Fix build error with workflow update

.github/workflows/cargo-test-kexpr.yml

@@ -0,0 +1,59 @@
+name: cargo-test-kexpr
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  install:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Get-submodule
+      run: git submodule update --init --recursive
+
+    - name: Install-linux-dbgsym
+      run: |
+          NAME=$(lsb_release -c | awk  '{print $2}')
+          sudo tee /etc/apt/sources.list.d/ddebs.list << EOF
+          deb http://ddebs.ubuntu.com/ ${NAME} main restricted universe multiverse
+          deb http://ddebs.ubuntu.com/ ${NAME}-updates main restricted universe multiverse
+          EOF
+
+          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C8CAB6595FDFF622
+          sudo apt-get update
+          sudo apt-get install linux-image-$(uname -r)-dbgsym
+
+    - name: Install-dependencies
+      run: |
+          sudo apt-get update
+          sudo apt install autoconf automake check gcc clang llvm liblzma-dev libelf-dev libdw-dev libtool make pkgconf python3 python3-dev python3-pip python3-setuptools zlib1g-dev
+
+    - name: Install-bpftool
+      run: |
+          git clone https://github.com/libbpf/bpftool.git
+          cd bpftool
+          git submodule update --init
+          cd src; make; sudo make install
+
+    - name: Install-drgn
+      run: |
+          git clone https://github.com/osandov/drgn.git
+          cd drgn
+          python3 setup.py build
+          sudo python3 setup.py install
+
+    - name: Create-vmlinux-h
+      run: bpftool btf dump file /sys/kernel/btf/vmlinux format c > vmlinux.h
+
+    - name: Test
+      run: |
+        cargo clean
+        cargo build
+        CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER='sudo -E' cargo test --target-dir test_build

.github/workflows/cargo-test.yml

@@ -1,4 +1,4 @@
-name: Rust
+name: cargo-test
 
 on:
   push:
@@ -22,6 +22,7 @@ jobs:
       run: |
           sudo apt-get update
           sudo apt-get install clang llvm libelf1 libelf-dev zlib1g-dev
+
     - name: Install-bpftool
       run: |
           git clone https://github.com/libbpf/bpftool.git
@@ -32,14 +33,8 @@ jobs:
     - name: Create-vmlinux-h
       run: bpftool btf dump file /sys/kernel/btf/vmlinux format c > vmlinux.h
 
-    - name: Test-normal
-      run: |
-        cargo clean
-        cargo build --no-default-features kexpr
-        sudo cargo test --target-dir test_build
-
-    - name: Test-kexpr
+    - name: Test
       run: |
         cargo clean
-        cargo build
-        sudo cargo test --target-dir test_build
+        cargo build --no-default-features
+        cargo test --no-default-features --target-dir test_build

Makefile

@@ -18,7 +18,7 @@ ifeq ($(ARCH), )
 	CARGO_OPT =
 
 ifeq ("$(wildcard /proc/kcore)", "")
-	BUILD_FEATURE += --no-default-features kexpr
+	BUILD_FEATURE += --no-default-features
 endif
 
 ifneq ("$(wildcard /sys/kernel/btf/vmlinux)", "")
@@ -64,7 +64,7 @@ check:
 # FIXME: This will create file with super user permission. We
 # better avoid this if possible.
 test:
-	sudo cargo test --features kexpr --target-dir test_build
+	CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER='sudo -E' cargo test --target-dir test_build
 
 clean:
 	cargo clean

src/kexpr.rs

@@ -254,7 +254,6 @@ mod kexpr_tests {
                 &String::from_utf8(
                     Command::new("./tests/kexpr.py")
                         .args($args)
-                        .stdout(Stdio::piped())
                         .output()
                         .expect("Fail to execute kexpr")
                         .stdout,

src/msg/mod.rs

@@ -16,7 +16,7 @@ struct MsgEnt {
     id: u64,
     typ: u64,
     pid: u64,
-    cmd: [c_char; TASK_COMM_LEN],
+    cmd: [u8; TASK_COMM_LEN],
 }
 unsafe impl Plain for MsgEnt {}
 

tests/kexpr.py

@@ -59,5 +59,6 @@ def busdev_kexpr2addr(bus, device, kexpr):
 elif plat_dev:
     busdev_kexpr2addr("platform", plat_dev, kexpr)
 else:
+    print(f"Invalid arguments {args}")
     exit(1)