test/drbgtest.c:135: error: NULL_DEREFERENCE
  pointer `t` last assigned on line 133 could be null and is dereferenced at line 135, column 5.
Showing all 10 steps of the trace


test/drbgtest.c:130:1: start of procedure kat_nonce()
128.   }
129.   
130. > static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout,
131.                           int entropy, size_t min_len, size_t max_len)
132.   {

test/drbgtest.c:133:5: 
131.                           int entropy, size_t min_len, size_t max_len)
132.   {
133. >     TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);
134.   
135.       t->noncecnt++;

crypto/rand/drbg_lib.c:775:1: start of procedure RAND_DRBG_get_ex_data()
  773.   }
  774.   
  775. > void *RAND_DRBG_get_ex_data(const RAND_DRBG *drbg, int idx)
  776.   {
  777.       return CRYPTO_get_ex_data(&drbg->ex_data, idx);

crypto/rand/drbg_lib.c:777:5: 
  775.   void *RAND_DRBG_get_ex_data(const RAND_DRBG *drbg, int idx)
  776.   {
  777. >     return CRYPTO_get_ex_data(&drbg->ex_data, idx);
  778.   }
  779.   

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

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

crypto/ex_data.c:396:9: 
    394.   {
    395.       if (ad->sk == NULL || idx >= sk_void_num(ad->sk))
    396. >         return NULL;
    397.       return sk_void_value(ad->sk, idx);
    398.   }

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

crypto/rand/drbg_lib.c:778:1: return from a call to RAND_DRBG_get_ex_data
  776.   {
  777.       return CRYPTO_get_ex_data(&drbg->ex_data, idx);
  778. > }
  779.   
  780.   

test/drbgtest.c:135:5: 
133.       TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);
134.   
135. >     t->noncecnt++;
136.       *pout = (unsigned char *)t->nonce;
137.       return t->noncelen;

static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout,
                        int entropy, size_t min_len, size_t max_len)
{
    TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);
    t->noncecnt++;
    *pout = (unsigned char *)t->nonce;
    return t->noncelen;
}
['static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout,\n                        int entropy, size_t min_len, size_t max_len)\n{\n    TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);\n    t->noncecnt++;\n    *pout = (unsigned char *)t->nonce;\n    return t->noncelen;\n}', 'void *RAND_DRBG_get_ex_data(const RAND_DRBG *drbg, int idx)\n{\n    return CRYPTO_get_ex_data(&drbg->ex_data, idx);\n}', 'void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)\n{\n    if (ad->sk == NULL || idx >= sk_void_num(ad->sk))\n        return NULL;\n    return sk_void_value(ad->sk, idx);\n}']