test/evp_test.c:855: error: NULL_DEREFERENCE
  pointer `mdat` last assigned on line 854 could be null and is dereferenced at line 855, column 5.
Showing all 16 steps of the trace


test/evp_test.c:823:1: start of procedure mac_test_init()
821.   } MAC_DATA;
822.   
823. > static int mac_test_init(EVP_TEST *t, const char *alg)
824.   {
825.       int type;

test/evp_test.c:828:9: Taking true branch
826.       MAC_DATA *mdat;
827.   
828.       if (strcmp(alg, "HMAC") == 0) {
               ^
829.           type = EVP_PKEY_HMAC;
830.       } else if (strcmp(alg, "CMAC") == 0) {

test/evp_test.c:829:9: 
827.   
828.       if (strcmp(alg, "HMAC") == 0) {
829. >         type = EVP_PKEY_HMAC;
830.       } else if (strcmp(alg, "CMAC") == 0) {
831.   #ifndef OPENSSL_NO_CMAC

test/evp_test.c:854:5: 
852.           return 0;
853.   
854. >     mdat = OPENSSL_zalloc(sizeof(*mdat));
855.       mdat->type = type;
856.       t->data = mdat;

crypto/mem.c:186:1: start of procedure CRYPTO_zalloc()
  184.   }
  185.   
  186. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
  187.   {
  188.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:188:5: 
  186.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
  187.   {
  188. >     void *ret = CRYPTO_malloc(num, file, line);
  189.   
  190.       FAILTEST();

crypto/mem.c:158:1: start of procedure CRYPTO_malloc()
    156.   #endif
    157.   
    158. > void *CRYPTO_malloc(size_t num, const char *file, int line)
    159.   {
    160.       void *ret = NULL;

crypto/mem.c:160:5: 
    158.   void *CRYPTO_malloc(size_t num, const char *file, int line)
    159.   {
    160. >     void *ret = NULL;
    161.   
    162.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:162:9: Taking true branch
    160.       void *ret = NULL;
    161.   
    162.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                   ^
    163.           return malloc_impl(num, file, line);
    164.   

crypto/mem.c:162:32: Taking true branch
    160.       void *ret = NULL;
    161.   
    162.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                                          ^
    163.           return malloc_impl(num, file, line);
    164.   

crypto/mem.c:163:9: Skipping __function_pointer__(): unresolved function pointer
    161.   
    162.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
    163.           return malloc_impl(num, file, line);
                   ^
    164.   
    165.       if (num == 0)

crypto/mem.c:184:1: return from a call to CRYPTO_malloc
    182.   
    183.       return ret;
    184. > }
    185.   
    186.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:191:9: Taking false branch
  189.   
  190.       FAILTEST();
  191.       if (ret != NULL)
                 ^
  192.           memset(ret, 0, num);
  193.       return ret;

crypto/mem.c:193:5: 
  191.       if (ret != NULL)
  192.           memset(ret, 0, num);
  193. >     return ret;
  194.   }
  195.   

crypto/mem.c:194:1: return from a call to CRYPTO_zalloc
  192.           memset(ret, 0, num);
  193.       return ret;
  194. > }
  195.   
  196.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

test/evp_test.c:855:5: 
853.   
854.       mdat = OPENSSL_zalloc(sizeof(*mdat));
855. >     mdat->type = type;
856.       t->data = mdat;
857.       return 1;
