scheduler::internal::TaskQueueImpl::Task *)
0x00007ff9fb46406a	(chrome_child.dll -task_queue_manager.cc:201 )	scheduler::TaskQueueManager::DoWork(base::TimeTicks,bool)
0x00007ff9fb4631ea	(chrome_child.dll -bind_internal.h:334 )	base::internal::InvokeHelper<1,void,base::internal::RunnableAdapter<void ( scheduler::TaskQueueManager::*)(base::TimeTicks,bool)> >::MakeItSo<base::WeakPtr<scheduler::TaskQueueManager>,base::TimeTicks const &,bool const &>(base::internal::RunnableAdapter<void ( scheduler::TaskQueueManager::*)(base::TimeTicks,bool)>,base::WeakPtr<scheduler::TaskQueueManager>,base::TimeTicks const &,bool const &)
0x00007ff9fb464ca1	(chrome_child.dll -bind_internal.h:372 )	base::internal::Invoker<base::IndexSequence<0,1,2>,base::internal::BindState<base::internal::RunnableAdapter<void ( scheduler::TaskQueueManager::*)(base::TimeTicks,bool)>,void ,base::WeakPtr<scheduler::TaskQueueManager>,base::TimeTicks &,bool>,base::internal::InvokeHelper<1,void,base::internal::RunnableAdapter<void ( scheduler::TaskQueueManager::*)(base::TimeTicks,bool)> >,void >::Run(base::internal::BindStateBase *)
0x00007ff9f8b6c053	(chrome_child.dll -task_annotator.cc:51 )	base::debug::TaskAnnotator::RunTask(char const *,base::PendingTask const &)
0x00007ff9f8b273bf	(chrome_child.dll -message_loop.cc:479 )	base::MessageLoop::RunTask(base::PendingTask const &)
0x00007ff9f8b28051	(chrome_child.dll -message_loop.cc:600 )	base::MessageLoop::DoWork()
0x00007ff9f8b6e1b1	(chrome_child.dll -message_pump_default.cc:33 )	base::MessagePumpDefault::Run(base::MessagePump::Delegate *)
0x00007ff9f8b6dbfe	(chrome_child.dll -run_loop.cc:35 )	base::RunLoop::Run()
0x00007ff9f8b266b0	(chrome_child.dll -message_loop.cc:295 )	base::MessageLoop::Run()
0x00007ff9fa71ee45	(chrome_child.dll -renderer_main.cc:219 )	content::RendererMain(content::MainFunctionParams const &)
0x00007ff9fa02fa5a	(chrome_child.dll -content_main_runner.cc:381 )	content::RunNamedProcessTypeMain(std::basic_string<char,std::char_traits<char>,std::allocator<char> > const &,content::MainFunctionParams const &,content::ContentMainDelegate *)
0x00007ff9fa02f8ab	(chrome_child.dll -content_main_runner.cc:742 )	content::ContentMainRunnerImpl::Run()
0x00007ff9fa02ce4b	(chrome_child.dll -content_main.cc:20 )	content::ContentMain(content::ContentMainParams const &)
0x00007ff9f9f9af45	(chrome_child.dll -chrome_main.cc:84 )	ChromeMain
0x00007ff75ac9c6b1	(chrome.exe -main_dll_loader_win.cc:183 )	MainDllLoader::Launch(HINSTANCE__ *)
0x00007ff75ac9b859	(chrome.exe -chrome_exe_main_win.cc:268 )	wWinMain
0x00007ff75acda649	(chrome.exe -exe_common.inl:255 )	__scrt_common_main_seh
0x00007ffa28758101	(KERNEL32.dll + 0x00018101 )	BaseThreadInitThunk
0x00007ffa2af0c5b3	(ntdll.dll + 0x0005c5b3 )	RtlUserThreadStart

This crash got regressed in 52.0.2708.0 with 2 instances from 2 different client IDs as of now.

Effecting all OS as below

1	Chrome	        72.79%	99	
2	Chrome_Android	24.26%	33	
3	Chrome_ChromeOS	0.74%	1	
4	Chrome_Linux	1.47%	2	
5	Chrome_Mac	0.74%	1	
Total:	                100.00%	136	

Link to the 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%27content%3A%3AWebURLLoaderImpl%3A%3AsetLoadingTaskRunner%27&ignore_case=false&enable_rewrite=true&omit_field_name=&omit_field_value=&omit_field_opt=%3D

CL : https://chromium.googlesource.com/chromium/src/+log/52.0.2707.0..52.0.2708.0?pretty=fuller&n=10000

Possible suspect : https://codereview.chromium.org/1829403002

Please reassign if this is not related to your change.