[webkit-changes] [WebKit/WebKit] 9ff874: Cherry-pick 320678@main (78b8d6207c61). https://bu...

[Justin Michaud]

  Branch: refs/heads/webkitglib/2.52
  Home:   https://github.com/WebKit/WebKit
  Commit: 9ff8747cd0ae6c77ec85b70cde2d1b8a417b5105
      
https://github.com/WebKit/WebKit/commit/9ff8747cd0ae6c77ec85b70cde2d1b8a417b5105
  Author: Justin Michaud <jmich...@igalia.com>
  Date:   2026-09-09 (Wed, 09 Sep 2026)

  Changed paths:
    A 
LayoutTests/fast/writing-mode/resources/DroidSansFallback-truncated-featurelist.ttf
    A 
LayoutTests/fast/writing-mode/vertical-font-truncated-featurelist-expected.txt
    A LayoutTests/fast/writing-mode/vertical-font-truncated-featurelist.html
    M Source/WebCore/platform/graphics/opentype/OpenTypeVerticalData.cpp

  Log Message:
  -----------
  Cherry-pick 320678@main (78b8d6207c61). 
https://bugs.webkit.org/show_bug.cgi?id=321755

    [non-cocoa][fuzz] Integer underflow OpenType findFeature
    https://bugs.webkit.org/show_bug.cgi?id=321755

    Reviewed by Claudio Saavedra.

    Include some extra tests for a fix landed upstream. Fix an underflow
    while we are at it.

    Canonical link: https://commits.webkit.org/320678@main

Canonical link: https://commits.webkit.org/305877.1175@webkitglib/2.52



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