diff --git a/.github/workflows/checkstyle.yaml b/.github/workflows/checkstyle.yaml
index 7b506262593f..0b7b82fc1945 100644
--- a/.github/workflows/checkstyle.yaml
+++ b/.github/workflows/checkstyle.yaml
@@ -1,50 +1,51 @@
 name: checkstyle
 
 on:
   push:
   pull_request:
 
 jobs:
   checkstyle:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v3
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Install dependencies
       run: |
         sudo apt-get update
+        sudo apt-get -qq upgrade
         sudo apt-get install --yes -qq build-essential autoconf libtool gawk alien fakeroot linux-headers-$(uname -r)
         sudo apt-get install --yes -qq zlib1g-dev uuid-dev libattr1-dev libblkid-dev libselinux-dev libudev-dev libssl-dev python-dev python-setuptools python-cffi python3 python3-dev python3-setuptools python3-cffi
         # packages for tests
         sudo apt-get install --yes -qq parted lsscsi ksh attr acl nfs-kernel-server fio
         sudo apt-get install --yes -qq mandoc cppcheck pax-utils devscripts
         sudo -E pip --quiet install flake8
     - name: Prepare
       run: |
         sh ./autogen.sh
         ./configure
         make -j$(nproc)
     - name: Checkstyle
       run: |
         make checkstyle
     - name: Lint
       run: |
         make lint
     - name: CheckABI
       id: CheckABI
       run: |
         sudo docker run -v $(pwd):/source ghcr.io/openzfs/libabigail make checkabi
     - name: StoreABI
       if: failure() && steps.CheckABI.outcome == 'failure'
       run: |
         sudo docker run -v $(pwd):/source ghcr.io/openzfs/libabigail make storeabi
     - name: Prepare artifacts
       if: failure() && steps.CheckABI.outcome == 'failure'
       run: |
         find -name *.abi | tar -cf abi_files.tar -T -
     - uses: actions/upload-artifact@v3
       if: failure() && steps.CheckABI.outcome == 'failure'
       with:
         name: New ABI files (use only if you're sure about interface changes)
         path: abi_files.tar
diff --git a/.github/workflows/zfs-tests-functional.yml b/.github/workflows/zfs-tests-functional.yml
index c2a8dec99658..a3913b531f99 100644
--- a/.github/workflows/zfs-tests-functional.yml
+++ b/.github/workflows/zfs-tests-functional.yml
@@ -1,83 +1,84 @@
 name: zfs-tests-functional
 
 on:
   push:
   pull_request:
 
