Bug 251876

Summary: [ iOS ] Flaky ASSERTION FAILED: !frameView || !frameView->needsLayout() on editing/selection/selection-scrolling-in-multiple-nested-subframes.html under doAfterUpdateRendering
Product: WebKit Reporter: Bri Harris <bharris9>
Component: Layout and RenderingAssignee: Bri Harris <bharris9>
Status: NEW    
Severity: Normal CC: ap, bfulgham, simon.fraser, webkit-bot-watchers-bugzilla, webkit-bug-importer, wenson_hsieh, zalan
Priority: P2 Keywords: InRadar
Version: Other   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Crash Log none

Bri Harris
Reported 2023-02-07 12:25:17 PST
Created attachment 464891 [details] Crash Log editing/selection/selection-scrolling-in-multiple-nested-subframes.html is a flaky crash on iOS 16 Debug only. HISTORY: https://results.webkit.org/?suite=layout-tests&test=editing%2Fselection%2Fselection-scrolling-in-multiple-nested-subframes.html I was able to replicate to the failure as follows: run-webkit-tests --ios-simulator editing/selection/selection-scrolling-in-multiple-nested-subframes.html --iteration 10 I was able to produce 7 failures with the iterations. Crash Log is attached.
Attachments
Crash Log (17.62 KB, text/plain)
2023-02-07 12:25 PST, Bri Harris 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2023-02-07 12:25:41 PST
<rdar://problem/105140067>
Bri Harris
Comment 2 2023-02-07 12:41:04 PST
Pull request: https://github.com/WebKit/WebKit/pull/9776
EWS
Comment 3 2023-02-07 12:44:32 PST
Test gardening commit 259973@main (04a300f2b3eb): <https://commits.webkit.org/259973@main> Reviewed commits have been landed. Closing PR #9776 and removing active labels.
Alexey Proskuryakov
Comment 4 2023-02-07 14:19:06 PST
0 com.apple.JavaScriptCore 0x1aa42741e WTFCrash 1 com.apple.WebCore 0x1d8cb951a WTFCrashWithInfo(int, char const*, char const*, int) 2 com.apple.WebCore 0x1dd955b82 WebCore::Page::doAfterUpdateRendering() 3 com.apple.WebCore 0x1dd955372 WebCore::Page::updateRendering() 4 com.apple.WebKit 0x18d337840 WebKit::WebPage::updateRendering() 5 com.apple.WebKit 0x18b1dd4a2 WebKit::RemoteLayerTreeDrawingArea::updateRendering()
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