Test

.github/workflows/build-linux.yml

@@ -0,0 +1,63 @@
+name: Build Linux
+
+on:
+  workflow_call:
+    outputs:
+      kernel-artifact-url:
+        description: "URL of the built (and uploaded) Linux kernel"
+        value: ${{ github.api_url }}/repos/${{ github.repository }}/actions/artifacts/${{ jobs.build.outputs.kernel-artifact-id }}/zip
+
+jobs:
+  build:
+    name: Build Linux
+    runs-on: ubuntu-latest
+    outputs:
+      kernel-artifact-id: ${{ steps.upload-linux-kernel.outputs.artifact-id }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/cache/restore@v4
+        id: restore-cached-kernel
+        with:
+          path: build/arch/x86/boot/bzImage
+          key: linux-kernel-${{ hashFiles('data/config') }}
+      - if: steps.restore-cached-kernel.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4
+        with:
+          repository: 'torvalds/linux'
+          # TODO: Bump to v6.11 once tagged.
+          ref: 81510a0eaa6916c2fbb0b2639f3e617a296979a3
+          fetch-depth: 1
+          path: linux/
+      - if: steps.restore-cached-kernel.outputs.cache-hit != 'true'
+        name: Install required tools
+        run: sudo apt-get install -y libelf-dev
+      - if: steps.restore-cached-kernel.outputs.cache-hit != 'true'
+        name: Build kernel
+        run: |
+          config=$(readlink --canonicalize-existing data/config)
+          build=$(pwd)/build/
+
+          cd linux/
+          export KBUILD_OUTPUT="${build}"
+          mkdir "${KBUILD_OUTPUT}"
+
+          KCONFIG_ALLCONFIG="${config}" make O="${KBUILD_OUTPUT}" allnoconfig
+
+          echo "::group::config"
+          cat "${KBUILD_OUTPUT}/.config"
+          echo "::endgroup::"
+
+          make O="${KBUILD_OUTPUT}" --jobs $(($(nproc) * 2))
+      - if: steps.restore-cached-kernel.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          path: build/arch/x86/boot/bzImage
+          key: linux-kernel-${{ hashFiles('data/config') }}
+      - uses: actions/upload-artifact@v4
+        id: upload-linux-kernel
+        with:
+          name: linux-kernel
+          if-no-files-found: error
+          # The kernel image is already compressed.
+          compression-level: 0
+          path: build/arch/x86/boot/bzImage

.github/workflows/publish-cli.yml

@@ -40,7 +40,7 @@ jobs:
           --request POST \
           --url https://api.github.com/repos/${{ github.repository }}/releases \
           --header "Accept: application/vnd.github+json" \
-          --header "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"\
+          --header "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
           --header "X-GitHub-Api-Version: 2022-11-28" \
           --data "{
               \"tag_name\":\"cli-v${version}\",

.github/workflows/test-linux.yml

@@ -0,0 +1,66 @@
+name: Build Linux
+
+on:
+  push:
+
+jobs:
+  build-linux-kernel:
+    uses: ./.github/workflows/build-linux.yml
+    secrets: inherit
+  test:
+    needs: [build-linux-kernel]
+    name: Test and coverage
+    runs-on: ubuntu-22.04
+    env:
+      LLVM_GSYMUTIL: /usr/bin/llvm-gsymutil-14
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - uses: Swatinem/rust-cache@v2
+      - name: Install required tools
+        run: sudo apt-get install -y llvm-14
+      - name: Build main.sh
+        env:
+          ARTIFACT_URL: ${{ needs.build-linux-kernel.outputs.kernel-artifact-url }}
+          PYTHON: ${{ steps.py312.outputs.python-path }}
+        run: |
+          # Build all tests.
+          cargo build --tests
+          # Get a list of tests we just built.
+          IFS='' tests=$(cargo build -Z unstable-options --tests --build-plan | \
+            jq -r '
+              .invocations[] |
+                select(
+                  .package_name == "blazesym" and
+                  .outputs[0] != null and
+                  (.outputs[0] | endswith(".rlib") | not) and
+                  (.outputs[0] | contains("/build/") | not)
+                ) |
+                .outputs[0]
+            ')
+          # Yes, there appears to be no way to just retrieve the
+          # uploaded artifact. One can't use actions/download-artifact
+          # and provide any of the outputs of actions/upload-artifact.
+          # Neither does it seem possible to just download the thing
+          # directly, because contents are unconditionally zipped. Good.
+          # Lord.
+          curl --location \
+            --fail-with-body \
+            --header "Accept: application/vnd.github+json" \
+            --header "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"\
+            --header "X-GitHub-Api-Version: 2022-11-28" \
+            --output artifact.zip \
+            "${ARTIFACT_URL}"
+          # This unzip will produce the kernel bzImage.
+          unzip artifact.zip
+          cat <<EOF > main.sh
+            set -e -u -o pipefail
+            export PYTHON=${PYTHON}
+            ${tests}
+          EOF
+          chmod a+x main.sh
+      - name: Test
+        uses: danobi/vmtest-action@master
+        with:
+          kernel: bzImage
+          command: ${{ github.workspace }}/main.sh

