← WebKit — 2026-W35
b5aef3f0e4fc73299ec9f998007de512019041d3 REGRESSION(317964@main): [macOS iOS] ASSERTION FAILED: bytesSent >= m_pendingStreamBytesSentByNetwork in imported/w3c/web-platform-tests/service-workers/service
not a security fix
confidence 0.25
signal score 8.42
Source/WebCore/Modules
Classified as not security-relevant.
Triage note: Makes cloneBody() return an Exception and handles cloning a pending-stream FormData body by materializing a ReadableStream, with ServiceWorkerFetch re-fetching a cloned stream. Functional correctness for duplex/streaming fetch request bodies in service workers; not a memory-safety issue.
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: Makes cloneBody() return an Exception and handles cloning a pending-stream FormData body by materializing a ReadableStream, with ServiceWorkerFetch re-fetching a cloned stream. Functional correctness for duplex/streaming fetch request bodies in service workers; not a memory-safety issue.
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), null_guard (+1.95)
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