[Webkit-unassigned] [Bug 209847] New: [WinCairo][WK2] random crashes by heap corruption

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209847

            Bug ID: 209847
           Summary: [WinCairo][WK2] random crashes by heap corruption
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com

[WinCairo][WK2] random crashes by heap corruption

Pavel Feldman reported:

> Unrelatedly, I was trying to build clang/ASan, but failed. We are
> seeing intermittent heap corruption in Win port running under
> HyperV. Running it with app verifier /full mode hides that issue,
> i.e. corruption never occurs. I know that VC asan for 64 bit is
> in the works, but I wonder if anyone was building asan.
> It never happens in normal setup, no matter how much I stress the
> system, only fails in HyperV. So it might have to do with limited
> cores available...

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