[Webkit-unassigned] [Bug 288694] New: REGRESSION(290632 at main): [ iOS wk2 Debug arm64 ] fast/multicol/body-stuck-with-dirty-bit-with-columns.html is a constant crash.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=288694

            Bug ID: 288694
           Summary: REGRESSION(290632 at main): [ iOS wk2 Debug arm64 ]
                    fast/multicol/body-stuck-with-dirty-bit-with-columns.h
                    tml is a constant crash.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: y_karimi at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com, zalan at apple.com

Created attachment 474367

  --> https://bugs.webkit.org/attachment.cgi?id=474367&action=review

fast/multicol/body-stuck-with-dirty-bit-with-columns.html

fast/multicol/body-stuck-with-dirty-bit-with-columns.html 

This test is constantly crashing on iOS wk2 Debug arm64.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fmulticol%2Fbody-stuck-with-dirty-bit-with-columns.html

STDERR:

Attached

REPRODUCIBILITY:

I was able to reproduce this issue on the iOS 18.2 simulator at ToT using the following command:

run-webkit-tests --ios-simulator --child-processes 2 -f --debug fast/multicol/body-stuck-with-dirty-bit-with-columns.html --iterations 200

REGRESSION:

I was able to bisect a regression point: this test reproduced at 290632 at main, but it did not reproduce at 290631 at main or prior to this point. Thus, 290632 at main is possibly what caused the crashes.

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