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Rewrite fuzzers to native Go harnesses (#22313)

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AdamKorcz 2023-01-05 02:33:00 +00:00 committed by GitHub
parent f41ad344cb
commit 906d8cc5dc
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2 changed files with 38 additions and 50 deletions
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50
tools/fuzz.go
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@ -1,50 +0,0 @@
// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
//go:build gofuzz
package fuzz
import (
"bytes"
"context"
"io"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/setting"
)
// 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.
var renderContext = markup.RenderContext{
Ctx: context.Background(),
URLPrefix: "https://example.com/go-gitea/gitea",
Metas: map[string]string{
"user": "go-gitea",
"repo": "gitea",
},
}
func FuzzMarkdownRenderRaw(data []byte) int {
setting.AppURL = "http://localhost:3000/"
err := markdown.RenderRaw(&renderContext, bytes.NewReader(data), io.Discard)
if err != nil {
return 0
}
return 1
}
func FuzzMarkupPostProcess(data []byte) int {
setting.AppURL = "http://localhost:3000/"
err := markup.PostProcess(&renderContext, bytes.NewReader(data), io.Discard)
if err != nil {
return 0
}
return 1
}

38
tools/fuzz_test.go Normal file
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@ -0,0 +1,38 @@
// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package main
import (
"bytes"
"context"
"io"
"testing"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/setting"
)
var renderContext = markup.RenderContext{
Ctx: context.Background(),
URLPrefix: "https://example.com/go-gitea/gitea",
Metas: map[string]string{
"user": "go-gitea",
"repo": "gitea",
},
}
func FuzzMarkdownRenderRaw(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
setting.AppURL = "http://localhost:3000/"
markdown.RenderRaw(&renderContext, bytes.NewReader(data), io.Discard)
})
}
func FuzzMarkupPostProcess(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
setting.AppURL = "http://localhost:3000/"
markup.PostProcess(&renderContext, bytes.NewReader(data), io.Discard)
})
}