[Webkit-unassigned] [Bug 160534] New: Leaks bot hits an assertion in ResourceUsageThread::platformThreadBody

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160534

            Bug ID: 160534
           Summary: Leaks bot hits an assertion in
                    ResourceUsageThread::platformThreadBody
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ap at webkit.org
                CC: bburg at apple.com, joepeck at webkit.org,
                    mattbaker at apple.com, nvasilyev at apple.com,
                    ryanhaddad at apple.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com

The test asserts almost every time.

https://build.webkit.org/results/Apple%20Yosemite%20(Leaks)/r204078%20(7088)/inspector/memory/tracking-crash-log.txt

Thread 27 Crashed:: WebCore: ResourceUsage
0   com.apple.JavaScriptCore          0x000000010a50ae97 WTFCrash + 39
1   com.apple.WebCore                 0x00000001113ed565 WebCore::ResourceUsageThread::platformThreadBody(JSC::VM*, WebCore::ResourceUsageData&) + 1221
2   com.apple.WebCore                 0x00000001113e7695 WebCore::ResourceUsageThread::threadBody() + 101
3   com.apple.WebCore                 0x00000001113e7625 WebCore::ResourceUsageThread::threadCallback(void*) + 21
4   com.apple.JavaScriptCore          0x000000010a57dc49 WTF::createThread(void (*)(void*), void*, char const*)::$_0::operator()() const + 25
5   com.apple.JavaScriptCore          0x000000010a57dc1d void std::__1::__invoke_void_return_wrapper<void>::__call<WTF::createThread(void (*)(void*), void*, char const*)::$_0&>(WTF::createThread(void (*)(void*), void*, char const*)::$_0&&&) + 45

This has been going for a while (at least since July 15, which is the oldest stored history).

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