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| author | sfan5 <sfan5@live.de> | 2022-05-29 16:00:44 +0200 |
|---|---|---|
| committer | sfan5 <sfan5@live.de> | 2022-05-29 16:30:13 +0200 |
| commit | 9fc018ded10225589d2559d24a5db739e891fb31 (patch) | |
| tree | 7cba6dc169414cc2c0c18703355b32064dcb40f2 | |
| parent | a9a207685a9d55e4fcdd97f5065383e2ec18e114 (diff) | |
| download | minetest-9fc018ded10225589d2559d24a5db739e891fb31.tar.gz minetest-9fc018ded10225589d2559d24a5db739e891fb31.tar.bz2 minetest-9fc018ded10225589d2559d24a5db739e891fb31.zip | |
Fix use-after-free in node meta cleanup
bug introduced in 8908a9101608d3343023b470743ef63f1c44b0b7
| -rw-r--r-- | src/script/lua_api/l_nodemeta.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/script/lua_api/l_nodemeta.cpp b/src/script/lua_api/l_nodemeta.cpp index 514a1b78b..bdc4844c0 100644 --- a/src/script/lua_api/l_nodemeta.cpp +++ b/src/script/lua_api/l_nodemeta.cpp @@ -66,8 +66,10 @@ void NodeMetaRef::reportMetadataChange(const std::string *name) NodeMetadata *meta = dynamic_cast<NodeMetadata*>(getmeta(false)); // If the metadata is now empty, get rid of it - if (meta && meta->empty()) + if (meta && meta->empty()) { clearMeta(); + meta = nullptr; + } MapEditEvent event; event.type = MEET_BLOCK_NODE_METADATA_CHANGED; |