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fix: 修复 unload_lib/clean 的 lua_remove 栈索引越界(自 LuaJIT 分支回移)

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JianFeeeee
2026-08-25 12:01:10 +08:00
parent 761198e96f
commit 354abddfc8
1 changed files with 3 additions and 5 deletions
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8
lib/lua_runner.cpp
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@ -136,7 +136,7 @@ int Lua_runner::unload_lib(const char *name)
{ {
return -1; return -1;
} }
lua_remove(this->L,this->pkgs[sig].ref); lua_remove(this->L,this->pkgs[sig].ref - 1); // ref = gettop+1, 故用 ref-1 定位实际栈位置
for(int j = sig+1;j<this->pkg_cont;j++) for(int j = sig+1;j<this->pkg_cont;j++)
{ {
this->pkgs[j-1] = this->pkgs[j];//保持数据结构 this->pkgs[j-1] = this->pkgs[j];//保持数据结构
@ -162,10 +162,8 @@ int Lua_runner::clean()//进行新一轮调用前一定要先clean清除上个
luaL_dostring(this->L, clean_globals_code);//清空全局变量 luaL_dostring(this->L, clean_globals_code);//清空全局变量
luaL_dostring(this->L, "package.loaded = {}");//清空当前引用的包 luaL_dostring(this->L, "package.loaded = {}");//清空当前引用的包
for(int i = 0 ;i<this->pkg_cont;i++) // 注: 原先此处有逐个 lua_remove(pkgs[i].ref) 的循环，但 ref=gettop+1 恒越界且多次移除后索引偏移，
{ // 实为死代码；末尾 lua_settop(L,0) 已完整清栈（LuaJIT 下越界 remove 会损坏内存导致崩溃，故删除）
lua_remove(this->L,this->pkgs[i].ref);
}
this->pkg_cont = 0; this->pkg_cont = 0;
// 清理预加载函数 // 清理预加载函数
for(int i = 0; i < this->func_cont; i++) for(int i = 0; i < this->func_cont; i++)