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gRPC callbacks are reentrant, defer them #373

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PiotrSikora opened this issue Sep 25, 2023 · 1 comment
Open

gRPC callbacks are reentrant, defer them #373

PiotrSikora opened this issue Sep 25, 2023 · 1 comment

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@PiotrSikora
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gRPC callbacks are reentrant, leading to callback-during-callback, and crashes in SDKs.

Those should be deferred (similarly to callbacks for HTTP callouts, etc.)

Reported in proxy-wasm/proxy-wasm-rust-sdk#206, although plugins would crash even with deferred call due to unregistered token_id.

cc @mpwarres
@erikness-doordash erikness-doordash mentioned this issue Oct 18, 2023
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@PiotrSikora
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PiotrSikora commented Nov 7, 2023 •
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@mpwarres could you take a stab at fixing this?

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