[Webkit-unassigned] [Bug 178755] New: Crash in: com.apple.JavaScriptCore bmalloc::StaticMutex::lockSlow() + 38 (StaticMutex.cpp:76)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=178755

            Bug ID: 178755
           Summary: Crash in: com.apple.JavaScriptCore
                    bmalloc::StaticMutex::lockSlow() + 38
                    (StaticMutex.cpp:76)
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jlewis3 at apple.com
                CC: sbarati at apple.com

Created attachment 324732

  --> https://bugs.webkit.org/attachment.cgi?id=324732&action=review

workers/wasm-hashset.html crashlog

This crash is most often seen with the test workers/wasm-hashset.html on High Sierra and Sierra Release testers.

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=workers%2Fwasm-hashset.html


recent build:
https://build.webkit.org/results/Apple%20High%20Sierra%20Release%20WK2%20(Tests)/r223914%20(669)/results.html
https://build.webkit.org/builders/Apple%20High%20Sierra%20Release%20WK2%20(Tests)/builds/669

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