data/config

@@ -0,0 +1,148 @@
+CONFIG_KERNEL_ZSTD=y
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_WATCH_QUEUE=y
+CONFIG_CPU_ISOLATION=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_CGROUPS=y
+CONFIG_MEMCG=y
+CONFIG_NAMESPACES=y
+CONFIG_UTS_NS=y
+CONFIG_TIME_NS=y
+CONFIG_IPC_NS=y
+CONFIG_USER_NS=y
+CONFIG_PID_NS=y
+CONFIG_NET_NS=y
+CONFIG_UID16=y
+CONFIG_SYSFS_SYSCALL=y
+CONFIG_FHANDLE=y
+CONFIG_POSIX_TIMERS=y
+CONFIG_PRINTK=y
+CONFIG_FUTEX=y
+CONFIG_FUTEX_PI=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_64BIT=y
+CONFIG_X86_64=y
+CONFIG_X86=y
+CONFIG_MMU=y
+CONFIG_X86_64_SMP=y
+CONFIG_SMP=y
+CONFIG_X86_X2APIC=y
+CONFIG_X86_MPPARSE=y
+CONFIG_SCHED_OMIT_FRAME_POINTER=y
+CONFIG_HYPERVISOR_GUEST=y
+CONFIG_PARAVIRT=y
+CONFIG_PARAVIRT_SPINLOCKS=y
+CONFIG_KVM_GUEST=y
+CONFIG_PARAVIRT_CLOCK=y
+CONFIG_CPU_SUP_INTEL=y
+CONFIG_CPU_SUP_AMD=y
+CONFIG_SCHED_CLUSTER=y
+CONFIG_SCHED_SMT=y
+CONFIG_X86_MSR=y
+CONFIG_X86_CPUID=y
+CONFIG_MTRR=y
+CONFIG_HZ_300=y
+CONFIG_PM=y
+CONFIG_ACPI=y
+CONFIG_ACPI_BUTTON=y
+CONFIG_CPU_IDLE=y
+CONFIG_IA32_EMULATION=y
+CONFIG_COMPAT_32=y
+CONFIG_COMPAT=y
+CONFIG_KVM_MMIO=y
+CONFIG_KVM_ASYNC_PF=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_JUMP_LABEL=y
+CONFIG_BLOCK=y
+CONFIG_FREEZER=y
+CONFIG_BINFMT_ELF=y
+CONFIG_COMPAT_BINFMT_ELF=y
+CONFIG_ELFCORE=y
+CONFIG_BINFMT_SCRIPT=y
+CONFIG_BINFMT_MISC=y
+CONFIG_COREDUMP=y
+CONFIG_SLUB=y
+CONFIG_MEMORY_ISOLATION=y
+CONFIG_MEMFD_CREATE=y
+CONFIG_PER_VMA_LOCK=y
+CONFIG_NET=y
+CONFIG_NET_INGRESS=y
+CONFIG_NET_EGRESS=y
+CONFIG_NET_XGRESS=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IPV6=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_9P=y
+CONFIG_NET_9P_VIRTIO=y
+CONFIG_PAGE_POOL=y
+CONFIG_PCI=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_DEVTMPFS_SAFE=y
+CONFIG_STANDALONE=y
+CONFIG_SYS_HYPERVISOR=y
+CONFIG_PROC_EVENTS=y
+CONFIG_BLK_DEV=y
+CONFIG_ATA=y
+CONFIG_SATA_HOST=y
+CONFIG_SATA_AHCI=y
+CONFIG_NETDEVICES=y
+CONFIG_NET_CORE=y
+CONFIG_ETHERNET=y
+CONFIG_TTY=y
+CONFIG_SERIAL_EARLYCON=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_PCI=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_DEVMEM=y
+CONFIG_DEVPORT=y
+CONFIG_HPET=y
+CONFIG_VIRT_DRIVERS=y
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_PCI_LIB=y
+CONFIG_VIRTIO_MENU=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VHOST_TASK=y
+CONFIG_STAGING=y
+CONFIG_COMMON_CLK=y
+CONFIG_HWSPINLOCK=y
+CONFIG_MEMORY=y
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY_USER=y
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_9P_FS=y
+CONFIG_9P_FS_POSIX_ACL=y
+CONFIG_9P_FS_SECURITY=y
+CONFIG_NLS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ASCII=y
+CONFIG_ZSTD_COMMON=y
+CONFIG_ZSTD_DECOMPRESS=y
+CONFIG_DECOMPRESS_ZSTD=y
+CONFIG_ASSOCIATIVE_ARRAY=y
+CONFIG_PRINTK_TIME=y
+CONFIG_SYMBOLIC_ERRNAME=y
+CONFIG_BUILDTIME_MCOUNT_SORT=y
+CONFIG_RING_BUFFER=y