 jobs:
   tests-functional-ubuntu:
     strategy:
       fail-fast: false
       matrix:
-        os: [20.04]
+        os: [20.04, 22.04]
     runs-on: ubuntu-${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Install dependencies
       run: |
         sudo apt-get update
+        sudo apt-get -qq upgrade
         sudo apt-get install --yes -qq build-essential autoconf libtool gdb lcov \
           git alien fakeroot wget curl bc fio acl \
           sysstat mdadm lsscsi parted gdebi attr dbench watchdog ksh \
           nfs-kernel-server samba rng-tools xz-utils \
           zlib1g-dev uuid-dev libblkid-dev libselinux-dev \
           xfslibs-dev libattr1-dev libacl1-dev libudev-dev libdevmapper-dev \
           libssl-dev libffi-dev libaio-dev libelf-dev libmount-dev \
           libpam0g-dev pamtester python-dev python-setuptools python-cffi \
           python3 python3-dev python3-setuptools python3-cffi python3-packaging \
           libcurl4-openssl-dev
     - name: Autogen.sh
       run: |
         sh autogen.sh
     - name: Configure
       run: |
         ./configure --enable-debug --enable-debuginfo
     - name: Make
       run: |
         make --no-print-directory -s pkg-utils pkg-kmod
     - name: Install
       run: |
         sudo dpkg -i *.deb
         # Update order of directories to search for modules, otherwise
         #   Ubuntu will load kernel-shipped ones.
         sudo sed -i.bak 's/updates/extra updates/' /etc/depmod.d/ubuntu.conf
         sudo depmod
         sudo modprobe zfs
         # Workaround for cloud-init bug
         # see https://github.com/openzfs/zfs/issues/12644
         FILE=/lib/udev/rules.d/10-cloud-init-hook-hotplug.rules
         if [ -r "${FILE}" ]; then
           HASH=$(md5sum "${FILE}" | awk '{ print $1 }')
           if [ "${HASH}" = "121ff0ef1936cd2ef65aec0458a35772" ]; then
             # Just shove a zd* exclusion right above the hotplug hook...
             sudo sed -i -e s/'LABEL="cloudinit_hook"'/'KERNEL=="zd*", GOTO="cloudinit_end"\n&'/ "${FILE}"
             sudo udevadm control --reload-rules
           fi
         fi
         # Workaround to provide additional free space for testing.
         #   https://github.com/actions/virtual-environments/issues/2840
         sudo rm -rf /usr/share/dotnet
         sudo rm -rf /opt/ghc
         sudo rm -rf "/usr/local/share/boost"
         sudo rm -rf "$AGENT_TOOLSDIRECTORY"
     - name: Tests
       run: |
         /usr/share/zfs/zfs-tests.sh -vR -s 3G
       timeout-minutes: 330
     - name: Prepare artifacts
       if: failure()
       run: |
         RESULTS_PATH=$(readlink -f /var/tmp/test_results/current)
         sudo dmesg > $RESULTS_PATH/dmesg
         sudo cp /var/log/syslog $RESULTS_PATH/
         sudo chmod +r $RESULTS_PATH/*
         # Replace ':' in dir names, actions/upload-artifact doesn't support it
         for f in $(find /var/tmp/test_results -name '*:*'); do mv "$f" "${f//:/__}"; done
     - uses: actions/upload-artifact@v3
       if: failure()
       with:
         name: Test logs Ubuntu-${{ matrix.os }}
         path: /var/tmp/test_results/20*/
         if-no-files-found: ignore
diff --git a/.github/workflows/zfs-tests-sanity.yml b/.github/workflows/zfs-tests-sanity.yml
index c56355623002..34518428f63e 100644
--- a/.github/workflows/zfs-tests-sanity.yml
+++ b/.github/workflows/zfs-tests-sanity.yml
@@ -1,79 +1,80 @@
 name: zfs-tests-sanity
 
 on:
   push:
   pull_request:
 
