229140 2021-08-16 07:56:54 -0700 Incorrect repaint when inline level box style change triggers line height change 2021-08-17 07:11:33 -0700 1 1 1 Unclassified WebKit Layout and Rendering WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ntim webkit-unassigned bfulgham changseok esprehn+autocc ews-watchlist glenn koivisto kondapallykalyan pdr simon.fraser webkit-bug-importer zalan oldest_to_newest 1784498 0 435602 ntim 2021-08-16 07:56:54 -0700 Created attachment 435602 Testcase hi is displayed twice with the testcase. 1784499 1 webkit-bug-importer 2021-08-16 07:58:37 -0700 <rdar://problem/81980863> 1784501 2 435603 zalan 2021-08-16 08:08:56 -0700 Created attachment 435603 Test reduction 1784502 3 435604 zalan 2021-08-16 08:11:10 -0700 Created attachment 435604 Test reduction 1784503 4 zalan 2021-08-16 08:13:03 -0700 This looks to be timing related too. If you can't repro, try locally (or change the timeout). 1784560 5 koivisto 2021-08-16 09:51:47 -0700 We fail to repaint the old content area when the block shrinks vertically as a result of a layout. Legacy handles this by invalidating deleted line boxes. In many real world cases the content below moves, triggering repaint and hiding the issue. 1784767 6 435671 koivisto 2021-08-17 01:29:00 -0700 Created attachment 435671 patch 1784800 7 ews-feeder 2021-08-17 07:11:30 -0700 Committed r281136 (240590@main): <https://commits.webkit.org/240590@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 435671. 435602 2021-08-16 07:56:54 -0700 2021-08-16 07:56:54 -0700 Testcase input-type-file-height-change.html text/html 353 ntim PGlucHV0IHR5cGU9ZmlsZT5oaQo8c3R5bGU+CiAgICBpbnB1dDo6ZmlsZS1zZWxlY3Rvci1idXR0 b24gewogICAgICAgIGRpc3BsYXk6IGNvbnRlbnRzOwogICAgfQo8L3N0eWxlPgo8c2NyaXB0Pgog ICAgcmVxdWVzdEFuaW1hdGlvbkZyYW1lKCgpID0+IHsKICAgICAgICBkb2N1bWVudC5xdWVyeVNl bGVjdG9yKCJpbnB1dCIpLnN0eWxlLmhlaWdodCA9ICIyMDBweCI7CiAgICAgICAgcmVxdWVzdEFu aW1hdGlvbkZyYW1lKCgpID0+IHsKICAgICAgICAgICAgZG9jdW1lbnQucXVlcnlTZWxlY3Rvcigi aW5wdXQiKS5zdHlsZS5yZW1vdmVQcm9wZXJ0eSgiaGVpZ2h0Iik7CiAgICAgICAgfSkKICAgIH0p Owo8L3NjcmlwdD4= 435603 2021-08-16 08:08:56 -0700 2021-08-16 08:11:10 -0700 Test reduction 229140-reduction.html text/html 191 zalan PHN0eWxlPgogIGlucHV0IHsKICAgIGhlaWdodDogNDAwcHg7CiAgfQo8L3N0eWxlPgo8aW5wdXQg aWQ9Y2hhbmdlVGhpcz5QQVNTIGlmIHlvdSBzZWUgdGhpcyB0ZXh0IG9ubHkgb25jZS4KPHNjcmlw dD4Kc2V0VGltZW91dChmdW5jdGlvbigpIHsKY2hhbmdlVGhpcy5zdHlsZS5oZWlnaHQgPSAiYXV0 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