Bug 229999

Summary: position: absolute child of transformed containing block not clipped by overflow: auto
Product: WebKit Reporter: Martin Robinson <mrobinson>
Component: CSSAssignee: Nobody <webkit-unassigned>
Status: RESOLVED DUPLICATE    
Severity: Normal CC: fujii.hironori, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=241641
Attachments:
Description Flags
Test case
none
Image showing failure
none
PDF exported by Safari TP 133 none

Martin Robinson
Reported 2021-09-07 07:39:41 PDT
Created attachment 437499 [details] Test case In the attached test case, the position: absolute child is not clipped by its containing block (a transformed div with overflow: auto) and instead spills out of the bounds of this element.
Attachments
Test case (368 bytes, text/html)
2021-09-07 07:39 PDT, Martin Robinson 		no flags
Details
Image showing failure (36.40 KB, image/png)
2021-09-07 07:41 PDT, Martin Robinson 		no flags
Details
PDF exported by Safari TP 133 (3.83 KB, application/pdf)
2021-10-25 21:14 PDT, Fujii Hironori 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Martin Robinson
Comment 1 2021-09-07 07:41:10 PDT
Created attachment 437500 [details] Image showing failure
Radar WebKit Bug Importer
Comment 2 2021-09-14 07:40:42 PDT
<rdar://problem/83101942>
Martin Robinson
Comment 3 2021-10-25 07:06:26 PDT
I'm still able to reproduce this, but I'm currently only seeing it on WebKitGTK and not the Mac port.
Fujii Hironori
Comment 4 2021-10-25 18:42:00 PDT
WinCairo is also having this issue even with disabling Accelerated Compositing. Cairo clipping bug?
Fujii Hironori
Comment 5 2021-10-25 19:39:40 PDT
Mac MiniBrowser WK1 Window is also having this issue.
Fujii Hironori
Comment 6 2021-10-25 21:14:51 PDT
Created attachment 442461 [details] PDF exported by Safari TP 133 It can be observed by using "Export as PDF" of Safari.
Fujii Hironori
Comment 7 2022-07-12 13:03:04 PDT
*** This bug has been marked as a duplicate of bug 241641 ***
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