[Webkit-unassigned] [Bug 217689] Crash when disconnecting gamepad in Safari 14.0.1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=217689

--- Comment #2 from Justin Uberti <juberti at google.com> ---
Repros on ToT with minibrowser:

ASSERTION FAILED: removedGamepad
./platform/gamepad/cocoa/GameControllerGamepadProvider.mm(145) : void WebCore::GameControllerGamepadProvider::controllerDidDisconnect(GCController *)
1   0x135539609 WTFCrash
2   0x11925ce1b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x11adcc54f WebCore::GameControllerGamepadProvider::controllerDidDisconnect(GCController*)
4   0x11adcd1f9 invocation function for block in WebCore::GameControllerGamepadProvider::startMonitoringGamepads(WebCore::GamepadProviderClient&)
5   0x7fff3bac3784 -[__NSObserver _doit:]
6   0x7fff3944a80f __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__
7   0x7fff3944a7a3 ___CFXRegistrationPost1_block_invoke
8   0x7fff3944a718 _CFXRegistrationPost1
9   0x7fff3944a384 ___CFXNotificationPost_block_invoke
10  0x7fff3941a4fd -[_CFXNotificationRegistrar find:object:observer:enumerator:]
11  0x7fff394199a9 _CFXNotificationPost
12  0x7fff3ba97786 -[NSNotificationCenter postNotificationName:object:userInfo:]
13  0x7fff3bf1b609 threadRunLoopSourceCallback
14  0x7fff732cc6c4 _dispatch_call_block_and_release
15  0x7fff732cd658 _dispatch_client_callout
16  0x7fff732d8cab _dispatch_main_queue_callback_4CF
17  0x7fff39493e81 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__
18  0x7fff39453c87 __CFRunLoopRun
19  0x7fff39452e3e CFRunLoopRunSpecific
20  0x7fff3807fabd RunCurrentEventLoopInMode
21  0x7fff3807f7d5 ReceiveNextEventCommon
22  0x7fff3807f579 _BlockUntilNextEventMatchingListInModeWithFilter
23  0x7fff366c5039 _DPSNextEvent
24  0x7fff366c3880 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
25  0x7fff366b558e -[NSApplication run]
26  0x7fff36687396 NSApplicationMain
27  0x1013116f9 main
28  0x7fff73326cc9 start

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