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authorJeffrey Wilcke <jeffrey@ethereum.org>2017-02-21 17:24:07 +0800
committerGitHub <noreply@github.com>2017-02-21 17:24:07 +0800
commit4ac481b45ff674c397233a580a6b6ed6fd486ac2 (patch)
tree0a8228fc3d856af08160f62b2dbb5b0c99f6e889
parent94334c233e5f02324d4427ffe6ffc14d41576e36 (diff)
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core/vm, crypto: support for go-fuzz (#3672)
-rw-r--r--core/vm/runtime/fuzz.go20
1 files changed, 20 insertions, 0 deletions
diff --git a/core/vm/runtime/fuzz.go b/core/vm/runtime/fuzz.go
new file mode 100644
index 000000000..de5b0f45d
--- /dev/null
+++ b/core/vm/runtime/fuzz.go
@@ -0,0 +1,20 @@
+// +build gofuzz
+
+package runtime
+
+// Fuzz is the basic entry point for the go-fuzz tool
+//
+// This returns 1 for valid parsable/runable code, 0
+// for invalid opcode.
+func Fuzz(input []byte) int {
+ _, _, err := Execute(input, input, &Config{
+ GasLimit: 3000000,
+ })
+
+ // invalid opcode
+ if err != nil && len(err.Error()) > 6 && string(err.Error()[:7]) == "invalid" {
+ return 0
+ }
+
+ return 1
+}