Added 2 fuzzers (#13818)

* Added fuzzer

Signed-off-by: AdamKorcz <adam@adalogics.com>

* Added better fuzzer names

Signed-off-by: AdamKorcz <adam@adalogics.com>

* Moved fuzzer to /tools

* Update tools/fuzz.go

Co-authored-by: 6543 <6543@obermui.de>

* Update tools/fuzz.go

* Update tools/fuzz.go

Co-authored-by: silverwind <me@silverwind.io>

* Added tools to Makefile

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: zeripath <art27@cantab.net>
This commit is contained in:
AdamKorcz 2020-12-10 19:43:11 +00:00 committed by GitHub
parent 0c5fca2d85
commit 94415f7517
Signed by: GitHub
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 37 additions and 1 deletions

@ -110,7 +110,7 @@ TAGS ?=
TAGS_SPLIT := $(subst $(COMMA), ,$(TAGS))
TAGS_EVIDENCE := $(MAKE_EVIDENCE_DIR)/tags
GO_DIRS := cmd integrations models modules routers build services vendor
GO_DIRS := cmd integrations models modules routers build services vendor tools
GO_SOURCES := $(wildcard *.go)
GO_SOURCES += $(shell find $(GO_DIRS) -type f -name "*.go" -not -path modules/options/bindata.go -not -path modules/public/bindata.go -not -path modules/templates/bindata.go)

36
tools/fuzz.go Normal file

@ -0,0 +1,36 @@
// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// +build gofuzz
package fuzz
import (
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown"
)
// Contains fuzzing functions executed by
// fuzzing engine https://github.com/dvyukov/go-fuzz
//
// The function must return 1 if the fuzzer should increase priority of the given input during subsequent fuzzing
// (for example, the input is lexically correct and was parsed successfully).
// -1 if the input must not be added to corpus even if gives new coverage and 0 otherwise.
func FuzzMarkdownRenderRaw(data []byte) int {
_ = markdown.RenderRaw(data, "", false)
return 1
}
func FuzzMarkupPostProcess(data []byte) int {
var localMetas = map[string]string{
"user": "go-gitea",
"repo": "gitea",
}
_, err := markup.PostProcess(data, "https://example.com", localMetas, false)
if err != nil {
return 0
}
return 1
}