[Fix] Fix memory leak in expression destroying

diff --git a/src/libutil/expression.c b/src/libutil/expression.c
index e42800608ffbd37cd526b25a488114533cc8b327..8562ca36c4d31b2ef67cacfe740453653027c695 100644 (file)
--- a/src/libutil/expression.c
+++ b/src/libutil/expression.c
@@ -357,6 +357,7 @@ rspamd_expression_destroy (struct rspamd_expression *expr)
                g_array_free (expr->expressions, TRUE);
                g_ptr_array_free (expr->expression_stack, TRUE);
                g_node_destroy (expr->ast);
+               g_slice_free1 (sizeof (*expr), expr);
        }
 }