crypto/ec/curve448/eddsa.c:283: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 273, column 31 is not reachable after line 283, column 13.
Showing all 44 steps of the trace


crypto/ec/curve448/eddsa.c:249:1: start of procedure c448_ed448_verify()
247.   }
248.   
249. > c448_error_t c448_ed448_verify(
250.                       const uint8_t signature[EDDSA_448_SIGNATURE_BYTES],
251.                       const uint8_t pubkey[EDDSA_448_PUBLIC_BYTES],

crypto/ec/curve448/eddsa.c:257:5: Skipping curve448_point_decode_like_eddsa_and_mul_by_ratio(): empty list of specs
255.   {
256.       curve448_point_t pk_point, r_point;
257.       c448_error_t error =
           ^
258.           curve448_point_decode_like_eddsa_and_mul_by_ratio(pk_point, pubkey);
259.       curve448_scalar_t challenge_scalar;

crypto/ec/curve448/eddsa.c:263:9: Taking false branch
261.       unsigned int c;
262.   
263.       if (C448_SUCCESS != error)
               ^
264.           return error;
265.   

crypto/ec/curve448/eddsa.c:266:5: Skipping curve448_point_decode_like_eddsa_and_mul_by_ratio(): empty list of specs
264.           return error;
265.   
266.       error =
           ^
267.           curve448_point_decode_like_eddsa_and_mul_by_ratio(r_point, signature);
268.       if (C448_SUCCESS != error)

crypto/ec/curve448/eddsa.c:268:9: Taking false branch
266.       error =
267.           curve448_point_decode_like_eddsa_and_mul_by_ratio(r_point, signature);
268.       if (C448_SUCCESS != error)
               ^
269.           return error;
270.   

crypto/ec/curve448/eddsa.c:273:9: 
271.       {
272.           /* Compute the challenge */
273. >         EVP_MD_CTX *hashctx = EVP_MD_CTX_new();
274.           uint8_t challenge[2 * EDDSA_448_PRIVATE_BYTES];
275.   

crypto/evp/digest.c:44:1: start of procedure EVP_MD_CTX_new()
  42.   }
  43.   
  44. > EVP_MD_CTX *EVP_MD_CTX_new(void)
  45.   {
  46.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));

crypto/evp/digest.c:46:5: 
  44.   EVP_MD_CTX *EVP_MD_CTX_new(void)
  45.   {
  46. >     return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  47.   }
  48.   

crypto/mem.c:221:1: start of procedure CRYPTO_zalloc()
    219.   }
    220.   
    221. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    222.   {
    223.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:223:5: 
    221.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    222.   {
    223. >     void *ret = CRYPTO_malloc(num, file, line);
    224.   
    225.       FAILTEST();

crypto/mem.c:192:1: start of procedure CRYPTO_malloc()
      190.   #endif
      191.   
      192. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      193.   {
      194.       void *ret = NULL;

crypto/mem.c:194:5: 
      192.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      193.   {
      194. >     void *ret = NULL;
      195.   
      196.       INCREMENT(malloc_count);

crypto/mem.c:197:9: Taking false branch
      195.   
      196.       INCREMENT(malloc_count);
      197.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      198.           return malloc_impl(num, file, line);
      199.   

crypto/mem.c:200:9: Taking false branch
      198.           return malloc_impl(num, file, line);
      199.   
      200.       if (num == 0)
                     ^
      201.           return NULL;
      202.   

crypto/mem.c:204:5: 
      202.   
      203.       FAILTEST();
      204. >     allow_customize = 0;
      205.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      206.       if (call_malloc_debug) {

crypto/mem.c:214:5: 
      212.       }
      213.   #else
      214. >     (void)(file); (void)(line);
      215.       ret = malloc(num);
      216.   #endif

crypto/mem.c:214:19: 
      212.       }
      213.   #else
      214. >     (void)(file); (void)(line);
      215.       ret = malloc(num);
      216.   #endif

crypto/mem.c:215:5: 
      213.   #else
      214.       (void)(file); (void)(line);
      215. >     ret = malloc(num);
      216.   #endif
      217.   

crypto/mem.c:218:5: 
      216.   #endif
      217.   
      218. >     return ret;
      219.   }
      220.   

crypto/mem.c:219:1: return from a call to CRYPTO_malloc
      217.   
      218.       return ret;
      219. > }
      220.   
      221.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:226:9: Taking true branch
    224.   
    225.       FAILTEST();
    226.       if (ret != NULL)
                   ^
    227.           memset(ret, 0, num);
    228.       return ret;

crypto/mem.c:227:9: 
    225.       FAILTEST();
    226.       if (ret != NULL)
    227. >         memset(ret, 0, num);
    228.       return ret;
    229.   }

crypto/mem.c:228:5: 
    226.       if (ret != NULL)
    227.           memset(ret, 0, num);
    228. >     return ret;
    229.   }
    230.   

