[Webkit-unassigned] [Bug 38506] New: [Regression] Repaint issue with textarea inside overflow:scroll div

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=38506

           Summary: [Regression] Repaint issue with textarea inside
                    overflow:scroll div
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: s3lance at hotmail.com


Created an attachment (id=54993)
 --> (https://bugs.webkit.org/attachment.cgi?id=54993)
Test case

Refer to the attached HTML.

There is a textarea inside 2 nested divs, both being position:absolute. Typing
text into the textarea results in corrupted text when and only when either
scrollLeft or scrollTop of the outer div are > 10.

See the attached screen cap for the corrupted text.

* STEPS TO REPRODUCE
1. Load the html in Safari 4+ or Webkit
2. Type some text into text area

* RESULTS
Text corrupted.

* REGRESSION
Since r41792
http://trac.webkit.org/changeset/41792

* NOTES
If both scrollLeft and scrollTop are < 10, the text is only slightly corrupted.
Already typed texts will be recovered when being repainted, after further
scrolling or switching to another window.

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