Chrome OS 11151.24.0, 71.0.3578.45 Noctrune


Please specify Cr-* of the system to which this bug/feature applies (add
the label below).

Steps To Reproduce:
(1)Open Camera 
(2)Drag to split screen
(3)and click on close button 

Expected Result:

Actual Result:
Browser crash 
https://crash.corp.google.com/browse?stbtiq=ac072f509898bb64


How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?)

What is the impact to the user, and is there a workaround? If so, what is
it?

Please provide any additional information below. Attach a screen shot or
log if possible.

For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.

Thread 0 (id: 0x3632) CRASHED [SIGSEGV /SEGV_ACCERR @ 0x00000783d232c000 ] MAGIC SIGNATURE THREAD
Stack Quality100%Show frame trust levels
0x00007d129a2d26c7	(libc-2.23.so + 0x001366c7 )	__memmove_avx_unaligned
0x00005c9a4e4c059b	(chrome -./../../../../../../../build/nocturne/usr/include/bits/string3.h:73 )	AppWindowLauncherItemController::RemoveWindow(ui::BaseWindow*)
0x00005c9a4e41a8d3	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/chrome/browser/ui/ash/launcher/internal_app_window_shelf_controller.cc:192 )	InternalAppWindowShelfController::OnWindowDestroying(aura::Window*)
0x00005c9a4cdcabe5	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/ui/aura/window.cc:105 )	aura::Window::~Window()
0x00005c9a4cdcbadd	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/ui/aura/window.cc:94 )	aura::Window::~Window()
0x00005c9a4d27ee5d	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/ui/views/widget/widget.cc:605 )	views::Widget::CloseNow()
0x00005c9a4a187047	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/components/exo/shell_surface_base.cc:369 )	exo::ShellSurfaceBase::~ShellSurfaceBase()
0x00005c9a4a16a4ed	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/components/exo/client_controlled_shell_surface.cc:308 )	<name omitted>
0x00005c9a4dfb8d02	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/third_party/wayland/src/src/wayland-server.c:677 )	destroy_resource
0x00005c9a4a19d0ab	(chrome + 0x01c150ab )	exo::wayland::(anonymous namespace)::alpha_compositing_destroy(wl_client*, wl_resource*)
0x00007d129b097cc3	(libffi.so.6.0.2 + 0x00005cc3 )	ffi_call_unix64
0x00007d129b0973ca	(libffi.so.6.0.2 -ffi64.c:525 )	ffi_call
0x00005c9a4dfbb69d	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/third_party/wayland/src/src/connection.c:935 )	wl_closure_invoke
0x00005c9a4dfb89ce	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/third_party/wayland/src/src/wayland-server.c:408 )	wl_client_connection_data
0x00005c9a4dfb7ee1	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/third_party/wayland/src/src/event-loop.c:423 )	wl_event_loop_dispatch
0x00005c9a4a1671ba	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/components/exo/wayland/server.cc:5945 )	ash::WaylandServerController::WaylandWatcher::OnFileCanReadWithoutBlocking(int)
0x00005c9a4b831220	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/base/message_loop/message_pump_libevent.cc:90 )	base::MessagePumpLibevent::OnLibeventNotification(int, short, void*)
0x00005c9a48808c40	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/base/third_party/libevent/event.c:381 )	event_base_loop
0x00005c9a48806a05	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/base/message_loop/message_pump_libevent.cc:247 )	base::MessagePumpLibevent::Run(base::MessagePump::Delegate*)
0x00005c9a4b7cc123	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/base/run_loop.cc:102 )	<name omitted>
0x00005c9a4b35d01f	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/chrome/browser/chrome_browser_main.cc:2028 )	ChromeBrowserMainParts::MainMessageLoopRun(int*)
0x00005c9a497a22eb	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/content/browser/browser_main_loop.cc:998 )	content::BrowserMainLoop::RunMainMessageLoopParts()
0x00005c9a497a60c1	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/content/browser/browser_main_runner_impl.cc:165 )	content::BrowserMainRunnerImpl::Run()
0x00005c9a4979b131	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/content/browser/browser_main.cc:47 )	content::BrowserMain(content::MainFunctionParams const&)
0x00005c9a4b3491c7	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/content/app/content_main_runner_impl.cc:541 )	content::ContentMainRunnerImpl::Run(bool)
0x00005c9a4b350f6d	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/services/service_manager/embedder/main.cc:472 )	service_manager::Main(service_manager::MainParams const&)
0x00005c9a4892bcd4	(chrome -./../../../../../../../home/chrome-bot/chrome_root/src/content/app/content_main.cc:19 )	ChromeMain
0x00007d129a1bc735	(libc-2.23.so -libc-start.c:289 )	__libc_start_main
0x00005c9a4890db98	(chrome + 0x00385b98 )