commit b0030d4: [Minor] Lua_task: Copy key when setting cache entries to avoid GC race

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2019-01-31 11:39:37 +0000
URL: https://github.com/rspamd/rspamd/commit/b0030d4cd663ba83261ffb3965f31c64d27b8778 (HEAD -> master)

[Minor] Lua_task: Copy key when setting cache entries to avoid GC race

---
 src/lua/lua_task.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lua/lua_task.c b/src/lua/lua_task.c
index 7b21ccc0d..b216eda69 100644
--- a/src/lua/lua_task.c
+++ b/src/lua/lua_task.c
@@ -1216,7 +1216,8 @@ lua_task_set_cached (lua_State *L, struct rspamd_task *task, const gchar *key,
 	}
 	else {
 		entry = rspamd_mempool_alloc (task->task_pool, sizeof (*entry));
-		g_hash_table_insert (task->lua_cache, (void *)key, entry);
+		g_hash_table_insert (task->lua_cache,
+				rspamd_mempool_strdup (task->task_pool, key), entry);
 	}
 
 	entry->ref = luaL_ref (L, LUA_REGISTRYINDEX);