Differential D32082

tcp: Rack compressed ack path updates the recv window too easily
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Authored by rrs on Sep 23 2021, 3:16 PM.

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tuexen

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transport

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rG1ca931a540cb: tcp: Rack compressed ack path updates the recv window too easily

Summary

The compressed ack path of rack is not following proper procedures in updating
the peers window. It should be checking the seq and ack values before updating and
instead it is blindly updating the values. This could in theory get the wrong window
in the connection for some length of time.