 jobs:
   tests:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v3
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Install dependencies
       run: |
         sudo apt-get update
+        sudo apt-get -qq upgrade
         sudo apt-get install --yes -qq build-essential autoconf libtool gdb lcov \
           git alien fakeroot wget curl bc fio acl \
           sysstat mdadm lsscsi parted gdebi attr dbench watchdog ksh \
           nfs-kernel-server samba rng-tools xz-utils \
           zlib1g-dev uuid-dev libblkid-dev libselinux-dev \
           xfslibs-dev libattr1-dev libacl1-dev libudev-dev libdevmapper-dev \
           libssl-dev libffi-dev libaio-dev libelf-dev libmount-dev \
           libpam0g-dev pamtester python-dev python-setuptools python-cffi \
           python3 python3-dev python3-setuptools python3-cffi python3-packaging \
           libcurl4-openssl-dev
     - name: Autogen.sh
       run: |
         sh autogen.sh
     - name: Configure
       run: |
         ./configure --enable-debug --enable-debuginfo
     - name: Make
       run: |
         make --no-print-directory -s pkg-utils pkg-kmod
     - name: Install
       run: |
         sudo dpkg -i *.deb
         # Update order of directories to search for modules, otherwise
         #   Ubuntu will load kernel-shipped ones.
         sudo sed -i.bak 's/updates/extra updates/' /etc/depmod.d/ubuntu.conf
         sudo depmod
         sudo modprobe zfs
         # Workaround for cloud-init bug
         # see https://github.com/openzfs/zfs/issues/12644
         FILE=/lib/udev/rules.d/10-cloud-init-hook-hotplug.rules
         if [ -r "${FILE}" ]; then
           HASH=$(md5sum "${FILE}" | awk '{ print $1 }')
           if [ "${HASH}" = "121ff0ef1936cd2ef65aec0458a35772" ]; then
             # Just shove a zd* exclusion right above the hotplug hook...
             sudo sed -i -e s/'LABEL="cloudinit_hook"'/'KERNEL=="zd*", GOTO="cloudinit_end"\n&'/ "${FILE}"
             sudo udevadm control --reload-rules
           fi
         fi
         # Workaround to provide additional free space for testing.
         #   https://github.com/actions/virtual-environments/issues/2840
         sudo rm -rf /usr/share/dotnet
         sudo rm -rf /opt/ghc
         sudo rm -rf "/usr/local/share/boost"
         sudo rm -rf "$AGENT_TOOLSDIRECTORY"
     - name: Tests
       run: |
         /usr/share/zfs/zfs-tests.sh -vR -s 3G -r sanity
       timeout-minutes: 330
     - name: Prepare artifacts
       if: failure()
       run: |
         RESULTS_PATH=$(readlink -f /var/tmp/test_results/current)
         sudo dmesg > $RESULTS_PATH/dmesg
         sudo cp /var/log/syslog $RESULTS_PATH/
         sudo chmod +r $RESULTS_PATH/*
         # Replace ':' in dir names, actions/upload-artifact doesn't support it
         for f in $(find /var/tmp/test_results -name '*:*'); do mv "$f" "${f//:/__}"; done
     - uses: actions/upload-artifact@v3
       if: failure()
       with:
         name: Test logs
         path: /var/tmp/test_results/20*/
         if-no-files-found: ignore
diff --git a/.github/workflows/zloop.yml b/.github/workflows/zloop.yml
index 1c42491ee912..b9976264bf94 100644
--- a/.github/workflows/zloop.yml
+++ b/.github/workflows/zloop.yml
@@ -1,67 +1,68 @@
 name: zloop
 
 on:
   push:
   pull_request:
 
 jobs:
   tests:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       TEST_DIR: /var/tmp/zloop
     steps:
     - uses: actions/checkout@v3
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Install dependencies
       run: |
         sudo apt-get update
+        sudo apt-get -qq upgrade
         sudo apt-get install --yes -qq build-essential autoconf libtool gdb \
           git alien fakeroot \
           zlib1g-dev uuid-dev libblkid-dev libselinux-dev \
           xfslibs-dev libattr1-dev libacl1-dev libudev-dev libdevmapper-dev \
           libssl-dev libffi-dev libaio-dev libelf-dev libmount-dev \
           libpam0g-dev \
           python-dev python-setuptools python-cffi python-packaging \
           python3 python3-dev python3-setuptools python3-cffi python3-packaging
     - name: Autogen.sh
       run: |
         sh autogen.sh
     - name: Configure
       run: |
         ./configure --enable-debug --enable-debuginfo
     - name: Make
       run: |
         make --no-print-directory -s pkg-utils pkg-kmod
     - name: Install
       run: |
         sudo dpkg -i *.deb
         # Update order of directories to search for modules, otherwise
         #   Ubuntu will load kernel-shipped ones.
         sudo sed -i.bak 's/updates/extra updates/' /etc/depmod.d/ubuntu.conf
         sudo depmod
         sudo modprobe zfs
     - name: Tests
       run: |
         sudo mkdir -p $TEST_DIR
         # run for 20 minutes to have a total runner time of 30 minutes
         sudo /usr/share/zfs/zloop.sh -t 1200 -l -m1 -- -T 120 -P 60
     - name: Prepare artifacts
       if: failure()
       run: |
         sudo chmod +r -R $TEST_DIR/
     - uses: actions/upload-artifact@v3
       if: failure()
       with:
         name: Logs
         path: |
           /var/tmp/zloop/*/
           !/var/tmp/zloop/*/vdev/
         if-no-files-found: ignore
     - uses: actions/upload-artifact@v3
       if: failure()
       with:
         name: Pool files
         path: |
           /var/tmp/zloop/*/vdev/
         if-no-files-found: ignore