crypto/ec/curve448/eddsa.c:226: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 134, column 27 is not reachable after line 226, column 5.
Showing all 72 steps of the trace


crypto/ec/curve448/eddsa.c:125:1: start of procedure c448_ed448_sign()
123.   }
124.   
125. > c448_error_t c448_ed448_sign(
126.                           uint8_t signature[EDDSA_448_SIGNATURE_BYTES],
127.                           const uint8_t privkey[EDDSA_448_PRIVATE_BYTES],

crypto/ec/curve448/eddsa.c:134:5: 
132.   {
133.       curve448_scalar_t secret_scalar;
134. >     EVP_MD_CTX *hashctx = EVP_MD_CTX_new();
135.       c448_error_t ret = C448_FAILURE;
136.       curve448_scalar_t nonce_scalar;

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:228:1: start of procedure CRYPTO_zalloc()
    226.   }
    227.   
    228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    229.   {
    230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:5: 
    228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    229.   {
    230. >     void *ret = CRYPTO_malloc(num, file, line);
    231.   
    232.       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:204:9: Taking true branch
      202.   
      203.       FAILTEST();
      204.       if (allow_customize) {
                     ^
      205.           /*
      206.            * Disallow customization after the first allocation. We only set this

crypto/mem.c:210:9: 
      208.            * allocation.
      209.            */
      210. >         allow_customize = 0;
      211.       }
      212.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG

crypto/mem.c:221:5: 
      219.       }
      220.   #else
      221. >     (void)(file); (void)(line);
      222.       ret = malloc(num);
      223.   #endif

crypto/mem.c:221:19: 
      219.       }
      220.   #else
      221. >     (void)(file); (void)(line);
      222.       ret = malloc(num);
      223.   #endif

crypto/mem.c:222:5: 
      220.   #else
      221.       (void)(file); (void)(line);
      222. >     ret = malloc(num);
      223.   #endif
      224.   

crypto/mem.c:225:5: 
      223.   #endif
      224.   
      225. >     return ret;
      226.   }
      227.   

crypto/mem.c:226:1: return from a call to CRYPTO_malloc
      224.   
      225.       return ret;
      226. > }
      227.   
      228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:233:9: Taking true branch
    231.   
    232.       FAILTEST();
    233.       if (ret != NULL)
                   ^
    234.           memset(ret, 0, num);
    235.       return ret;

crypto/mem.c:234:9: 
    232.       FAILTEST();
    233.       if (ret != NULL)
    234. >         memset(ret, 0, num);
    235.       return ret;
    236.   }

crypto/mem.c:235:5: 
    233.       if (ret != NULL)
    234.           memset(ret, 0, num);
    235. >     return ret;
    236.   }
    237.   

crypto/mem.c:236:1: return from a call to CRYPTO_zalloc
    234.           memset(ret, 0, num);
    235.       return ret;
    236. > }
    237.   
    238.   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:135:5: 
133.       curve448_scalar_t secret_scalar;
134.       EVP_MD_CTX *hashctx = EVP_MD_CTX_new();
135. >     c448_error_t ret = C448_FAILURE;
136.       curve448_scalar_t nonce_scalar;
137.       uint8_t nonce_point[EDDSA_448_PUBLIC_BYTES] = { 0 };

crypto/ec/curve448/eddsa.c:137:5: 
135.       c448_error_t ret = C448_FAILURE;
136.       curve448_scalar_t nonce_scalar;
137. >     uint8_t nonce_point[EDDSA_448_PUBLIC_BYTES] = { 0 };
138.       unsigned int c;
139.       curve448_scalar_t challenge_scalar;

crypto/ec/curve448/eddsa.c:141:9: Taking false branch
139.       curve448_scalar_t challenge_scalar;
140.   
141.       if (hashctx == NULL)
               ^
142.           return C448_FAILURE;
143.   

crypto/ec/curve448/eddsa.c:151:14: 
149.           uint8_t expanded[EDDSA_448_PRIVATE_BYTES * 2];
150.   
151. >         if (!oneshot_hash(expanded, sizeof(expanded), privkey,
152.                             EDDSA_448_PRIVATE_BYTES))
153.               goto err;

crypto/ec/curve448/eddsa.c:22:1: start of procedure oneshot_hash()
  20.   #define COFACTOR 4
  21.   
  22. > static c448_error_t oneshot_hash(uint8_t *out, size_t outlen,
  23.                                    const uint8_t *in, size_t inlen)
  24.   {

crypto/ec/curve448/eddsa.c:25:5: 
  23.                                    const uint8_t *in, size_t inlen)
  24.   {
  25. >     EVP_MD_CTX *hashctx = EVP_MD_CTX_new();
  26.   
  27.       if (hashctx == NULL)

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:228:1: start of procedure CRYPTO_zalloc()
      226.   }
      227.   
      228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
      229.   {
      230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:5: 
      228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
      229.   {
      230. >     void *ret = CRYPTO_malloc(num, file, line);
      231.   
      232.       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 true 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:197:32: Taking true 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:198:9: Skipping __function_pointer__(): unresolved function pointer
        196.       INCREMENT(malloc_count);
        197.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
        198.           return malloc_impl(num, file, line);
                       ^
        199.   
        200.       if (num == 0)

crypto/mem.c:226:1: return from a call to CRYPTO_malloc
        224.   
        225.       return ret;
        226. > }
        227.   
        228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:233:9: Taking true branch
      231.   
      232.       FAILTEST();
      233.       if (ret != NULL)
                     ^
      234.           memset(ret, 0, num);
      235.       return ret;

crypto/mem.c:234:9: 
      232.       FAILTEST();
      233.       if (ret != NULL)
      234. >         memset(ret, 0, num);
      235.       return ret;
      236.   }

crypto/mem.c:235:5: 
      233.       if (ret != NULL)
      234.           memset(ret, 0, num);
      235. >     return ret;
      236.   }
      237.   

