> Yury, is it possible that we read 0 as the length of an entry here? Added MOZ_ASSERT(mZStreamInitialized) for "wasm -- data expected" confirms that no data was read, but stream [indicated](https://searchfox.org/mozilla-central/rev/702199bca53babc925e47fd8f86ed56487d42492/dom/fetch/FetchUtil.cpp#538) that it was closed. (There is "wasm - length:" to track the length entry)
Bug 1737405 Comment 20 Edit History
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(wrong comment/analysis, removed)