[Webkit-unassigned] [Bug 181221] New: Ensure that poisoned pointers do not look like double or int32 JSValues.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Jan 2 14:49:52 PST 2018
https://bugs.webkit.org/show_bug.cgi?id=181221
Bug ID: 181221
Summary: Ensure that poisoned pointers do not look like double
or int32 JSValues.
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
This means that the top 16 bits of any poisoned bits should be 0.
<rdar://problem/36248638>
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