Crash ID ab5ae13600000000 (de0f7b9c-1e70-4c31-8471-e674f843be85)

Please cc Jack on this ticket.  I didn't see a way to cc him on it: ctrobaugh@google.com

Adding ctrobaugh on the CC list

Stack Trace:
==============
Thread 41 CRASHED [EXCEPTION_ACCESS_VIOLATION_READ @ 0x0000020023b93ff4 ] MAGIC SIGNATURE THREAD
0x00007ffd7b0d3d66	(msvcrt.dll + 0x00073d66 )	memcpy
0x00007ffd6c346198	(Magnification.dll + 0x00006198 )	CMilMagnifier::FilterTextureD3D9(unsigned long,int *)
0x00007ffd6c344f03	(Magnification.dll + 0x00004f03 )	CMilMagnifier::UpdateContentSurfaces(unsigned short,unsigned short,unsigned __int64 *)
0x00007ffd6c344ad6	(Magnification.dll + 0x00004ad6 )	CMilMagnifier::ProcessGdiDesktopBits(unsigned long,tagPAINTSTRUCT *)
0x00007ffd6c343e1a	(Magnification.dll + 0x00003e1a )	CMilMagnifier::SetSource(tagRECT)
0x00007ffd6c342733	(Magnification.dll + 0x00002733 )	Magnifier_WndProc(HWND__ *,_WM_VALUE,unsigned __int64,__int64)
0x00007ffd78ee1168	(USER32.dll + 0x00011168 )	UserCallWinProcCheckWow
0x00007ffd78ee0ee1	(USER32.dll + 0x00010ee1 )	DispatchClientMessage
0x00007ffd78ef0bed	(USER32.dll + 0x00020bed )	_fnDWORD
0x00007ffd7b578ba3	(ntdll.dll + 0x000a8ba3 )	KiUserCallbackDispatch
0x00007ffd78f021f3	(USER32.dll + 0x000321f3 )	NtUserMessageCall
0x00007ffd78ee0803	(USER32.dll + 0x00010803 )	SendMessageWorker
0x00007ffd78ee065a	(USER32.dll + 0x0001065a )	SendMessageW
0x00007ffd6c341510	(Magnification.dll + 0x00001510 )	MagSetWindowSource
0x00007ffd4402b0d2	(chrome.dll -screen_capturer_win_magnifier.cc:225 )	webrtc::ScreenCapturerWinMagnifier::CaptureImage(webrtc::DesktopRect const &)
0x00007ffd4402acc5	(chrome.dll -screen_capturer_win_magnifier.cc:127 )	webrtc::ScreenCapturerWinMagnifier::Capture(webrtc::DesktopRegion const &)
0x00007ffd43f2bc5f	(chrome.dll -desktop_capture_device.cc:351 )	content::DesktopCaptureDevice::Core::DoCapture()
0x00007ffd43f2b98e	(chrome.dll -desktop_capture_device.cc:332 )	content::DesktopCaptureDevice::Core::CaptureFrameAndScheduleNext()
0x00007ffd43f2b845	(chrome.dll -desktop_capture_device.cc:180 )	content::DesktopCaptureDevice::Core::AllocateAndStart(media::VideoCaptureParams const &,std::unique_ptr<media::VideoCaptureDevice::Client,std::default_delete<media::VideoCaptureDevice::Client> >)
0x00007ffd43f2c2ad	(chrome.dll -bind_internal.h:362 )	base::internal::Invoker<base::IndexSequence<0,1,2>,base::internal::BindState<base::internal::RunnableAdapter<void ( content::DesktopCaptureDevice::Core::*)(media::VideoCaptureParams const &,std::unique_ptr<media::VideoCaptureDevice::Client,std::default_delete<media::VideoCaptureDevice::Client> >)>,void ,base::internal::UnretainedWrapper<content::DesktopCaptureDevice::Core>,media::VideoCaptureParams const &,base::internal::PassedWrapper<std::unique_ptr<media::VideoCaptureDevice::Client,std::default_delete<media::VideoCaptureDevice::Client> > > >,base::internal::InvokeHelper<0,void,base::internal::RunnableAdapter<void ( content::DesktopCaptureDevice::Core::*)(media::VideoCaptureParams const &,std::unique_ptr<media::VideoCaptureDevice::Client,std::default_delete<media::VideoCaptureDevice::Client> >)> >,void >::Run(base::internal::BindStateBase *)
0x00007ffd42a61c14	(chrome.dll -task_annotator.cc:51 )	base::debug::TaskAnnotator::RunTask(char const *,base::PendingTask const &)
0x00007ffd429f85f8	(chrome.dll -message_loop.cc:479 )	base::MessageLoop::RunTask(base::PendingTask const &)
0x00007ffd429f9281	(chrome.dll -message_loop.cc:600 )	base::MessageLoop::DoWork()
0x00007ffd42a621f9	(chrome.dll -message_pump_win.cc:167 )	base::MessagePumpForUI::DoRunLoop()
0x00007ffd42a61eb1	(chrome.dll -message_pump_win.cc:50 )	base::MessagePumpWin::Run(base::MessagePump::Delegate *)
0x00007ffd42a413d2	(chrome.dll -run_loop.cc:35 )	base::RunLoop::Run()
0x00007ffd42a1d7d4	(chrome.dll -thread.cc:254 )	base::Thread::ThreadMain()
0x00007ffd42a340bf	(chrome.dll -platform_thread_win.cc:84 )	base::`anonymous namespace'::ThreadFunc
0x00007ffd7b158101	(KERNEL32.DLL + 0x00018101 )	BaseThreadInitThunk
0x00007ffd7b52c5b3	(ntdll.dll + 0x0005c5b3 )	RtlUserThreadStart

1) Unable to reproduce the issue on Win 7 and Win 10 using latest stable 51.0.2704.106.
2) This crash seems to be induced due to a third party Magnification.dll file.
3) This is first seen on 41.0.2272.89 and seen continuously from 47.0.2526.73 to M 54.
4) Link to list of builds where crashes are seen:
https://crash.corp.google.com/browse?q=product.name%3D%27Chrome%27%20AND%20custom_data.ChromeCrashProto.ptype%3D%27browser%27%20AND%20custom_data.ChromeCrashProto.magic_signature_1.name%3D%27%5BThird%20party%20-%20magnification.dll%5D%20CMilMagnifier%3A%3AFilterTextureD3D9%27&ignore_case=false&enable_rewrite=true&omit_field_name=&omit_field_value=&omit_field_opt=%3D#samplereports:5,productversion:1000
5) Try running Chrome Cleanup tool for windows from below which ight be helping resolving the issue.
https://www.google.com/chrome/cleanup-tool/

Please advise what to do here when I am trying to run Chrome Cleanup (see
attached).  My credentials were denied.  Thanks!

viviantsai is still not able to use go/present after using the Chrome Cleanup Tool.  The browser still crashes when she uses it.  Please advise.

Issue 632308 has been merged into this issue.

Issue 641055 has been merged into this issue.

Any update on this.  I see this bug was marked as a duplicate, can we follow the other bug?

This is still an ongoing issue for many.

Hi,
I can present, but not entire screen. Please let me know if I need to stop
by Techstop again. Thank you.