Bug 262981 – Regression(267014@main) Flaky crash under WebKit::GPUConnectionToWebProcess::didReceiveMessage()

• Status: RESOLVED
• Resolution: FIXED
• Component: WebKit2

[Chris Dumez]

Flaky crash under WebKit::GPUConnectionToWebProcess::didReceiveMessage():
```
Thread 0 Crashed::   Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore      	       0x107329e3e    WTFCrash
1   com.apple.WebKit              	       0x130280a0e    WebKit::GPUConnectionToWebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
2   com.apple.WebKit              	       0x1323070b8    IPC::Connection::dispatchMessage(IPC::Decoder&)
3   com.apple.WebKit              	       0x132307484    IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>)
4   com.apple.WebKit              	       0x132307764    IPC::Connection::dispatchOneIncomingMessage()
5   com.apple.WebKit              	       0x132321edc    IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>)::$_17::operator()() const
6   com.apple.WebKit              	       0x132321e48    WTF::Detail::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>)::$_17, void>::call()
7   com.apple.JavaScriptCore      	       0x10913e362    WTF::Function<void ()>::operator()() const
```

Example of message that frequently fails: GPUConnectionToWebProcess_CreateRemoteGPU.

[Chris Dumez]

<rdar://114245301>

[Chris Dumez]

Pull request: https://github.com/WebKit/WebKit/pull/18918

[EWS]

Committed 269209@main (e4fcb9c6b04b): <https://commits.webkit.org/269209@main>

Reviewed commits have been landed. Closing PR #18918 and removing active labels.

[Kimmo Kinnunen]

*** Bug 262401 has been marked as a duplicate of this bug. ***