[Webkit-unassigned] [Bug 211846] New: Null pointer access in DOMGuarded::guarded on 64b build
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed May 13 09:17:00 PDT 2020
https://bugs.webkit.org/show_bug.cgi?id=211846
Bug ID: 211846
Summary: Null pointer access in DOMGuarded::guarded on 64b
build
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Bindings
Assignee: webkit-unassigned at lists.webkit.org
Reporter: xc.o.c.1180 at gmail.com
CC: cdumez at apple.com
Created attachment 399271
--> https://bugs.webkit.org/attachment.cgi?id=399271&action=review
patch
Should check null before jsDynamicCast.
Also, guardedObject() should just return JSCell*, this saves a branch in jsDynamicCast.
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