out_es: fix possible memory leak

castorsky · castorsky · commit 60d61802cafc · 2026-01-20T13:09:51.000+03:00
Used cleanup procedure for 'out_buf' and 'result' for the case when errors of JSON parsing occurred.

Signed-off-by: Castor Sky &lt;csky57@gmail.com&gt;
diff --git a/plugins/out_es/es.c b/plugins/out_es/es.c
@@ -702,7 +702,7 @@ static int elasticsearch_error_check(struct flb_elasticsearch *ctx,
         flb_plg_error(ctx->ins, "Cannot unpack response to find error\n%s",
                       c->resp.payload);
         check |= FLB_ES_STATUS_ERROR_UNPACK;
-        return check;
+        goto done;
     }
 
     root = result.data;

Original file line number	Diff line number	Diff line change
`@@ -702,7 +702,7 @@ static int elasticsearch_error_check(struct flb_elasticsearch *ctx,`
`702`	`702`	`flb_plg_error(ctx->ins, "Cannot unpack response to find error\n%s",`
`703`	`703`	`c->resp.payload);`
`704`	`704`	`check \|= FLB_ES_STATUS_ERROR_UNPACK;`
`705`		`- return check;`
	`705`	`+ goto done;`
`706`	`706`	`}`
`707`	`707`
`708`	`708`	`root = result.data;`