roll back ubuntu version used with CI

.github/workflows/hostap-vm.yml

@@ -28,7 +28,7 @@ jobs:
               --enable-tlsv10 --enable-oldtls
     name: Build wolfSSL
     if: github.repository_owner == 'wolfssl'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     # This should be a safe limit for the tests to run.
     timeout-minutes: 10
     steps:
@@ -66,7 +66,7 @@ jobs:
   build_uml_linux:
     name: Build UML (UserMode Linux)
     if: github.repository_owner == 'wolfssl'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     # This should be a safe limit for the tests to run.
     timeout-minutes: 10
     steps:
@@ -143,7 +143,7 @@ jobs:
     name: hwsim test
     # For openssl 1.1
     if: github.repository_owner == 'wolfssl'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     # This should be a safe limit for the tests to run.
     timeout-minutes: 45
     needs: [build_wolfssl, build_uml_linux]

.github/workflows/ipmitool.yml

@@ -17,7 +17,7 @@ jobs:
   build_wolfssl:
     name: Build wolfSSL
     # Just to keep it the same as the testing target
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     if: github.repository_owner == 'wolfssl'
     # This should be a safe limit for the tests to run.
     timeout-minutes: 4
@@ -48,7 +48,7 @@ jobs:
         git_ref: [ c3939dac2c060651361fc71516806f9ab8c38901 ]
     name: ${{ matrix.git_ref }}
     if: github.repository_owner == 'wolfssl'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: build_wolfssl
     steps:
       - name: Install dependencies

.github/workflows/jwt-cpp.yml

@@ -17,7 +17,7 @@ jobs:
     name: Build wolfSSL
     # Just to keep it the same as the testing target
     if: github.repository_owner == 'wolfssl'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     # This should be a safe limit for the tests to run.
     timeout-minutes: 4
     steps:
@@ -47,7 +47,7 @@ jobs:
       matrix:
         config:
           - ref: 0.7.0
-            runner: ubuntu-latest
+            runner: ubuntu-20.04
           - ref: 0.6.0
             runner: ubuntu-22.04
     name: ${{ matrix.config.ref }}

.github/workflows/krb5.yml

@@ -21,10 +21,6 @@ jobs:
     # This should be a safe limit for the tests to run.
     timeout-minutes: 5
     steps:
-      - name: workaround high-entropy ASLR
-        # not needed after either an update to llvm or runner is done
-        run: sudo sysctl vm.mmap_rnd_bits=28
-
       - name: Build wolfSSL
         uses: wolfSSL/actions-build-autotools-project@v1
         with:

.github/workflows/multi-compiler.yml

@@ -42,7 +42,7 @@ jobs:
             OS: ubuntu-20.04
           - CC: clang-13
             CXX: clang++-13
-            OS: ubuntu-latest
+            OS: ubuntu-22.04
           - CC: clang-14
             CXX: clang++-14
             OS: ubuntu-latest

.github/workflows/zephyr.yml

@@ -26,7 +26,7 @@ jobs:
           - zephyr-ref: v2.7.4
             zephyr-sdk: 0.16.3
     if: github.repository_owner == 'wolfssl'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     # This should be a safe limit for the tests to run.
     timeout-minutes: 25
     steps: