220658 2021-01-15 08:32:26 -0800 A DOMWindow should not be reused if its JSDOMWindow has been created 2021-01-20 03:32:27 -0800 1 1 1 Unclassified WebKit Page Loading WebKit Local Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 youennf youennf beidson cdumez esprehn+autocc ews-watchlist ggaren japhet kangil.han katherine_cheney webkit-bug-importer oldest_to_newest 1719883 0 youennf 2021-01-15 08:32:26 -0800 WindowProxy should be updated when the DOMWindow is transitioned from one document to another 1719884 1 youennf 2021-01-15 08:32:48 -0800 <rdar://problem/70335075> 1719923 2 417715 youennf 2021-01-15 10:46:31 -0800 Created attachment 417715 WIP 1719925 3 youennf 2021-01-15 10:50:25 -0800 One repro step for the problem: - Update MobileMiniBrowser to be limitsNavigationsToAppBoundDomains and add webkit.org to the allowed list - Add a navigation delegate to block about:blank and instead make it load another secure domain than webkit.org. - Load webkit.org and attach an inspector to it - Through inspector, trigger loading to about:blank - This should go to the other domain page. At that point, the JSDOMWindow will be created before having the document with the secure context. Window properties that are secure will not show up. I am not sure how to further reduce the test case. It seems this is triggered by limitsNavigationsToAppBoundDomains so I am unsure whether this is the exact right fix. 1720021 4 ggaren 2021-01-15 14:24:21 -0800 I'm not sure why limitsNavigationsToAppBoundDomains specifically triggers this; it seems like any app or extension use of JavaScript in the page could potentially trigger this. Code change seems OK to me; but EWS is angry. 1720275 5 youennf 2021-01-18 00:28:47 -0800 (In reply to Geoffrey Garen from comment #4) > I'm not sure why limitsNavigationsToAppBoundDomains specifically triggers > this; it seems like any app or extension use of JavaScript in the page could > potentially trigger this. Right, my testing was wrong without limitsNavigationsToAppBoundDomains. The bug can be done with early JS injection, prior to the document having its security origin and URL set. Web Inspector also triggers this. 1720276 6 youennf 2021-01-18 00:30:00 -0800 > Code change seems OK to me; but EWS is angry. We need to handle the window.open in same process case where the window document secure context is set by its opener, hence the wrapping is done correctly. 1720283 7 417810 youennf 2021-01-18 00:42:57 -0800 Created attachment 417810 Patch 1720284 8 youennf 2021-01-18 00:47:24 -0800 (In reply to youenn fablet from comment #7) > Created attachment 417810 [details] > Patch Patch covers the case of isSecureContext. Patch also covers most of the Quirked properties as well, but it is difficult to ensure this in the future as this might depend on how quirks will implement their checks. 1720301 9 417810 youennf 2021-01-18 02:12:08 -0800 Comment on attachment 417810 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=417810&action=review > Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewEvaluateJavaScript.mm:822 > + [webView stringByEvaluatingJavaScript:@""]; Maybe there is a known pattern, but it might be difficult for developers to know when they can evaluate JS in a page being loaded, before page JS starts executing but after the DOMWindow has its final document. Maybe we should consider delaying evaluation of this JS a bit so that the DOMWindow would have a correct SecurityOrigin. Also, the transition of the window to a new document is clearing location or navigator, which might have subtle and potentially racy effects. 1720580 10 417810 ggaren 2021-01-19 10:39:56 -0800 Comment on attachment 417810 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=417810&action=review r=me > Source/WebCore/page/DOMWindow.h:487 > + bool m_wasWrappedWithoutInitializedDocument { false }; I would call this wasWrappedWithoutInitializedSecurityOrigin, since it's the security origin that was not initialized. 1720831 11 417950 youennf 2021-01-20 01:06:24 -0800 Created attachment 417950 Patch for landing 1720848 12 ews-feeder 2021-01-20 02:41:35 -0800 Committed r271642: <https://trac.webkit.org/changeset/271642> All reviewed patches have been landed. Closing bug and clearing flags on attachment 417950. 417715 2021-01-15 10:46:31 -0800 2021-01-18 00:42:53 -0800 WIP bug-220658-20210115194629.patch text/plain 2415 youennf U3VidmVyc2lvbiBSZXZpc2lvbjogMjcxNDgwCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggODAyY2YzOWE5NWViMjlh ZDFjMTAzNDE2ZTE2ZTI1NGIyMzdkYWI4NC4uNWVkZWFhZjQ5ODNlZmVhNWVkMTYxZThkNzhjMGJk OTM1ZWM2YjlmOCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE0IEBACisyMDIxLTAxLTE1ICBZb3Vl bm4gRmFibGV0ICA8eW91ZW5uQGFwcGxlLmNvbT4KKworICAgICAgICBBIERPTVdpbmRvdyBzaG91 bGQgbm90IGJlIHJldXNlZCBpZiBpdHMgSlNET01XaW5kb3cgaGFzIGJlZW4gY3JlYXRlZAorICAg ICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjIwNjU4CisgICAg ICAgIDxyZGFyOi8vcHJvYmxlbS83MDMzNTA3NT4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JP RFkgKE9PUFMhKS4KKworICAgICAgICAqIGxvYWRlci9Eb2N1bWVudFdyaXRlci5jcHA6CisgICAg 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