tests/oss-fuzz/json_parser_target.c

   1 #include <config.h>
   2 #include "fuzzer.h"
   3 #include "jsonrpc.h"
   4 #include "openvswitch/json.h"
   5 #include "ovsdb-error.h"
   6 #include "ovsdb/table.h"
   7 #include <assert.h>
   8 #include <string.h>
   9
  10 int
  11 LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
  12 {
  13     if (!size || data[size - 1]) {
  14         return 0;
  15     }
  16
  17     struct json *j1 = json_from_string((const char *)data);
  18     if (j1->type == JSON_STRING) {
  19         json_destroy(j1);
  20         return 0;
  21     }
  22
  23     free(json_to_string(j1, JSSF_SORT | JSSF_PRETTY));
  24
  25     struct jsonrpc_msg *msg;
  26     char *error = jsonrpc_msg_from_json(j1, &msg); /* Frees 'j1'. */
  27     if (error) {
  28         free(error);
  29         return 0;
  30     }
  31
  32     struct json *j2 = jsonrpc_msg_to_json(msg); /* Frees 'msg'. */
  33     if (j2->type == JSON_STRING) {
  34         json_destroy(j2);
  35         return 0;
  36     }
  37
  38     free(json_to_string(j2, JSSF_SORT | JSSF_PRETTY));
  39     json_destroy(j2);
  40
  41     return 0;
  42 }