Merge pull request #3 from wneessen/fuzzing

Added fuzzing test for Atoi

.github/workflows/codecov.yml

@@ -22,17 +22,20 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go: [1.15, 1.16, 1.17, 1.18]
+        go: [1.17, 1.18, 1.19]
     steps:
     - name: Checkout Code
       uses: actions/checkout@master
-
+    - name: Setup go
+      uses: actions/setup-go@v3
+      with:
+        go-version: ${{ matrix.go }}
     - name: Run Tests
       run: |
         go test -v -race --coverprofile=coverage.coverprofile --covermode=atomic ./...
     
     - name: Upload coverage to Codecov
-      if: success() && matrix.go == 1.18 && matrix.os == 'ubuntu-latest'
+      if: success() && matrix.go == 1.19 && matrix.os == 'ubuntu-latest'
       uses: codecov/codecov-action@v2
       with:
         token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos

.github/workflows/fuzzing.yml

@@ -17,12 +17,15 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        go: [1.19]
+        os: [ubuntu-latest]
+        go: [1.18, 1.19]
     steps:
     - name: Checkout Code
       uses: actions/checkout@master
-
+    - name: Setup go
+      uses: actions/setup-go@v3
+      with:
+        go-version: ${{ matrix.go }}
     - name: Run Fuzzing Tests
       run: |
-        go test -v -race -fuzz=. --fuzztime=10s . && go test -v -race -fuzz=. --fuzztime=10s ./rfc3164 && go test -v -race -fuzz=. --fuzztime=10s ./rfc5424
+        go version && go test -v -race -fuzz=. --fuzztime=10s . && go test -v -race -fuzz=. --fuzztime=10s ./rfc3164 && go test -v -race -fuzz=. --fuzztime=10s ./rfc5424

common_fuzz_test.go

@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: 2022 Winni Neessen <winni@neessen.dev>
+//
+// SPDX-License-Identifier: MI
+
+//go:build go1.18
+// +build go1.18
+
+package parsesyslog
+
+import (
+	"testing"
+)
+
+// FuzzAtoi performs a fuzzing test on Atoi
+func FuzzAtoi(f *testing.F) {
+	tests := [][]byte{[]byte("1"), []byte("123"), []byte("255"), []byte("-1"), []byte("A")}
+	for _, t := range tests {
+		f.Add(t)
+	}
+	f.Fuzz(func(t *testing.T, ns []byte) {
+		_, err := Atoi(ns)
+		if err != nil {
+			return
+		}
+	})
+}