envoyproxy/envoy

Investigate reset after end_stream with HTTP over TCP tunneling

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#14,250 opened on Dec 2, 2020

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Description

https://github.com/envoyproxy/envoy/pull/14106 introduced some defensive programming to guard against the behavior where the TcpUpstream receives an upstream end_stream followed by a reset. This tracks looking into the root cause and fixing

Contributor guide

Research direction
Examine PR #14106 to understand the defensive programming added. Trace the TcpUpstream code path when an upstream end stream followed by a reset occurs. Identify the root cause by testing or debugging the HTTP over TCP tunneling scenario.
Tech stack
cpp
Domain
backendnetworking
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
C++HTTPTCP
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30