Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 94a902b223dc1062864715687e52fb472b207c96
https://github.com/WebKit/WebKit/commit/94a902b223dc1062864715687e52fb472b207c96
Author: Anne van Kesteren <[email protected]>
Date: 2026-10-08 (Thu, 08 Oct 2026)
Changed paths:
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LayoutTests/imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-handle-transfer-to-shared-and-service-workers-helper.js
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LayoutTests/imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-handle-transfer-to-shared-and-service-workers.https-expected.txt
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LayoutTests/imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-handle-transfer-to-shared-and-service-workers.https.html
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LayoutTests/imported/w3c/web-platform-tests/media-source/dedicated-worker/w3c-import.log
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LayoutTests/imported/w3c/web-platform-tests/mediacapture-insertable-streams/MediaStreamTrackHandle-transfer-to-shared-and-service-workers-helper.js
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LayoutTests/imported/w3c/web-platform-tests/mediacapture-insertable-streams/MediaStreamTrackHandle-transfer-to-shared-and-service-workers.https-expected.txt
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LayoutTests/imported/w3c/web-platform-tests/mediacapture-insertable-streams/MediaStreamTrackHandle-transfer-to-shared-and-service-workers.https.html
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LayoutTests/imported/w3c/web-platform-tests/mediacapture-insertable-streams/w3c-import.log
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LayoutTests/imported/w3c/web-platform-tests/mediacapture-streams/MediaStreamTrack-transfer-to-shared-and-service-workers-helper.js
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LayoutTests/imported/w3c/web-platform-tests/mediacapture-streams/MediaStreamTrack-transfer-to-shared-and-service-workers.https-expected.txt
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LayoutTests/imported/w3c/web-platform-tests/mediacapture-streams/MediaStreamTrack-transfer-to-shared-and-service-workers.https.html
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LayoutTests/imported/w3c/web-platform-tests/mediacapture-streams/w3c-import.log
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LayoutTests/imported/w3c/web-platform-tests/webcodecs/encodedVideoChunk-serialization.crossAgentCluster.https-expected.txt
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LayoutTests/imported/w3c/web-platform-tests/webcodecs/serialization-to-shared-and-service-workers-helper.js
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LayoutTests/imported/w3c/web-platform-tests/webcodecs/serialization-to-shared-and-service-workers.https-expected.txt
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LayoutTests/imported/w3c/web-platform-tests/webcodecs/serialization-to-shared-and-service-workers.https.html
M LayoutTests/imported/w3c/web-platform-tests/webcodecs/w3c-import.log
M Source/WebCore/bindings/js/SerializedScriptValue.cpp
Log Message:
-----------
Do not deserialize Window and DedicatedWorker-only types in other workers
https://bugs.webkit.org/show_bug.cgi?id=326689
rdar://189423491
Reviewed by Youenn Fablet.
WebCodecs types, MediaStreamTrack, MediaStreamTrackHandle,
MediaSourceHandle, RTCEncodedAudioFrame and RTCEncodedVideoFrame are
[Exposed=(Window,DedicatedWorker)], but posting one to a shared worker
or service worker delivered it there. Use the generated exposure check
from 322966@main for these serialization tags, through
isInterfaceExposedInGlobalObject() from 322979@main, so that those
messages fail to deserialize and result in a messageerror event.
The interfaces' [EnabledBySetting] now also applies when deserializing.
VideoFrame, AudioData, MediaStreamTrack and MediaSourceHandle already
failed to deserialize there whenever the message crossed processes, as
their data is not encoded for IPC. A shared worker can share the page's
process though, so that was not reliable. The new tests cover them too.
Tests:
imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-handle-transfer-to-shared-and-service-workers.https.html
imported/w3c/web-platform-tests/mediacapture-insertable-streams/MediaStreamTrackHandle-transfer-to-shared-and-service-workers.https.html
imported/w3c/web-platform-tests/mediacapture-streams/MediaStreamTrack-transfer-to-shared-and-service-workers.https.html
imported/w3c/web-platform-tests/webcodecs/serialization-to-shared-and-service-workers.https.html
Canonical link: https://commits.webkit.org/323120@main
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