From ddd5cd6c12bec652388507569fd1b5557624ff17 Mon Sep 17 00:00:00 2001 From: Yi Duan Date: Mon, 20 Mar 2023 21:10:22 +0800 Subject: [PATCH] fix:(loader) add mutex lock for registerModule (#388) --- loader/stubs.go | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/loader/stubs.go b/loader/stubs.go index 71439c4..8377649 100644 --- a/loader/stubs.go +++ b/loader/stubs.go @@ -1,12 +1,12 @@ /** * Copyright 2023 ByteDance Inc. - * + * * 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. @@ -17,16 +17,21 @@ package loader import ( - _ `unsafe` + `sync` + _ `unsafe` ) //go:linkname lastmoduledatap runtime.lastmoduledatap //goland:noinspection GoUnusedGlobalVariable var lastmoduledatap *moduledata +var moduledataMux sync.Mutex + func registerModule(mod *moduledata) { + moduledataMux.Lock() lastmoduledatap.next = mod lastmoduledatap = mod + moduledataMux.Unlock() } //go:linkname moduledataverify1 runtime.moduledataverify1