[runc] Move fuzzers upstream (#5390)

* [runc] Move fuzzers upstream

* Experimental fix

* Revert

5 files changed, 2 insertions, 134 deletions

diff --git a/projects/runc/Dockerfile b/projects/runc/Dockerfile
index 63e3017f6..78616e91e 100644
--- a/projects/runc/Dockerfile
+++ b/projects/runc/Dockerfile
@@ -16,9 +16,5 @@
 
 FROM gcr.io/oss-fuzz-base/base-builder
 RUN git clone --depth 1 https://github.com/opencontainers/runc
-COPY build.sh \
-     id_map_fuzzer.go \
-     user_fuzzer.go \
-     configs_fuzzer.go \
-     $SRC/
+COPY build.sh $SRC/
 WORKDIR $SRC/runc
diff --git a/projects/runc/build.sh b/projects/runc/build.sh
index 4c30ab5ac..4f0b084d1 100644
--- a/projects/runc/build.sh
+++ b/projects/runc/build.sh
@@ -15,11 +15,4 @@
 #
 ################################################################################
 
-mv $SRC/id_map_fuzzer.go $SRC/runc/libcontainer/system/
-compile_go_fuzzer ./libcontainer/system Fuzz id_map_fuzzer linux
-
-mv $SRC/user_fuzzer.go $SRC/runc/libcontainer/user
-compile_go_fuzzer ./libcontainer/user Fuzz user_fuzzer
-
-mv $SRC/configs_fuzzer.go $SRC/runc/libcontainer/configs
-compile_go_fuzzer ./libcontainer/configs Fuzz configs_fuzzer
+$SRC/runc/tests/fuzzing/oss_fuzz_build.sh
diff --git a/projects/runc/configs_fuzzer.go b/projects/runc/configs_fuzzer.go
deleted file mode 100644
index d482ba0fa..000000000
--- a/projects/runc/configs_fuzzer.go
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright 2021 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-package configs
-
-import(
-	"fmt"
-)
-
-
-func Fuzz(data []byte) int {
-	hookNameList := []string {"prestart",
-				  "createRuntime",
-				  "createContainer",
-				  "startContainer",
-				  "poststart"}
-
-	for _, hookName := range hookNameList {
-		hooks := Hooks{}
-		_ = hooks.UnmarshalJSON([]byte(fmt.Sprintf(`{"%s" :[%s]}`, hookName, data)))
-	}
-	return 1
-}
diff --git a/projects/runc/id_map_fuzzer.go b/projects/runc/id_map_fuzzer.go
deleted file mode 100644
index 4d842a4cb..000000000
--- a/projects/runc/id_map_fuzzer.go
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2021 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-package system
-
-import (
-	"strings"
-	"github.com/opencontainers/runc/libcontainer/user"
-)
-
-
-func Fuzz(data []byte) int {
-	uidmap, _ := user.ParseIDMap(strings.NewReader(string(data)))
-	_ = UIDMapInUserNS(uidmap)
-	return 1
-}
diff --git a/projects/runc/user_fuzzer.go b/projects/runc/user_fuzzer.go
deleted file mode 100644
index b3a2ca71c..000000000
--- a/projects/runc/user_fuzzer.go
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright 2021 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-package user
-
-import (
-	"strings"
-	"io"
-)
-
-
-func IsDivisbleBy(n int, divisibleby int) bool {
-	return (n % divisibleby) == 0
-}
-
-func Fuzz(data []byte) int {
-	if len(data)==0 {
-		return -1
-	}
-	divisible := IsDivisbleBy(len(data), 5)
-	if divisible==false {
-		return -1
-	}
-
-	var divided [][]byte
-
-	chunkSize := len(data)/5
-
-	for i := 0; i < len(data); i += chunkSize {
-	    end := i + chunkSize
-
-	    divided = append(divided, data[i:end])
-	}
-
-	_, _ = ParsePasswdFilter(strings.NewReader(string(divided[0])), nil)
-
-	var passwd, group io.Reader
-
-	group = strings.NewReader(string(divided[1]))
-	_, _ = GetAdditionalGroups([]string{string(divided[2])}, group)
-
-
-	passwd = strings.NewReader(string(divided[3]))
-	_, _ = GetExecUser(string(divided[4]), nil, passwd, group)
-	return 1
-}