[v8.x] backport HTTP/2 security release fixups#29618

Closed

addaleax wants to merge 2 commits intonodejs:v8.x-stagingfrom addaleax:v8.x-h2-fixups

+91-5

Commits on Sep 19, 2019

http2: do not crash on stream listener removal w/ destroyed session
addaleax
committed
http2: do not start reading after write if new write is on wire
addaleax
committed