Re-add the test that check panics

Author: antoyo

.github/workflows/ci.yaml

@@ -233,28 +233,7 @@ jobs:
 
       - 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()