From 01fbc129a5749e3d3f6f3082e7ed7154015a0527 Mon Sep 17 00:00:00 2001
From: Jean-Roland <jean.roland.gosse@gmail.com>
Date: Tue, 3 Dec 2024 15:02:35 +0100
Subject: [PATCH] fix: queryables issues

---
 src/collections/bytes.c |  2 +-
 src/net/encoding.c      |  2 +-
 src/net/query.c         |  2 +-
 src/session/queryable.c | 10 +++++++++-
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/collections/bytes.c b/src/collections/bytes.c
index aa81f07f0..5f8ab571c 100644
--- a/src/collections/bytes.c
+++ b/src/collections/bytes.c
@@ -33,7 +33,7 @@ z_result_t _z_bytes_copy(_z_bytes_t *dst, const _z_bytes_t *src) {
 
 _z_bytes_t _z_bytes_alias(const _z_bytes_t src) {
     _z_bytes_t dst;
-    dst._slices = _z_arc_slice_svec_alias(&src._slices);
+    dst._slices = src._slices;
     return dst;
 }
 
diff --git a/src/net/encoding.c b/src/net/encoding.c
index 5349d3155..49d2e4794 100644
--- a/src/net/encoding.c
+++ b/src/net/encoding.c
@@ -59,7 +59,7 @@ _z_encoding_t _z_encoding_alias(_z_encoding_t src) {
     _z_encoding_t dst;
     dst.id = src.id;
     if (_z_string_check(&src.schema)) {
-        _z_string_alias(src.schema);
+        dst.schema = _z_string_alias(src.schema);
     } else {
         dst.schema = _z_string_null();
     }
diff --git a/src/net/query.c b/src/net/query.c
index 219e04d12..817e94a59 100644
--- a/src/net/query.c
+++ b/src/net/query.c
@@ -29,7 +29,7 @@ static void _z_query_clear_inner(_z_query_t *q) {
 z_result_t _z_query_send_reply_final(_z_query_t *q) {
     // Try to upgrade session weak to rc
     _z_session_rc_t sess_rc = _z_session_weak_upgrade_if_open(&q->_zn);
-    if (!_Z_RC_IS_NULL(&sess_rc)) {
+    if (_Z_RC_IS_NULL(&sess_rc)) {
         return _Z_ERR_TRANSPORT_TX_FAILED;
     }
     _z_zenoh_message_t z_msg = _z_n_msg_make_response_final(q->_request_id);
diff --git a/src/session/queryable.c b/src/session/queryable.c
index 8c9e56895..7b024b3e9 100644
--- a/src/session/queryable.c
+++ b/src/session/queryable.c
@@ -200,7 +200,7 @@ static z_result_t _z_session_queryable_get_infos(_z_session_t *zn, const _z_keye
     return _Z_RES_OK;
 }
 
-static z_result_t _z_trigger_queryables_inner(_z_session_rc_t *zsrc, _z_msg_query_t *msgq, const _z_keyexpr_t *q_key,
+static z_result_t _z_trigger_queryables_inner(_z_session_rc_t *zsrc, _z_msg_query_t *msgq, _z_keyexpr_t *q_key,
                                               uint32_t qid) {
     _z_session_t *zn = _Z_RC_IN_VAL(zsrc);
     _z_keyexpr_t key;
@@ -227,6 +227,14 @@ static z_result_t _z_trigger_queryables_inner(_z_session_rc_t *zsrc, _z_msg_quer
     _z_query_t q =
         _z_query_alias(&msgq->_ext_value, &key, &msgq->_parameters, zsrc, qid, &msgq->_ext_attachment, anyke);
     _z_query_rc_t query = _z_query_rc_new_from_val(&q);
+    if (_Z_RC_IS_NULL(&query)) {
+        return _Z_ERR_SYSTEM_OUT_OF_MEMORY;
+    }
+    // Clear values to avoid double free
+    *q_key = _z_keyexpr_null();
+    msgq->_ext_value = _z_value_null();
+    msgq->_ext_attachment = _z_bytes_null();
+    msgq->_parameters = _z_slice_null();
     // Parse session_queryable svec
     for (size_t i = 0; i < qle_nb; i++) {
         _z_queryable_infos_t *qle_info = _z_queryable_infos_svec_get(&qles, i);