Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 1af4da6b6ac226b8f57b64d9288cea145b2dcd94
      
https://github.com/WebKit/WebKit/commit/1af4da6b6ac226b8f57b64d9288cea145b2dcd94
  Author: Nikolas Zimmermann <[email protected]>
  Date:   2026-03-29 (Sun, 29 Mar 2026)

  Changed paths:
    M Source/WebCore/animation/StyleOriginatedAnimation.h
    M Source/WebCore/animation/WebAnimation.h

  Log Message:
  -----------
  Fix uninitialized member variables in WebAnimation and 
StyleOriginatedAnimation
https://bugs.webkit.org/show_bug.cgi?id=311001

Reviewed by Antoine Quint.

Add default initializers to 4 member variables that were missing them,
while all surrounding members had proper initializers.

Valgrind trace:

==1173712== Conditional jump or move depends on uninitialised value(s)
==1173712==    at 0x8652740: 
WebCore::WebAnimation::updateFinishedState(WebCore::WebAnimation::DidSeek, 
WebCore::WebAnimation::SynchronouslyNotify)
==1173712==    by 0x8652FA0: WebCore::WebAnimation::runPendingPlayTask()
==1173712==    by 0x86539A6: WebCore::WebAnimation::maybeMarkAsReady()
==1173712==    by 0x8641449: WebCore::WebAnimation::tick()
==1173712==    by 0x86413BA: WebCore::StyleOriginatedAnimation::tick()
==1173712==    by 0x860BA17: 
WebCore::AnimationTimelinesController::updateAnimationsAndSendEvents(WTF::Seconds)
==1173712==    by 0x8AC1CBA: WebCore::Document::updateAnimationsAndSendEvents()

Covered by existing tests.

* Source/WebCore/animation/StyleOriginatedAnimation.h:
* Source/WebCore/animation/WebAnimation.h:

Canonical link: https://commits.webkit.org/310179@main



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