crypto/mem.c:229:1: return from a call to CRYPTO_zalloc
    227.           memset(ret, 0, num);
    228.       return ret;
    229. > }
    230.   
    231.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:47:1: return from a call to EVP_MD_CTX_new
  45.   {
  46.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  47. > }
  48.   
  49.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)

crypto/ec/curve448/eddsa.c:276:13: Taking false branch
274.           uint8_t challenge[2 * EDDSA_448_PRIVATE_BYTES];
275.   
276.           if (hashctx == NULL
                   ^
277.                   || !hash_init_with_dom(hashctx, prehashed, 0, context,
278.                                          context_len)

crypto/ec/curve448/eddsa.c:277:21: 
275.   
276.           if (hashctx == NULL
277. >                 || !hash_init_with_dom(hashctx, prehashed, 0, context,
278.                                          context_len)
279.                   || !EVP_DigestUpdate(hashctx, signature, EDDSA_448_PUBLIC_BYTES)

crypto/ec/curve448/eddsa.c:56:1: start of procedure hash_init_with_dom()
  54.   }
  55.   
  56. > static c448_error_t hash_init_with_dom(EVP_MD_CTX *hashctx, uint8_t prehashed,
  57.                                          uint8_t for_prehash,
  58.                                          const uint8_t *context,

crypto/ec/curve448/eddsa.c:61:5: 
  59.                                          size_t context_len)
  60.   {
  61. >     const char *dom_s = "SigEd448";
  62.       uint8_t dom[2];
  63.   

crypto/ec/curve448/eddsa.c:64:9: Taking true branch
  62.       uint8_t dom[2];
  63.   
  64.       if (context_len > UINT8_MAX)
                ^
  65.           return C448_FAILURE;
  66.   

crypto/ec/curve448/eddsa.c:65:9: 
  63.   
  64.       if (context_len > UINT8_MAX)
  65. >         return C448_FAILURE;
  66.   
  67.       dom[0] = (uint8_t)(2 - (prehashed == 0 ? 1 : 0)

crypto/ec/curve448/eddsa.c:78:1: return from a call to hash_init_with_dom
  76.   
  77.       return C448_SUCCESS;
  78. > }
  79.   
  80.   /* In this file because it uses the hash */

crypto/ec/curve448/eddsa.c:277:21: Taking true branch
275.   
276.           if (hashctx == NULL
277.                   || !hash_init_with_dom(hashctx, prehashed, 0, context,
                           ^
278.                                          context_len)
279.                   || !EVP_DigestUpdate(hashctx, signature, EDDSA_448_PUBLIC_BYTES)

crypto/ec/curve448/eddsa.c:283:13: 
281.                   || !EVP_DigestUpdate(hashctx, message, message_len)
282.                   || !EVP_DigestFinalXOF(hashctx, challenge, sizeof(challenge))) {
283. >             EVP_MD_CTX_free(hashctx);
284.               return C448_FAILURE;
285.           }

crypto/evp/digest.c:49:1: start of procedure EVP_MD_CTX_free()
  47.   }
  48.   
  49. > void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  50.   {
  51.       EVP_MD_CTX_reset(ctx);

crypto/evp/digest.c:51:5: Skipping EVP_MD_CTX_reset(): empty list of specs
  49.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  50.   {
  51.       EVP_MD_CTX_reset(ctx);
            ^
  52.       OPENSSL_free(ctx);
  53.   }

crypto/evp/digest.c:52:5: 
  50.   {
  51.       EVP_MD_CTX_reset(ctx);
  52. >     OPENSSL_free(ctx);
  53.   }
  54.   

crypto/mem.c:289:1: start of procedure CRYPTO_free()
    287.   }
    288.   
    289. > void CRYPTO_free(void *str, const char *file, int line)
    290.   {
    291.       INCREMENT(free_count);

crypto/mem.c:292:9: Taking true branch
    290.   {
    291.       INCREMENT(free_count);
    292.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    293.           free_impl(str, file, line);
    294.           return;

crypto/mem.c:292:30: Taking true branch
    290.   {
    291.       INCREMENT(free_count);
    292.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    293.           free_impl(str, file, line);
    294.           return;

crypto/mem.c:293:9: Skipping __function_pointer__(): unresolved function pointer
    291.       INCREMENT(free_count);
    292.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    293.           free_impl(str, file, line);
                   ^
    294.           return;
    295.       }

crypto/mem.c:294:9: 
    292.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    293.           free_impl(str, file, line);
    294. >         return;
    295.       }
    296.   

crypto/mem.c:308:1: return from a call to CRYPTO_free
    306.       free(str);
    307.   #endif
    308. > }
    309.   
    310.   void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:53:1: return from a call to EVP_MD_CTX_free
  51.       EVP_MD_CTX_reset(ctx);
  52.       OPENSSL_free(ctx);
  53. > }
  54.   
  55.   int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)
