parser: json: fix double-free (#3453)

Signed-off-by: davkor <david@adalogics.com>
fluent · May 6, 2021 · 22346a7 · 22346a7
1 parent 592d401
commit 22346a7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/flb_parser_json.c b/src/flb_parser_json.c
@@ -111,6 +111,7 @@ int flb_parser_json_do(struct flb_parser *parser,
     *out_size = tmp_out_size;
     if (mp_buf != tmp_out_buf) {
         flb_free(mp_buf);
+        mp_buf = NULL;
     }
 
     /* Do time resolution ? */
@@ -141,6 +142,7 @@ int flb_parser_json_do(struct flb_parser *parser,
         /* Ensure the pointer we are about to read is not NULL */
         if (k->via.str.ptr == NULL) {
             flb_free(mp_buf);
+            flb_free(tmp_out_buf);
             *out_buf = NULL;
             msgpack_unpacked_destroy(&result);
             return -1;