← WebKit — 2026-W37
feb8e0dbf2cc3b8cbd9e8bd3740440d4cfdbe08d [IFC] Stop forwarding overflow and text-overflow to anonymous block boxes
not a security fix
confidence 0.13
signal score 9.27
Source/WebCore/layout
Classified as not security-relevant.
Triage note: Removes the BoxTreeUpdater::adjustStyleIfNeeded forwarding of overflow/text-overflow onto anonymous block styles and instead resolves truncation style on demand via a new IntegrationUtils::firstNonAnonymousAncestorStyle(box) helper, used in InlineFormattingContext, TextOnlySimpleLineBuilder and InlineDisplayLineBuilder. This is a layout/style-correctness refactor of ellipsis handling for anonymous boxes with no memory-safety or exploitable logic bug and no RC_REMOVE_SEC_ACCEL_3 marker.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Triage note: Removes the BoxTreeUpdater::adjustStyleIfNeeded forwarding of overflow/text-overflow onto anonymous block styles and instead resolves truncation style on demand via a new IntegrationUtils::firstNonAnonymousAncestorStyle(box) helper, used in InlineFormattingContext, TextOnlySimpleLineBuilder and InlineDisplayLineBuilder. This is a layout/style-correctness refactor of ellipsis handling for anonymous boxes with no memory-safety or exploitable logic bug and no RC_REMOVE_SEC_ACCEL_3 marker.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Structural signals: smartptr_member_added (+6.47), msg_medium (+2.0), msg_noise (-2.5), area:Source/WebCore/layout (+2.0), surgical (+1.3)
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