fuzzing with dvyukov/go-fuzz

.gitignore

@@ -3,4 +3,5 @@
 .\#*
 .*.sw?
 *.coverprofile
+*exportable-fuzz.zip
 go-i2p

Makefile

@@ -0,0 +1,8 @@
+fuzz:
+	go-fuzz-build -o lib/common/fuzz/keys_and_cert/exportable-fuzz.zip github.com/hkparker/go-i2p/lib/common/fuzz/keys_and_cert
+	go-fuzz-build -o lib/common/fuzz/certificate/exportable-fuzz.zip github.com/hkparker/go-i2p/lib/common/fuzz/certificate
+	go-fuzz-build -o lib/common/fuzz/destination/exportable-fuzz.zip github.com/hkparker/go-i2p/lib/common/fuzz/destination
+	go-fuzz-build -o lib/common/fuzz/router_address/exportable-fuzz.zip github.com/hkparker/go-i2p/lib/common/fuzz/router_address
+	go-fuzz-build -o lib/common/fuzz/router_identity/exportable-fuzz.zip github.com/hkparker/go-i2p/lib/common/fuzz/router_identity
+	go-fuzz-build -o lib/common/fuzz/string/exportable-fuzz.zip github.com/hkparker/go-i2p/lib/common/fuzz/string
+	forego start

Procfile

@@ -0,0 +1,6 @@
+keys_and_cert: go-fuzz -bin=lib/common/fuzz/keys_and_cert/exportable-fuzz.zip -workdir=lib/common/fuzz/keys_and_cert -procs=1
+certificate: go-fuzz -bin=lib/common/fuzz/certificate/exportable-fuzz.zip -workdir=lib/common/fuzz/certificate -procs=1
+destination: go-fuzz -bin=lib/common/fuzz/destination/exportable-fuzz.zip -workdir=lib/common/fuzz/destination -procs=1
+router_address: go-fuzz -bin=lib/common/fuzz/router_address/exportable-fuzz.zip -workdir=lib/common/fuzz/router_address -procs=1
+router_identity: go-fuzz -bin=lib/common/fuzz/router_identity/exportable-fuzz.zip -workdir=lib/common/fuzz/router_identity -procs=1
+string: go-fuzz -bin=lib/common/fuzz/string/exportable-fuzz.zip -workdir=lib/common/fuzz/string -procs=1

lib/common/fuzz/Dockerfile

@@ -0,0 +1,13 @@
+FROM golang
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install libsodium-dev -y
+
+RUN go get github.com/dvyukov/go-fuzz/go-fuzz
+RUN go get github.com/dvyukov/go-fuzz/go-fuzz-build
+RUN go get github.com/hkparker/go-i2p
+
+WORKDIR /go/src/github.com/hkparker/go-i2p
+
+ENTRYPOINT ["make", "fuzz"]

lib/common/fuzz/certificate/corpus/9842926af7ca0a8cca12604f945414f07b01e13d

@@ -0,0 +1 @@
+

lib/common/fuzz/certificate/corpus/test-input-3

@@ -0,0 +1 @@
+

lib/common/fuzz/certificate/fuzz.go

@@ -0,0 +1,11 @@
+package exportable
+
+import "github.com/hkparker/go-i2p/lib/common"
+
+func Fuzz(data []byte) int {
+	cert := common.Certificate(data)
+	cert.Data()
+	cert.Length()
+	cert.Type()
+	return 0
+}

lib/common/fuzz/destination/corpus/corpus/8dc00598417d4eb788a77ac6ccef3cb484905d8b

@@ -0,0 +1 @@
+

lib/common/fuzz/destination/fuzz.go

@@ -0,0 +1,10 @@
+package exportable
+
+import "github.com/hkparker/go-i2p/lib/common"
+
+func Fuzz(data []byte) int {
+	destination := common.Destination(data)
+	destination.Base32Address()
+	destination.Base64()
+	return 0
+}

lib/common/fuzz/keys_and_cert/corpus/8dc00598417d4eb788a77ac6ccef3cb484905d8b

@@ -0,0 +1 @@
+

lib/common/fuzz/keys_and_cert/fuzz.go

@@ -0,0 +1,11 @@
+package exportable
+
+import "github.com/hkparker/go-i2p/lib/common"
+
+func Fuzz(data []byte) int {
+	keys_and_cert, _, _ := common.ReadKeysAndCert(data)
+	keys_and_cert.Certificate()
+	keys_and_cert.PublicKey()
+	keys_and_cert.SigningPublicKey()
+	return 0
+}

lib/common/fuzz/router_address/corpus/4991cc8dad31a281a092d8361fd92afb2998e754-2

@@ -0,0 +1 @@
+\nkn wn Go type for

lib/common/fuzz/router_address/crashers/0be2a4bbfac7e360f904dc1ec602b5c2e77cf0ba.output

