[Webkit-unassigned] [Bug 169713] New: WebAssembly: Allocating a fast memory is a bit racy

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=169713

            Bug ID: 169713
           Summary: WebAssembly: Allocating a fast memory is a bit racy
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sbarati at apple.com
                CC: benjamin at webkit.org, fpizlo at apple.com,
                    ggaren at apple.com, gskachkov at gmail.com,
                    jfbastien at apple.com, keith_miller at apple.com,
                    mark.lam at apple.com, msaboff at apple.com,
                    ticaiolima at gmail.com, utatane.tea at gmail.com

e.g, checking the allocatedFastMemories integer can be racy. We probably need more fine grained locking around parts of that algorithm.

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