Revert "ci: update to Go 1.22.0 (quic-go#4312)"

This reverts commit 013949c.

.circleci/config.yml

@@ -1,15 +1,15 @@
 version: 2.1
 executors:
-  test-go122:
+  test-go121:
     docker:
-      - image: "cimg/go:1.22"
+      - image: "cimg/go:1.21"
     environment:
       runrace: true
       TIMESCALE_FACTOR: 3
 
 jobs:
   "test": &test
-    executor: test-go122
+    executor: test-go121
     steps:
       - checkout
       - run:
@@ -33,10 +33,10 @@ jobs:
       - run:
           name: "Run version negotiation tests with qlog"
           command: go run github.com/onsi/ginkgo/v2/ginkgo -v -randomize-all -trace integrationtests/versionnegotiation -- -qlog
-  go122:
+  go121:
     <<: *test
 
 workflows:
   workflow:
     jobs:
-      - go122
+      - go121

.clusterfuzzlite/Dockerfile

@@ -3,7 +3,7 @@ FROM gcr.io/oss-fuzz-base/base-builder-go:v1
 ARG TARGETPLATFORM
 RUN echo "TARGETPLATFORM: ${TARGETPLATFORM}"
 
-ENV GOVERSION=1.22.0
+ENV GOVERSION=1.21.5
 
 RUN platform=$(echo ${TARGETPLATFORM} | tr '/' '-') && \
   filename="go${GOVERSION}.${platform}.tar.gz" && \

.github/workflows/cross-compile.yml

@@ -4,7 +4,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go: [ "1.21.x", "1.22.x" ]
+        go: [ "1.21.x", "1.22.0-rc.2" ]
     runs-on: ${{ fromJSON(vars['CROSS_COMPILE_RUNNER_UBUNTU'] || '"ubuntu-latest"') }}
     name: "Cross Compilation (Go ${{matrix.go}})"
     steps:

.github/workflows/integration.yml

@@ -6,7 +6,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu" ]
-        go: [ "1.21.x", "1.22.x" ]
+        go: [ "1.21.x", "1.22.0-rc.2" ]
         include:
           - os: "windows"
             go: "1.21.x"

.github/workflows/lint.yml

@@ -7,7 +7,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.22.x"
+          go-version: "1.21.x"
       - name: Check that no non-test files import Ginkgo or Gomega
         run: .github/workflows/no_ginkgo.sh
       - name: Check for //go:build ignore in .go files
@@ -38,9 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go: [  "1.21.x", "1.22.x" ]
-    env:
-      GOLANGCI_LINT_VERSION: v1.56.1
+        go: [  "1.21.x", "1.22.0-rc.2" ]
     name: golangci-lint (Go ${{ matrix.go }})
     steps:
       - uses: actions/checkout@v4

.github/workflows/unit.yml

@@ -7,7 +7,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu", "windows", "macos" ]
-        go: [ "1.21.x", "1.22.x" ]
+        go: [ "1.21.x", "1.22.0-rc.2" ]
     runs-on: ${{ fromJSON(vars[format('UNIT_RUNNER_{0}', matrix.os)] || format('"{0}-latest"', matrix.os)) }}
     name: Unit tests (${{ matrix.os}}, Go ${{ matrix.go }})
     steps:

internal/qtls/client_session_cache.go

@@ -1,3 +1,5 @@
+//go:build go1.21
+
 package qtls
 
 import (

internal/qtls/go121_test.go

@@ -11,7 +11,7 @@ import (
 	. "github.com/onsi/gomega"
 )
 
-var _ = Describe("interface go crypto/tls", func() {
+var _ = Describe("Go 1.21", func() {
 	It("converts to tls.EncryptionLevel", func() {
 		Expect(ToTLSEncryptionLevel(protocol.EncryptionInitial)).To(Equal(tls.QUICEncryptionLevelInitial))
 		Expect(ToTLSEncryptionLevel(protocol.EncryptionHandshake)).To(Equal(tls.QUICEncryptionLevelHandshake))

interop/Dockerfile

@@ -5,7 +5,7 @@ RUN echo "TARGETPLATFORM: ${TARGETPLATFORM}"
 
 RUN apt-get update && apt-get install -y wget tar git
 
-ENV GOVERSION=1.22.0
+ENV GOVERSION=1.21.4
 
 RUN platform=$(echo ${TARGETPLATFORM} | tr '/' '-') && \
   filename="go${GOVERSION}.${platform}.tar.gz" && \

oss-fuzz.sh

@@ -3,12 +3,12 @@
 # Install Go manually, since oss-fuzz ships with an outdated Go version.
 # See https://github.com/google/oss-fuzz/pull/10643.
 export CXX="${CXX} -lresolv" # required by Go 1.20
-wget https://go.dev/dl/go1.22.0.linux-amd64.tar.gz \
+wget https://go.dev/dl/go1.21.5.linux-amd64.tar.gz \
   && mkdir temp-go \
   && rm -rf /root/.go/* \
-  && tar -C temp-go/ -xzf go1.22.0.linux-amd64.tar.gz \
+  && tar -C temp-go/ -xzf go1.21.5.linux-amd64.tar.gz \
   && mv temp-go/go/* /root/.go/ \
-  && rm -rf temp-go go1.22.0.linux-amd64.tar.gz
+  && rm -rf temp-go go1.21.5.linux-amd64.tar.gz
 
 (
 # fuzz qpack