test: migrate remaining fuzzit tests to go 1.18 fuzzing (#1687)

fuzzit/request/request_fuzz.go

@@ -1,26 +0,0 @@
-//go:build gofuzz
-
-package fuzz
-
-import (
-	"bufio"
-	"bytes"
-
-	"github.com/valyala/fasthttp"
-)
-
-func Fuzz(data []byte) int {
-	req := fasthttp.AcquireRequest()
-	defer fasthttp.ReleaseRequest(req)
-
-	if err := req.ReadLimitBody(bufio.NewReader(bytes.NewReader(data)), 1024*1024); err != nil {
-		return 0
-	}
-
-	w := bytes.Buffer{}
-	if _, err := req.WriteTo(&w); err != nil {
-		return 0
-	}
-
-	return 1
-}

fuzzit/response/response_fuzz.go

@@ -1,26 +0,0 @@
-//go:build gofuzz
-
-package fuzz
-
-import (
-	"bufio"
-	"bytes"
-
-	"github.com/valyala/fasthttp"
-)
-
-func Fuzz(data []byte) int {
-	res := fasthttp.AcquireResponse()
-	defer fasthttp.ReleaseResponse(res)
-
-	if err := res.ReadLimitBody(bufio.NewReader(bytes.NewReader(data)), 1024*1024); err != nil {
-		return 0
-	}
-
-	w := bytes.Buffer{}
-	if _, err := res.WriteTo(&w); err != nil {
-		return 0
-	}
-
-	return 1
-}

fuzzit/url/url_fuzz.go

@@ -1,23 +0,0 @@
-//go:build gofuzz
-
-package fuzz
-
-import (
-	"bytes"
-
-	"github.com/valyala/fasthttp"
-)
-
-func Fuzz(data []byte) int {
-	u := fasthttp.AcquireURI()
-	defer fasthttp.ReleaseURI(u)
-
-	u.UpdateBytes(data)
-
-	w := bytes.Buffer{}
-	if _, err := u.WriteTo(&w); err != nil {
-		return 0
-	}
-
-	return 1
-}

http_test.go

@@ -1700,6 +1700,32 @@ func testRequestReadLimitBodySuccess(t *testing.T, s string, maxBodySize int) {
 	}
 }
 
+func FuzzResponseReadLimitBody(f *testing.F) {
+	res := AcquireResponse()
+	defer ReleaseResponse(res)
+
+	f.Add([]byte("HTTP/1.1 200 OK\r\nContent-Type: aa\r\nContent-Length: 10\r\n\r\n9876543210"), 1024*1024)
+
+	f.Fuzz(func(t *testing.T, body []byte, max int) {
+		_ = res.ReadLimitBody(bufio.NewReader(bytes.NewReader(body)), max)
+		w := bytes.Buffer{}
+		_, _ = res.WriteTo(&w)
+	})
+}
+
+func FuzzRequestReadLimitBody(f *testing.F) {
+	req := AcquireRequest()
+	defer ReleaseRequest(req)
+
+	f.Add([]byte("POST /a HTTP/1.1\r\nHost: a.com\r\nTransfer-Encoding: chunked\r\nContent-Type: aa\r\n\r\n6\r\nfoobar\r\n3\r\nbaz\r\n0\r\nfoobar\r\n\r\n"), 1024*1024)
+
+	f.Fuzz(func(t *testing.T, body []byte, max int) {
+		_ = req.ReadLimitBody(bufio.NewReader(bytes.NewReader(body)), max)
+		w := bytes.Buffer{}
+		_, _ = req.WriteTo(&w)
+	})
+}
+
 func TestRequestString(t *testing.T) {
 	t.Parallel()
 

uri_test.go

@@ -9,6 +9,25 @@ import (
 	"time"
 )
 
+func FuzzURIUpdateBytes(f *testing.F) {
+	u := AcquireURI()
+	defer ReleaseURI(u)
+
+	f.Add([]byte(`http://foobar.com/aaa/bb?cc`))
+	f.Add([]byte(`//foobar.com/aaa/bb?cc`))
+	f.Add([]byte(`/aaa/bb?cc`))
+	f.Add([]byte(`xx?yy=abc`))
+
+	f.Fuzz(func(t *testing.T, uri []byte) {
+		u.UpdateBytes(uri)
+
+		w := bytes.Buffer{}
+		if _, err := u.WriteTo(&w); err != nil {
+			t.Fatalf("unexpected error: %v", err)
+		}
+	})
+}
+
 func TestURICopyToQueryArgs(t *testing.T) {
 	t.Parallel()