test/evp_test.c:1035: error: NULL_DEREFERENCE
  pointer `mdat` last assigned on line 1034 could be null and is dereferenced at line 1035, column 5.
Showing all 14 steps of the trace


test/evp_test.c:1023:1: start of procedure mac_test_init()
1021.   };
1022.   
1023. > static int mac_test_init(struct evp_test *t, const char *alg)
1024.   {
1025.       int type;

test/evp_test.c:1027:9: Taking true branch
1025.       int type;
1026.       struct mac_data *mdat;
1027.       if (strcmp(alg, "HMAC") == 0)
                ^
1028.           type = EVP_PKEY_HMAC;
1029.       else if (strcmp(alg, "CMAC") == 0)

test/evp_test.c:1028:9: 
1026.       struct mac_data *mdat;
1027.       if (strcmp(alg, "HMAC") == 0)
1028. >         type = EVP_PKEY_HMAC;
1029.       else if (strcmp(alg, "CMAC") == 0)
1030.           type = EVP_PKEY_CMAC;

test/evp_test.c:1034:5: 
1032.           return 0;
1033.   
1034. >     mdat = OPENSSL_malloc(sizeof(*mdat));
1035.       mdat->type = type;
1036.       mdat->alg = NULL;

crypto/mem.c:120:1: start of procedure CRYPTO_malloc()
  118.   }
  119.   
  120. > void *CRYPTO_malloc(size_t num, const char *file, int line)
  121.   {
  122.       void *ret = NULL;

crypto/mem.c:122:5: 
  120.   void *CRYPTO_malloc(size_t num, const char *file, int line)
  121.   {
  122. >     void *ret = NULL;
  123.   
  124.       if (num <= 0)

crypto/mem.c:124:9: Taking false branch
  122.       void *ret = NULL;
  123.   
  124.       if (num <= 0)
                 ^
  125.           return NULL;
  126.   

crypto/mem.c:127:5: 
  125.           return NULL;
  126.   
  127. >     allow_customize = 0;
  128.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
  129.       if (call_malloc_debug) {

crypto/mem.c:137:5: 
  135.       }
  136.   #else
  137. >     (void)file;
  138.       (void)line;
  139.       ret = malloc(num);

crypto/mem.c:138:5: 
  136.   #else
  137.       (void)file;
  138. >     (void)line;
  139.       ret = malloc(num);
  140.   #endif

crypto/mem.c:139:5: 
  137.       (void)file;
  138.       (void)line;
  139. >     ret = malloc(num);
  140.   #endif
  141.   

crypto/mem.c:154:5: 
  152.   #endif
  153.   
  154. >     return ret;
  155.   }
  156.   

crypto/mem.c:155:1: return from a call to CRYPTO_malloc
  153.   
  154.       return ret;
  155. > }
  156.   
  157.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

test/evp_test.c:1035:5: 
1033.   
1034.       mdat = OPENSSL_malloc(sizeof(*mdat));
1035. >     mdat->type = type;
1036.       mdat->alg = NULL;
1037.       mdat->key = NULL;
