fix #114 (shim_pwn): a new log for debug, need to fix the bug in future

Author: neargle

pkg/exploit/escaping/containerd_shim_pwn.go

@@ -124,9 +124,12 @@ func containerdShimApiExp(sock, shellCmd, rhost, rport string) error {
 	localBundlePath := fmt.Sprintf("/cdk_%s", util.RandString(6))
 	os.Mkdir(localBundlePath, os.ModePerm)
 
+	// dockerAbsPath := GetDockerAbsPath() + "/merged" + localBundlePath
 	absPath := GetDockerAbsPath()
 	absPath = strings.TrimSuffix(absPath, "/merged")
 	dockerAbsPath := filepath.Join(absPath, "merged", localBundlePath)
+	// add a new log info, to find bug in real world
+	log.Println("rootfs path, dockerAbsPath:", dockerAbsPath)
 
 	var payloadShellCmd = ""
 	if len(shellCmd) > 0 {