[Webkit-unassigned] [Bug 201016] New: Wasm::FunctionParser is failing to enforce maxFunctionLocals.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Aug 21 18:22:10 PDT 2019


https://bugs.webkit.org/show_bug.cgi?id=201016

            Bug ID: 201016
           Summary: Wasm::FunctionParser is failing to enforce
                    maxFunctionLocals.
           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: mark.lam at apple.com

Currently, Wasm::FunctionParser is allowing

    maxFunctionParams + maxFunctionLocals * maxFunctionLocals

... locals, which is 0x9502FCE8.  It should be enforcing max locals of maxFunctionLocals instead.

<rdar://problem/54579911>

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