Bug 230076

Summary: Regression (macOS Monterey) Websocket connection closing
Product: WebKit Reporter: isaac+webkit
Component: Page LoadingAssignee: Nobody <webkit-unassigned>
Status: RESOLVED DUPLICATE    
Severity: Normal CC: achristensen, ap, beidson, webkit-bug-importer, youennf
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Unspecified   
OS: Other   
Attachments:
Description Flags
Copy of the failing packet listing from the Safari Web Inspector (Monterey)
none
Copy of successful packet listing from BigSur none

isaac+webkit
Reported 2021-09-08 18:45:28 PDT
Created attachment 437696 [details] Copy of the failing packet listing from the Safari Web Inspector (Monterey) We are experiencing unexplained Websocket connection failures/closes when connecting to our servers on macOS Monterey. Specifically larger message payloads, after a series of smaller messages are able to reliably reproduce the issue. I've attached the larger messages which cause the issue. This is not an issue on macOS Big Sur and earlier.
Attachments
Copy of the failing packet listing from the Safari Web Inspector (Monterey) (96.49 KB, text/plain)
2021-09-08 18:45 PDT, isaac+webkit 		no flags
Details
Copy of successful packet listing from BigSur (109.93 KB, text/plain)
2021-09-08 18:46 PDT, isaac+webkit 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
isaac+webkit
Comment 1 2021-09-08 18:46:02 PDT
Created attachment 437697 [details] Copy of successful packet listing from BigSur
isaac+webkit
Comment 2 2021-09-08 18:49:34 PDT
If credentials etc, are needed to help diagnose this issue I can happily provide them via private mail.
Radar WebKit Bug Importer
Comment 3 2021-09-09 03:44:22 PDT
<rdar://problem/82917968>
Alex Christensen
Comment 4 2021-09-14 08:55:48 PDT
I reached out for those credentials.
Alex Christensen
Comment 5 2021-09-15 00:28:22 PDT
Thank you for writing this bug and giving me access to your test setup. It allowed me to isolate the cause of this bug and find a fix. I isolated it to some valid UTF-8 sequences being flagged as invalid, which causes kNWErrorDomainPOSIX error 100 *** This bug has been marked as a duplicate of bug 228296 ***
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