[Webkit-unassigned] [Bug 179037] New: Crash in: com.apple.WebKit: WebKit::CacheStorage::Caches::initializeSize(WTF::Function<void (std::optional<WebCore::DOMCacheEngine::Error>&&)>&&) + 30 (CacheStorageEngineCaches.cpp:163)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179037

            Bug ID: 179037
           Summary: Crash in:  com.apple.WebKit:
                    WebKit::CacheStorage::Caches::initializeSize(WTF::Func
                    tion<void
                    (std::optional<WebCore::DOMCacheEngine::Error>&&)>&&)
                    + 30 (CacheStorageEngineCaches.cpp:163)
           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: cdumez at apple.com, youennf at gmail.com

There was a flaky crash introduced after revision r224132 https://trac.webkit.org/changeset/224132/webkit

The first test the flaky crash showed up on was:

imported/w3c/web-platform-tests/service-workers/service-worker/fetch-event-within-sw.https.html

first build:
https://build.webkit.org/results/Apple%20El%20Capitan%20Release%20WK2%20(Tests)/r224136%20(5579)/results.html
https://build.webkit.org/builders/Apple%20El%20Capitan%20Release%20WK2%20(Tests)/builds/5579

The test also is a flaky failure on all platforms.

Attached is the crash log.

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