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wasi-http: Guest provided trailers can be lost #15026

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wasi-http: Guest provided trailers can be lost#15026
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bugIncorrect behavior in the current implementation that needs fixingwasi-httpIssues and PRs related to the wasi-http proposal

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@adamrk
adamrk
opened on Oct 27, 2026

If a guest gets a host provided http body as a stream<u8> via consume-body and then constructs a new request/response with that same stream and different trailers, the guest provided trailers will silently be dropped in favor of the trailers in the original host provided body.

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  1. adamrk
    added
    bugIncorrect behavior in the current implementation that needs fixing
    wasi-httpIssues and PRs related to the wasi-http proposal
    on Oct 27, 2026

  2. adamrk commented on Oct 27, 2026

    @adamrk
    adamrk
    on Oct 27, 2026
    MemberAuthor

    This is related to #15020 and I'm working on it as well.

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