pkg/report: add fuzz test

Found 3 bugs already.
Update #457

1 files changed, 36 insertions, 0 deletions

diff --git a/pkg/report/fuzz.go b/pkg/report/fuzz.go
new file mode 100644
index 000000000..b7f5ef2a5
--- /dev/null
+++ b/pkg/report/fuzz.go
@@ -0,0 +1,36 @@
+// Copyright 2017 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+// +build gofuzz
+
+package report
+
+import (
+	"regexp"
+)
+
+var reporter, _ = NewReporter("linux", "", "", nil, []*regexp.Regexp{regexp.MustCompile("foo")})
+
+func FuzzLinux(data []byte) int {
+	containsCrash := reporter.ContainsCrash(data)
+	rep := reporter.Parse(data)
+	if containsCrash != (rep != nil) {
+		panic("ContainsCrash and Parse disagree")
+	}
+	if rep == nil {
+		return 0
+	}
+	if rep.Title == "" {
+		panic("rep.Title == \"\"")
+	}
+	if len(rep.Report) == 0 {
+		panic("len(rep.Report) == 0")
+	}
+	if len(rep.Output) == 0 {
+		panic("len(rep.Output) == 0")
+	}
+	if rep.StartPos >= rep.EndPos {
+		panic("rep.StartPos >= rep.EndPos")
+	}
+	return 1
+}