tree 814f0fbe73c106cd1fd285f8da13bb6fd45e6198
parent 88ed8ca3307d175356041a1bbc310c6e803b09a6
author Damien Neil <dneil@google.com> 1696611079 -0700
committer Gopher Robot <gobot@golang.org> 1696958415 +0000

[internal-branch.go1.20-vendor] http2: limit maximum handler goroutines to MaxConcurrentStreams

When the peer opens a new stream while we have MaxConcurrentStreams
handler goroutines running, defer starting a handler until one
of the existing handlers exits.

For golang/go#63417.
For golang/go#63426.
For CVE-2023-39325.

Change-Id: If0531e177b125700f3e24c5ebd24b1023098fa6d
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/2047553
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
TryBot-Result: Security TryBots <security-trybots@go-security-trybots.iam.gserviceaccount.com>
Reviewed-on: https://go-review.googlesource.com/c/net/+/534236
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>