[Webkit-unassigned] [Bug 207940] New: [mac debug wk1] Regression: http/tests/websocket/tests/hybi/workers/worker-reload.html is a flaky crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=207940

            Bug ID: 207940
           Summary: [mac debug wk1] Regression:
                    http/tests/websocket/tests/hybi/workers/worker-reload.
                    html is a flaky crash
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aakash_jain at apple.com

http/tests/websocket/tests/hybi/workers/worker-reload.html is a flaky crash on mac debug wk1. It seems to have regressed recently.


Results database: https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fwebsocket%2Ftests%2Fhybi%2Fworkers%2Fworker-reload.html&flavor=wk1&style=debug

Sample builds: 
https://ews-build.webkit.org/#/builders/32/builds/3262
https://ews-build.webkit.org/#/builders/32/builds/3257

Sample results:
https://ews-build.webkit.org/results/macOS-Mojave-Debug-WK1-Tests-EWS/r391157-3262/results.html
https://ews-build.webkit.org/results/macOS-Mojave-Debug-WK1-Tests-EWS/r391152-3257/results.html

Crash log:
https://ews-build.webkit.org/results/macOS-Mojave-Debug-WK1-Tests-EWS/r391157-3262/http/tests/websocket/tests/hybi/workers/worker-reload-crash-log.txt
https://ews-build.webkit.org/results/macOS-Mojave-Debug-WK1-Tests-EWS/r391152-3257/http/tests/websocket/tests/hybi/workers/worker-reload-crash-log.txt


ASSERTION FAILED: The string being removed is an atom in the string table of an other thread!
iterator != atomStringTable.end()


CRASHING TEST: http://127.0.0.1:8000/websocket/tests/hybi/workers/worker-reload.html

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore            0x0000000102f4d920 WTFCrash + 16 (Assertions.cpp:305)
1   com.apple.JavaScriptCore            0x0000000102f55fc4 WTF::AtomStringImpl::remove(WTF::AtomStringImpl*) + 308 (AtomStringImpl.cpp:496)
2   com.apple.JavaScriptCore            0x0000000103003528 WTF::StringImpl::~StringImpl() + 280 (StringImpl.cpp:121)
3   com.apple.JavaScriptCore            0x00000001030038d5 WTF::StringImpl::~StringImpl() + 21 (StringImpl.cpp:148)

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