197012 2019-04-17 08:13:05 -0700 REGRESSION (r243926): [iOS] Release assertion when computing editor state during an overflow scroll triggered by layout 2019-04-17 11:04:36 -0700 1 1 1 Unclassified WebKit HTML Editing WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=197018 InRadar P2 Normal --- 1 wenson_hsieh wenson_hsieh bdakin commit-queue simon.fraser thorton webkit-bug-importer wenson_hsieh oldest_to_newest 1528090 0 wenson_hsieh 2019-04-17 08:13:05 -0700 <rdar://problem/49908848> 1528121 1 367635 wenson_hsieh 2019-04-17 09:45:34 -0700 Created attachment 367635 Fixes the bug 1528130 2 367635 simon.fraser 2019-04-17 10:01:34 -0700 Comment on attachment 367635 Fixes the bug View in context: https://bugs.webkit.org/attachment.cgi?id=367635&action=review > Source/WebKit/WebProcess/WebPage/WebPage.cpp:5295 > void WebPage::didChangeSelection() > +{ > + didChangeSelectionOrOverflowScrollPosition(EditorStateUpdateScheduling::Immediate); > +} Don't we run the risk that callers of this will trigger the same release assert? 1528131 3 wenson_hsieh 2019-04-17 10:03:53 -0700 (In reply to Simon Fraser (smfr) from comment #2) > Comment on attachment 367635 [details] > Fixes the bug > > View in context: > https://bugs.webkit.org/attachment.cgi?id=367635&action=review > > > Source/WebKit/WebProcess/WebPage/WebPage.cpp:5295 > > void WebPage::didChangeSelection() > > +{ > > + didChangeSelectionOrOverflowScrollPosition(EditorStateUpdateScheduling::Immediate); > > +} > > Don't we run the risk that callers of this will trigger the same release > assert? Yes, we do; I'm hoping to remove EditorStateUpdateScheduling::Immediate altogether and always only schedule editor state updates in the (very near) future. This would also schedule rendering updates instead of scheduling compositing flushes, as it does now. 1528169 4 367635 commit-queue 2019-04-17 11:04:35 -0700 Comment on attachment 367635 Fixes the bug Clearing flags on attachment: 367635 Committed r244388: <https://trac.webkit.org/changeset/244388> 1528170 5 commit-queue 2019-04-17 11:04:36 -0700 All reviewed patches have been landed. Closing bug. 367635 2019-04-17 09:45:34 -0700 2019-04-17 11:04:35 -0700 Fixes the bug bug-197012-20190417094533.patch text/plain 8655 wenson_hsieh U3VidmVyc2lvbiBSZXZpc2lvbjogMjQ0MzcwCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDVkOWUwNDcyYzZiMDU0NmIy M2M5N2JlZWZkZTQ3OWU3MjI0ZGIxZGEuLmM3YWE4YmM0OGYzZDU2M2EyNDQyOWY2ZTA4MjkzNmRm YmU4MWM1YjYgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMzYgQEAKKzIwMTktMDQtMTcgIFdlbnNvbiBI c2llaCAgPHdlbnNvbl9oc2llaEBhcHBsZS5jb20+CisKKyAgICAgICAgUkVHUkVTU0lPTiAocjI0 MzkyNik6IFtpT1NdIFJlbGVhc2UgYXNzZXJ0aW9uIHdoZW4gY29tcHV0aW5nIGVkaXRvciBzdGF0 ZSBkdXJpbmcgYW4gb3ZlcmZsb3cgc2Nyb2xsIHRyaWdnZXJlZCBieSBsYXlvdXQKKyAgICAgICAg aHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE5NzAxMgorICAgICAgICA8 cmRhcjovL3Byb2JsZW0vNDk5MDg4NDg+CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChP T1BTISkuCisKKyAgICAgICAgV2UgaGl0IHRoZSByZWxlYXNlIGFzc2VydGlvbiBkdWUgdG8gdGhl 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