← WebKit Silent-Fix Report — 2026-W25
b0273bc189 WorkerStorageConnection::scopeClosed() leaves getEstimate() completion handlers uncalled
severity low
class LogicError
confidence 0.50
WebCore Storage WorkerStorageConnection
Primitive: unfulfilled completion handlers on worker close
Triage note: Uncalled CompletionHandlers on scope close can trip a release-assert crashing the web process; test asserts no crash on worker close with in-flight estimates.
Triage note: Uncalled CompletionHandlers on scope close can trip a release-assert crashing the web process; test asserts no crash on worker close with in-flight estimates.
Security-relevant, below the exploitable-grade bar for a full root-cause writeup. The triage verdict is above; the side-by-side patch is below.
Before / after
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