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Lua API: fix OOB array access in find_nodes_near (#14948)

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SmallJoker 2024-08-11 20:21:12 +02:00 committed by GitHub
parent f04cdc00a6
commit e236ad8348
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1 changed files with 3 additions and 3 deletions
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6
src/script/lua_api/l_env.cpp
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@ -970,8 +970,8 @@ int ModApiEnvBase::findNodesInArea(lua_State *L, const NodeDefManager *ndef,
}); });
// last filter table is at top of stack // last filter table is at top of stack
u32 i = filter.size() - 1; u32 i = filter.size();
do { while (i --> 0) {
if (idx[i] == 0) { if (idx[i] == 0) {
// No such node found -> drop the empty table // No such node found -> drop the empty table
lua_pop(L, 1); lua_pop(L, 1);
@ -979,7 +979,7 @@ int ModApiEnvBase::findNodesInArea(lua_State *L, const NodeDefManager *ndef,
// This node was found -> put table into the return table // This node was found -> put table into the return table
lua_setfield(L, base, ndef->get(filter[i]).name.c_str()); lua_setfield(L, base, ndef->get(filter[i]).name.c_str());
} }
} while (i-- != 0); }
assert(lua_gettop(L) == base); assert(lua_gettop(L) == base);
return 1; return 1;