Tested the issue on windows 10 & Mac OS 10.12.6 using chrome M64 #64.0.3260.2 and observed no crash on opening the given urls in comment #0.

Attached screencast for reference.

@daveyy.king-- Could you please check in a fresh profile without any extensiona and flags enabled and update us with your observations. Also help us in proividng the complete crash id along with reporter id from chrome://crashes.

Thanks!

Deleted: 784187.mp4 526 KB

	784187.mp4 526 KB View Download

Ah, before I do that I noticed you navigated using a different tab. Try repeating the steps but do the navigation using the same tab?

Thank you for providing more feedback. Adding requester "hdodda@chromium.org" to the cc list and removing "Needs-Feedback" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Thanks for the update.

We tried navigating the urls from the same tab and still we are unable to reproduce the crash  in windows 10 & 7 using chrome dev M64 #64.0.3260.2.

Attached screencast for reference.

@daveyy.king-- Could you please check in a fresh profile without any extensiona and flags enabled and update us with your observations. Also help us in proividng the complete crash id along with reporter id from chrome://crashes.


Thanks!

Deleted: 784187 (1).mp4 1.2 MB

	784187 (1).mp4 1.2 MB View Download

So I can't reproduce it in a fresh profile or incognito mode but I disabled all extensions in my profile and it still occurs, maybe it's a flag causing the issue.

Crash Report ID 883f0b4c6c806296 (Local Crash ID: dea88072-60a2-4e17-8f35-d0f7fdac00a9)

Thank you for providing more feedback. Adding requester "hdodda@chromium.org" to the cc list and removing "Needs-Feedback" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Thanks for the update! Could you please enable all your flags in your profile and provide the chrome://version page which would help us to triage the issue further.

Stack trace for the provided crash id:
--------------------------------------
Thread 0 CrBrowserMain (id: 884) CRASHED [EXCEPTION_BREAKPOINT @ 0x00007ffc777a28c2 ] MAGIC SIGNATURE THREAD
Stack Quality100%Show frame trust levels
0x00007ffc777a28c2	(chrome.dll -web_ui_message_handler.cc:23 )	content::WebUIMessageHandler::AllowJavascript()
0x00007ffc788086f7	(chrome.dll -safe_browsing_ui.cc:378 )	safe_browsing::SafeBrowsingUIHandler::NotifyThreatDetailsJsListener(safe_browsing::ClientSafeBrowsingReportRequest *)
0x00007ffc78808692	(chrome.dll -safe_browsing_ui.cc:50 )	safe_browsing::WebUIInfoSingleton::AddToReportsSent(std::unique_ptr<safe_browsing::ClientSafeBrowsingReportRequest,std::default_delete<safe_browsing::ClientSafeBrowsingReportRequest> >)
0x00007ffc78be9626	(chrome.dll -bind_internal.h:311 )	base::internal::Invoker<base::internal::BindState<void (sync_file_system::drive_backend::SyncWorkerInterface::*)(std::unique_ptr<sync_file_system::drive_backend::SyncEngineContext,std::default_delete<sync_file_system::drive_backend::SyncEngineContext> >),base::internal::UnretainedWrapper<sync_file_system::drive_backend::SyncWorkerInterface>,base::internal::PassedWrapper<std::unique_ptr<sync_file_system::drive_backend::SyncEngineContext,std::default_delete<sync_file_system::drive_backend::SyncEngineContext> > > >,void ()>::RunOnce
0x00007ffc76d0d616	(chrome.dll -task_annotator.cc:55 )	base::debug::TaskAnnotator::RunTask(char const *,base::PendingTask *)
0x00007ffc76d0d10b	(chrome.dll -message_loop.cc:394 )	base::MessageLoop::RunTask(base::PendingTask *)
0x00007ffc76d0ce86	(chrome.dll -message_loop.cc:457 )	base::MessageLoop::DoWork()
0x00007ffc76dce77c	(chrome.dll -message_pump_win.cc:173 )	base::MessagePumpForUI::DoRunLoop()
0x00007ffc76d19bd4	(chrome.dll -message_pump_win.cc:56 )	base::MessagePumpWin::Run(base::MessagePump::Delegate *)
0x00007ffc76d0c9d3	(chrome.dll -run_loop.cc:114 )	base::RunLoop::Run()
0x00007ffc76ff01a3	(chrome.dll -chrome_browser_main.cc:1919 )	ChromeBrowserMainParts::MainMessageLoopRun(int *)
0x00007ffc76feff9a	(chrome.dll -browser_main_loop.cc:1201 )	content::BrowserMainLoop::RunMainMessageLoopParts()
0x00007ffc76feff48	(chrome.dll -browser_main_runner.cc:140 )	content::BrowserMainRunnerImpl::Run()
0x00007ffc76d06b42	(chrome.dll -browser_main.cc:46 )	content::BrowserMain(content::MainFunctionParams const &)
0x00007ffc76d06989	(chrome.dll -content_main_runner.cc:427 )	content::RunNamedProcessTypeMain(std::basic_string<char,std::char_traits<char>,std::allocator<char> > const &,content::MainFunctionParams const &,content::ContentMainDelegate *)
0x00007ffc76d04639	(chrome.dll -content_main_runner.cc:705 )	content::ContentMainRunnerImpl::Run()
0x00007ffc76cf4eaf	(chrome.dll -main.cc:456 )	service_manager::Main(service_manager::MainParams const &)
0x00007ffc76cf4a45	(chrome.dll -content_main.cc:19 )	content::ContentMain(content::ContentMainParams const &)
0x00007ffc76cf2320	(chrome.dll -chrome_main.cc:123 )	ChromeMain
0x00007ff60d9f34f9	(chrome.exe -main_dll_loader_win.cc:199 )	MainDllLoader::Launch(HINSTANCE__ *,base::TimeTicks)
0x00007ff60d9f169c	(chrome.exe -chrome_exe_main_win.cc:230 )	wWinMain
0x00007ff60dacb572	(chrome.exe -exe_common.inl:283 )	__scrt_common_main_seh
0x00007ffcaa901fe3	(KERNEL32.DLL + 0x00011fe3 )	BaseThreadInitThunk
0x00007ffcac98ef90	(ntdll.dll + 0x0006ef90 )	RtlUserThreadStart

Adding dev for further inputs.
@lukasza: This stack trace is similar to issue 780920. it is fixed in M63. Could you please look in to this issue.

Thank You!

The fix for issue 780920 has initially landed in 64.0.3264.0 (and was later merged into M63 - 63.0.3239.50).  Looking at crash data today, I don't see any crashes for WebUIMessageHandler::AllowJavascript after 64.0.3264.  I also see that this bug was opened against an earlier version that didn't yet include the fix (64.0.3260.2).  So - I think it is safe to resolve the current bug as a duplicate of issue 780920.

Please reopen the bug if you can repro the crash in 64.0.3264.0 or later version.