crypto/mem.c:236:1: return from a call to CRYPTO_zalloc
      234.           memset(ret, 0, num);
      235.       return ret;
      236. > }
      237.   
      238.   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:27:9: Taking false branch
  25.       EVP_MD_CTX *hashctx = EVP_MD_CTX_new();
  26.   
  27.       if (hashctx == NULL)
                ^
  28.           return C448_FAILURE;
  29.   

crypto/ec/curve448/eddsa.c:30:10: 
  28.           return C448_FAILURE;
  29.   
  30. >     if (!EVP_DigestInit_ex(hashctx, EVP_shake256(), NULL)
  31.               || !EVP_DigestUpdate(hashctx, in, inlen)
  32.               || !EVP_DigestFinalXOF(hashctx, out, outlen)) {

crypto/evp/m_sha3.c:406:1: start of procedure EVP_shake256()
    404.   
    405.   EVP_MD_SHAKE(128)
    406. > EVP_MD_SHAKE(256)

crypto/evp/m_sha3.c:406:1: return from a call to EVP_shake256
    404.   
    405.   EVP_MD_SHAKE(128)
    406. > EVP_MD_SHAKE(256)

crypto/ec/curve448/eddsa.c:30:10: Taking true branch
  28.           return C448_FAILURE;
  29.   
  30.       if (!EVP_DigestInit_ex(hashctx, EVP_shake256(), NULL)
                 ^
  31.               || !EVP_DigestUpdate(hashctx, in, inlen)
  32.               || !EVP_DigestFinalXOF(hashctx, out, outlen)) {

crypto/ec/curve448/eddsa.c:33:9: 
  31.               || !EVP_DigestUpdate(hashctx, in, inlen)
  32.               || !EVP_DigestFinalXOF(hashctx, out, outlen)) {
  33. >         EVP_MD_CTX_free(hashctx);
  34.           return C448_FAILURE;
  35.       }

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:295:1: start of procedure CRYPTO_free()
      293.   }
      294.   
      295. > void CRYPTO_free(void *str, const char *file, int line)
      296.   {
      297.       INCREMENT(free_count);

crypto/mem.c:298:9: Taking false branch
      296.   {
      297.       INCREMENT(free_count);
      298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                     ^
      299.           free_impl(str, file, line);
      300.           return;

crypto/mem.c:312:5: 
      310.       }
      311.   #else
      312. >     free(str);
      313.   #endif
      314.   }

crypto/mem.c:314:1: return from a call to CRYPTO_free
      312.       free(str);
      313.   #endif
      314. > }
      315.   
      316.   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)

crypto/ec/curve448/eddsa.c:34:9: 
  32.               || !EVP_DigestFinalXOF(hashctx, out, outlen)) {
  33.           EVP_MD_CTX_free(hashctx);
  34. >         return C448_FAILURE;
  35.       }
  36.   

crypto/ec/curve448/eddsa.c:39:1: return from a call to oneshot_hash
  37.       EVP_MD_CTX_free(hashctx);
  38.       return C448_SUCCESS;
  39. > }
  40.   
  41.   static void clamp(uint8_t secret_scalar_ser[EDDSA_448_PRIVATE_BYTES])

crypto/ec/curve448/eddsa.c:151:14: Taking true branch
149.           uint8_t expanded[EDDSA_448_PRIVATE_BYTES * 2];
150.   
151.           if (!oneshot_hash(expanded, sizeof(expanded), privkey,
                    ^
152.                             EDDSA_448_PRIVATE_BYTES))
153.               goto err;

crypto/ec/curve448/eddsa.c:225:2: 
223.   
224.       ret = C448_SUCCESS;
225. >  err:
226.       EVP_MD_CTX_free(hashctx);
227.       return ret;

crypto/ec/curve448/eddsa.c:226:5: 
224.       ret = C448_SUCCESS;
225.    err:
226. >     EVP_MD_CTX_free(hashctx);
227.       return ret;
228.   }

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:295:1: start of procedure CRYPTO_free()
    293.   }
    294.   
    295. > void CRYPTO_free(void *str, const char *file, int line)
    296.   {
    297.       INCREMENT(free_count);

crypto/mem.c:298:9: Taking true branch
    296.   {
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    299.           free_impl(str, file, line);
    300.           return;

crypto/mem.c:298:30: Taking true branch
    296.   {
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    299.           free_impl(str, file, line);
    300.           return;

crypto/mem.c:299:9: Skipping __function_pointer__(): unresolved function pointer
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    299.           free_impl(str, file, line);
                   ^
    300.           return;
    301.       }

crypto/mem.c:300:9: 
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    299.           free_impl(str, file, line);
    300. >         return;
    301.       }
    302.   

crypto/mem.c:314:1: return from a call to CRYPTO_free
    312.       free(str);
    313.   #endif
    314. > }
    315.   
    316.   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)
