[Webkit-unassigned] [Bug 244806] New: The content of the iframe is replaced with a document of a different origin. origin violation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=244806

            Bug ID: 244806
           Summary: The content of the iframe is replaced with a document
                    of a different origin. origin violation
           Product: WebKit
           Version: Safari 15
          Hardware: Mac (Intel)
                OS: macOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yohabe at yahoo-corp.jp

Created attachment 462144

  --> https://bugs.webkit.org/attachment.cgi?id=462144&action=review

step6

Reproduced in these versions:
* Safari 15.6 macOS(12.3)
* Safari 16.0 (17614.1.25.9.6, 17614) macOS(12.5.1)
* Safari Technology Preview Release 152 (Safari 16.0, WebKit 17615.1.2.3) macOS(12.3)


STEP TO REPRODUCE:
1) open https://chip-hospitable-gate.glitch.me
2) reload it until '1' is displayed at the top-left corner. This page has 0x0 iframe(src=example.com)
3) click the link to example.com
4) history back 
5) check the number at the top-left corner. If it is '1', reproduce steps are failed. Do it again from 1)
6) If it is '2', reproduce steps are successful. 
The iframe's srcdoc is completely ignored.(see attached screenshot)
The content of iframe is example.com( it seems that step2's iframe is reused).

TEST CONTENTS:
https://chip-hospitable-gate.glitch.me
sourcecode https://github.com/yohabe/glitch_safari

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