test/handshake_helper.c:333: error: NULL_DEREFERENCE
  pointer `ex_data` last assigned on line 331 could be null and is dereferenced at line 333, column 5.
Showing all 10 steps of the trace


test/handshake_helper.c:326:1: start of procedure do_not_call_session_ticket_cb()
324.   }
325.   
326. > static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name,
327.                                            unsigned char *iv,
328.                                            EVP_CIPHER_CTX *ctx,

test/handshake_helper.c:331:5: 
329.                                            HMAC_CTX *hctx, int enc)
330.   {
331. >     HANDSHAKE_EX_DATA *ex_data =
332.           (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
333.       ex_data->session_ticket_do_not_call = 1;

ssl/ssl_lib.c:4205:1: start of procedure SSL_get_ex_data()
  4203.   }
  4204.   
  4205. > void *SSL_get_ex_data(const SSL *s, int idx)
  4206.   {
  4207.       return CRYPTO_get_ex_data(&s->ex_data, idx);

ssl/ssl_lib.c:4207:5: 
  4205.   void *SSL_get_ex_data(const SSL *s, int idx)
  4206.   {
  4207. >     return CRYPTO_get_ex_data(&s->ex_data, idx);
  4208.   }
  4209.   

crypto/ex_data.c:394:1: start of procedure CRYPTO_get_ex_data()
    392.    * particular index in the class used by this variable
    393.    */
    394. > void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)
    395.   {
    396.       if (ad->sk == NULL || idx >= sk_void_num(ad->sk))

crypto/ex_data.c:396:9: Taking true branch
    394.   void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)
    395.   {
    396.       if (ad->sk == NULL || idx >= sk_void_num(ad->sk))
                   ^
    397.           return NULL;
    398.       return sk_void_value(ad->sk, idx);

crypto/ex_data.c:397:9: 
    395.   {
    396.       if (ad->sk == NULL || idx >= sk_void_num(ad->sk))
    397. >         return NULL;
    398.       return sk_void_value(ad->sk, idx);
    399.   }

crypto/ex_data.c:399:1: return from a call to CRYPTO_get_ex_data
    397.           return NULL;
    398.       return sk_void_value(ad->sk, idx);
    399. > }

ssl/ssl_lib.c:4208:1: return from a call to SSL_get_ex_data
  4206.   {
  4207.       return CRYPTO_get_ex_data(&s->ex_data, idx);
  4208. > }
  4209.   
  4210.   int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg)

test/handshake_helper.c:333:5: 
331.       HANDSHAKE_EX_DATA *ex_data =
332.           (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
333. >     ex_data->session_ticket_do_not_call = 1;
334.       return 0;
335.   }
