Bug 198943 - m_disconnectedFrame can be null in DOMWindowExtension::willDestroyGlobalObjectInCachedFrame()
Summary: m_disconnectedFrame can be null in DOMWindowExtension::willDestroyGlobalObjec...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: WebCore Misc. (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Ryosuke Niwa
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2019-06-17 17:09 PDT by Ryosuke Niwa
Modified: 2019-06-17 18:41 PDT (History)
3 users (show)

See Also:

Attachments
Adds a null check (2.17 KB, patch)
2019-06-17 17:15 PDT, Ryosuke Niwa 		beidson: review+
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Description Ryosuke Niwa 2019-06-17 17:09:44 PDT 
m_disconnectedFrame should never be null inside DOMWindowExtension::willDestroyGlobalObjectInCachedFrame().
This is happening in wild :(

<rdar://problem/49613448>
Comment 1 Ryosuke Niwa 2019-06-17 17:15:38 PDT 
Created attachment 372297 [details]
Adds a null check
Comment 2 Ryosuke Niwa 2019-06-17 18:41:03 PDT 
Committed r246529: <https://trac.webkit.org/changeset/246529>