@@ -0,0 +1,19 @@
+time="2017-04-07T21:24:51-07:00" level=warning msg="string format warning" at="(String) Length" expected_bytes_length=1 reason="data longer than specified" string_bytes_length=3 string_length_field=0 
+panic: runtime error: slice bounds out of range
+
+goroutine 1 [running]:
+panic(0x55732ff677e0, 0xc42000c1f0)
+	/tmp/go-fuzz-build303011531/goroot/src/runtime/panic.go:500 +0x1a1
+github.com/hkparker/go-i2p/lib/common.ReadRouterAddress(0x7ff24dbe0000, 0xc, 0x200000, 0x10, 0x350, 0x36, 0xc420053e88, 0x55732fec5cd3, 0x58e86613, 0x3747c069, ...)
+	/tmp/go-fuzz-build303011531/gopath/src/github.com/hkparker/go-i2p/lib/common/router_address.go:152 +0x450
+github.com/hkparker/go-i2p/lib/common/fuzz/router_address.Fuzz(0x7ff24dbe0000, 0xc, 0x200000, 0x0)
+	/tmp/go-fuzz-build303011531/gopath/src/github.com/hkparker/go-i2p/lib/common/fuzz/router_address/fuzz.go:6 +0x4c
+go-fuzz-dep.Main(0x55732ff8f948)
+	/tmp/go-fuzz-build303011531/goroot/src/go-fuzz-dep/main.go:49 +0xe8
+main.main()
+	/tmp/go-fuzz-build303011531/gopath/src/github.com/hkparker/go-i2p/lib/common/fuzz/router_address/go.fuzz.main/main.go:10 +0x2d
+
+goroutine 17 [syscall, locked to thread]:
+runtime.goexit()
+	/tmp/go-fuzz-build303011531/goroot/src/runtime/asm_amd64.s:2086 +0x1
+exit status 2

lib/common/fuzz/router_address/crashers/0be2a4bbfac7e360f904dc1ec602b5c2e77cf0ba.quoted

@@ -0,0 +1 @@
+	"000000000\x0000"

lib/common/fuzz/router_address/fuzz.go

@@ -0,0 +1,12 @@
+package exportable
+
+import "github.com/hkparker/go-i2p/lib/common"
+
+func Fuzz(data []byte) int {
+	router_address, _, _ := common.ReadRouterAddress(data)
+	router_address.Cost()
+	router_address.Expiration()
+	router_address.Options()
+	router_address.TransportStyle()
+	return 0
+}

lib/common/fuzz/router_address/suppressions/964db7dc97cc5a9baca60d7c30bb4f8bdb5d207c

@@ -0,0 +1,6 @@
+panic: runtime error: slice bounds out of range
+panic
+github.com/hkparker/go-i2p/lib/common.ReadRouterAddress
+github.com/hkparker/go-i2p/lib/common/fuzz/router_address.Fuzz
+go-fuzz-dep.Main
+main.main

lib/common/fuzz/router_identity/fuzz.go

@@ -0,0 +1,11 @@
+package exportable
+
+import "github.com/hkparker/go-i2p/lib/common"
+
+func Fuzz(data []byte) int {
+	router_identity, _, _ := common.ReadRouterIdentity(data)
+	router_identity.Certificate()
+	router_identity.PublicKey()
+	router_identity.SigningPublicKey()
+	return 0
+}

lib/common/fuzz/string/corpus/ac9231da4082430afe8f4d40127814c613648d8e

@@ -0,0 +1 @@
+	

lib/common/fuzz/string/corpus/bf8b4530d8d246dd74ac53a13471bba17941dff7

@@ -0,0 +1 @@
+

lib/common/fuzz/string/corpus/test-input-4

@@ -0,0 +1 @@
+
	

lib/common/fuzz/string/corpus/test-input-5

@@ -0,0 +1 @@
+	

lib/common/fuzz/string/corpus/test-input-6

@@ -0,0 +1 @@
+


lib/common/fuzz/string/fuzz.go

@@ -0,0 +1,13 @@
+package exportable
+
+import "github.com/hkparker/go-i2p/lib/common"
+
+func Fuzz(data []byte) int {
+	str, _, _ := common.ReadString(data)
+	str.Data()
+	str.Length()
+	str, _ = common.ToI2PString(string(data))
+	str.Data()
+	str.Length()
+	return 0
+}