[Webkit-unassigned] [Bug 149341] New: REGRESSION(r189884): It made Speedometer/Full.html performance test crash on Linux

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=149341

            Bug ID: 149341
           Summary: REGRESSION(r189884): It made Speedometer/Full.html
                    performance test crash on Linux
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Critical
          Priority: P1
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ossy at webkit.org
                CC: basile_clement at apple.com, cdumez at apple.com,
                    fpizlo at apple.com, msaboff at apple.com, ossy at webkit.org
            Blocks: 148661

+++ This bug was initially created as a clone of Bug #149162 +++

http://trac.webkit.org/changeset/189774 made Speedometer/Full.html
test crash on the performance bots:
- Apple Yosemite: https://build.webkit.org/builders/Apple%20Yosemite%20Release%20WK2%20%28Perf%29/builds/2904
- Apple Mavericks: https://build.webkit.org/builders/Apple%20Mavericks%20Release%20WK2%20%28Perf%29/builds/5762
- EFL: https://build.webkit.org/builders/EFL%20Linux%2064-bit%20Release%20WK2%20%28Perf%29/builds/6860
- GTK: https://build.webkit.org/builders/GTK%20Linux%2064-bit%20Release%20%28Perf%29/builds/4051

-----

It was relanded in http://trac.webkit.org/changeset/189884 , but unfortunately
Speedometer/Full.html is still crashing on Linux performance bots:
- https://build.webkit.org/builders/GTK%20Linux%2064-bit%20Release%20%28Perf%29/builds/4071
- https://build.webkit.org/builders/EFL%20Linux%2064-bit%20Release%20WK2%20%28Perf%29/builds/6877

crash log from the EFL bot:


Running Speedometer/Full.html (150 of 150)
error: Speedometer/Full.html
1   0x7f8ec5735488
2   0x7f8ec5913eb0
3   0x7f8ec53869ef JSC::SlotVisitor::drain()
4   0x7f8ec5371d8f JSC::Heap::markRoots(double, void*, void*, __jmp_buf_tag (&) [1])
5   0x7f8ec537c6b3 JSC::Heap::collectImpl(JSC::HeapOperation, void*, void*, __jmp_buf_tag (&) [1])
6   0x7f8ec537c948 JSC::Heap::collect(JSC::HeapOperation)
7   0x7f8ec5381e35 JSC::MarkedAllocator::allocateSlowCase(unsigned long)
8   0x7f8ec540cce0 JSC::Structure::prototypeChain(JSC::ExecState*) const
9   0x7f8ec540cee4 JSC::propertyNameEnumerator(JSC::ExecState*, JSC::JSObject*)
10  0x7f8e68081b4c

FAILED

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