Fix the CI

.github/workflows/ci.yaml

@@ -114,6 +114,12 @@ jobs:
 
           git clone --depth 1 https://github.com/rust-lang/rustc_codegen_gcc
 
+          # Since we use rustc_codegen_gcc from the master branch of the repo, but don't use y.sh in make to build using rustc_codegen_gcc,
+          # we need to override the rust version.
+          rust_version=$(grep channel rustc_codegen_gcc/rust-toolchain | cut -f3 -d' ' | sed 's/"//g')
+          rustup override set $rust_version
+          rustup component add clippy rustfmt
+
           echo "MAKE_KRUSTFLAGS=KRUSTFLAGS=-Zcodegen-backend=$(pwd)/rustc_codegen_gcc/target/release/librustc_codegen_gcc.so" >> $GITHUB_ENV
 
 
@@ -225,30 +231,9 @@ jobs:
           grep '] rust_print: Info message (level 6) with args$'         qemu-stdout
           grep '] rust_print: A line that is continued with args$'       qemu-stdout
 
-      - run: grep '] ok 1 rust_doctests_kernel$' qemu-stdout
+      - run: grep '] ok 2 rust_doctests_kernel$' qemu-stdout
 
-      - run: |
-          grep -i '\bpanic\b'     qemu-stdout && exit 1
-          grep -i '\boops\b'      qemu-stdout && exit 1
-          grep -i '\btaint\b'     qemu-stdout && exit 1
-          grep -i '\bfault\b'     qemu-stdout && exit 1
-          grep -i '\btrace\b'     qemu-stdout && exit 1
-          grep -i '\bcorrupted\b' qemu-stdout && exit 1
-
-          grep -i '\bbug\b'       qemu-stdout |
-              grep -Fv '" and report a bug' &&
-              exit 1
-
-          grep -i '\berror\b'     qemu-stdout |
-              grep -Fv 'message (level 3)' |
-              grep -Fv 'regulatory.db' &&
-              exit 1
-
-          grep -i '\bwarning\b'   qemu-stdout |
-              grep -Fv 'message (level 4)' &&
-              exit 1
-
-          exit 0
+      - run: python ci/check_panics.py qemu-stdout
 
       # Re-build with Clippy.
       - run: make -C linux ${{ env.MAKE_ARCH }} ${{ env.MAKE_CROSS_COMPILE }} ${{ env.MAKE_TOOLCHAIN }} ${{ env.MAKE_OUTPUT }} ${{ env.MAKE_KRUSTFLAGS }} ${{ env.JOBS }} CLIPPY=1

check_panics.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+
+import re
+import sys
+
+PATTERNS = {
+    b"No such file or directory": [],
+    rb"\bpanic\b": [],
+    rb"\bpanics\b": [],
+    rb"\boops\b": [],
+    rb"\boopses\b": [],
+    rb"\btaint\b": [],
+    rb"\btaints\b": [
+        b"rust_out_of_tree: loading out-of-tree module taints kernel."
+    ],
+    rb"\bfault\b": [],
+    rb"\bfaults\b": [],
+    rb"\bcorrupted\b": [],
+    rb"\btrace\b": [
+        b"] RCU Tasks Trace:",
+        b"] trace event string verifier disabled",
+        b".pcie: probe with driver pci-host-generic failed with error -16"
+    ],
+    rb"\btraces\b": [],
+    rb"\bbug\b": [
+        b" and report a bug"
+    ],
+    rb"\bbugs\b": [],
+    rb"\berror\b": [
+        b"message (level 3)",
+        b"regulatory.db",
+        b".pcie: probe with driver pci-host-generic failed with error -16",
+        b"rust/kernel/error.rs",
+    ],
+    rb"\berrors\b": [],
+    rb"\bwarning\b": [
+        b"message (level 4)"
+    ],
+    rb"\bwarnings\b": [],
+}
+
+def main():
+    ok = True
+    with open(sys.argv[1], "rb") as file:
+        for line in file:
+            for pattern in PATTERNS:
+                if re.search(pattern, line):
+                    for allowed_string in PATTERNS[pattern]:
+                        if allowed_string in line:
+                            break
+                    else:
+                        ok = False
+                        print("Bad line found in log:")
+                        print(f"    Line:    {line}")
+                        print(f"    Pattern: {pattern}")
+                        print(f"    Allowed: {PATTERNS[pattern]}")
+                        print()
+
+    if not ok:
+        raise SystemExit(1)
+
+if __name__ == '__main__':
+    main()

rfl-debug.config

@@ -1,4 +1 @@
 CONFIG_RUST_DEBUG_ASSERTIONS=y
-
-CONFIG_KUNIT=y
-CONFIG_RUST_KERNEL_DOCTESTS=y

rfl-rust.config

@@ -14,3 +14,6 @@ CONFIG_SAMPLE_RUST_HOSTPROGS=y
 RUST_PHYLIB_ABSTRACTIONS=y
 AX88796B_PHY=y
 AX88796B_RUST_PHY=y
+
+CONFIG_KUNIT=y
+CONFIG_RUST_KERNEL_DOCTESTS=y