diff --git a/apps/app_queue.c b/apps/app_queue.c index a2447d43eb..7f34d1fc30 100644 --- a/apps/app_queue.c +++ b/apps/app_queue.c @@ -3047,6 +3047,17 @@ static int try_calling(struct queue_ent *qe, const char *options, char *announce if (need_weight) AST_LIST_UNLOCK(&queues); lpeer = wait_for_answer(qe, outgoing, &to, &digit, numbusies, ast_test_flag(&(bridge_config.features_caller), AST_FEATURE_DISCONNECT), forwardsallowed); + /* The ast_channel_datastore_remove() function could fail here if the + * datastore was moved to another channel during a masquerade. If this is + * the case, don't free the datastore here because later, when the channel + * to which the datastore was moved hangs up, it will attempt to free this + * datastore again, causing a crash + */ + ast_channel_lock(qe->chan); + if (datastore && !ast_channel_datastore_remove(qe->chan, datastore)) { + ast_channel_datastore_free(datastore); + } + ast_channel_unlock(qe->chan); ao2_lock(qe->parent); if (qe->parent->strategy == QUEUE_STRATEGY_RRMEMORY || qe->parent->strategy == QUEUE_STRATEGY_RRORDERED) { store_next(qe, outgoing);