log_cache: avoid double free by setting the log_cache pointer to NULL.

Signed-off-by: Phillip Whelan <[email protected]>
fluent · Jan 22, 2024 · 753591e · 753591e
1 parent c111f0d
commit 753591e
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diff --git a/src/flb_log.c b/src/flb_log.c
@@ -692,6 +692,7 @@ int flb_log_destroy(struct flb_log *log, struct flb_config *config)
     flb_pipe_destroy(log->ch_mng);
     if (log->worker->log_cache) {
         flb_log_cache_destroy(log->worker->log_cache);
+        log->worker->log_cache = NULL;
     }
     flb_log_worker_destroy(log->worker);
     flb_free(log->worker);

diff --git a/src/flb_worker.c b/src/flb_worker.c
@@ -142,6 +142,10 @@ void flb_worker_destroy(struct flb_worker *worker)
         return;
     }
 
+    if (worker->log_cache) {
+        flb_log_cache_destroy(worker->log_cache);
+        worker->log_cache = NULL;
+    }
     flb_log_worker_destroy(worker);
 
     mk_list_del(&worker->_head);