Bug 198943

Summary: m_disconnectedFrame can be null in DOMWindowExtension::willDestroyGlobalObjectInCachedFrame()
Product: WebKit Reporter: Ryosuke Niwa <rniwa>
Component: WebCore Misc.Assignee: Ryosuke Niwa <rniwa>
Status: RESOLVED FIXED    
Severity: Normal CC: beidson, cdumez, ggaren
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Adds a null check beidson: review+

Ryosuke Niwa
Reported 2019-06-17 17:09:44 PDT
m_disconnectedFrame should never be null inside DOMWindowExtension::willDestroyGlobalObjectInCachedFrame(). This is happening in wild :( <rdar://problem/49613448>
Attachments
Adds a null check (2.17 KB, patch)
2019-06-17 17:15 PDT, Ryosuke Niwa 		beidson: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Ryosuke Niwa
Comment 1 2019-06-17 17:15:38 PDT
Created attachment 372297 [details] Adds a null check
Ryosuke Niwa
Comment 2 2019-06-17 18:41:03 PDT
Committed r246529: <https://trac.webkit.org/changeset/246529>
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