crypto/ec/curve448/eddsa.c:34: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 26, column 27 is not reachable after line 34, column 9.
Showing all 42 steps of the trace


crypto/ec/curve448/eddsa.c:23:1: start of procedure oneshot_hash()
21.   #define COFACTOR 4
22.   
23. > static c448_error_t oneshot_hash(uint8_t *out, size_t outlen,
24.                                    const uint8_t *in, size_t inlen)
25.   {

crypto/ec/curve448/eddsa.c:26:5: 
24.                                    const uint8_t *in, size_t inlen)
25.   {
26. >     EVP_MD_CTX *hashctx = EVP_MD_CTX_new();
27.   
28.       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: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:28:9: Taking false branch
26.       EVP_MD_CTX *hashctx = EVP_MD_CTX_new();
27.   
28.       if (hashctx == NULL)
              ^
29.           return C448_FAILURE;
30.   

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

crypto/evp/m_sha3.c:182:1: start of procedure EVP_shake256()
  180.   
  181.   EVP_MD_SHAKE(128)
  182. > EVP_MD_SHAKE(256)

crypto/evp/m_sha3.c:182:1: return from a call to EVP_shake256
  180.   
  181.   EVP_MD_SHAKE(128)
  182. > EVP_MD_SHAKE(256)

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

crypto/ec/curve448/eddsa.c:32:13: 
30.   
31.       if (!EVP_DigestInit_ex(hashctx, EVP_shake256(), NULL)
32. >         || !EVP_DigestUpdate(hashctx, in, inlen)
33.           || !EVP_DigestFinalXOF(hashctx, out, outlen)) {
34.           EVP_MD_CTX_free(hashctx);

crypto/evp/digest.c:146:1: start of procedure EVP_DigestUpdate()
  144.   }
  145.   
  146. > int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
  147.   {
  148.       return ctx->update(ctx, data, count);

crypto/evp/digest.c:148:5: Skipping __function_pointer__(): unresolved function pointer
  146.   int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
  147.   {
  148.       return ctx->update(ctx, data, count);
             ^
  149.   }
  150.   

crypto/evp/digest.c:149:1: return from a call to EVP_DigestUpdate
  147.   {
  148.       return ctx->update(ctx, data, count);
  149. > }
  150.   
  151.   /* The caller can assume that this removes any secret data from the context */

crypto/ec/curve448/eddsa.c:32:13: Taking true branch
30.   
31.       if (!EVP_DigestInit_ex(hashctx, EVP_shake256(), NULL)
32.           || !EVP_DigestUpdate(hashctx, in, inlen)
                  ^
33.           || !EVP_DigestFinalXOF(hashctx, out, outlen)) {
34.           EVP_MD_CTX_free(hashctx);

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

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)

static c448_error_t oneshot_hash(uint8_t *out, size_t outlen,
                                 const uint8_t *in, size_t inlen)
{
    EVP_MD_CTX *hashctx = EVP_MD_CTX_new();
    if (hashctx == NULL)
        return C448_FAILURE;
    if (!EVP_DigestInit_ex(hashctx, EVP_shake256(), NULL)
        || !EVP_DigestUpdate(hashctx, in, inlen)
        || !EVP_DigestFinalXOF(hashctx, out, outlen)) {
        EVP_MD_CTX_free(hashctx);
        return C448_FAILURE;
    }
    EVP_MD_CTX_free(hashctx);
    return C448_SUCCESS;
}
['static c448_error_t oneshot_hash(uint8_t *out, size_t outlen,\n                                 const uint8_t *in, size_t inlen)\n{\n    EVP_MD_CTX *hashctx = EVP_MD_CTX_new();\n    if (hashctx == NULL)\n        return C448_FAILURE;\n    if (!EVP_DigestInit_ex(hashctx, EVP_shake256(), NULL)\n        || !EVP_DigestUpdate(hashctx, in, inlen)\n        || !EVP_DigestFinalXOF(hashctx, out, outlen)) {\n        EVP_MD_CTX_free(hashctx);\n        return C448_FAILURE;\n    }\n    EVP_MD_CTX_free(hashctx);\n    return C448_SUCCESS;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n    return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n    void *ret = CRYPTO_malloc(num, file, line);\n    FAILTEST();\n    if (ret != NULL)\n        memset(ret, 0, num);\n    return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n    void *ret = NULL;\n    INCREMENT(malloc_count);\n    if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n        return malloc_impl(num, file, line);\n    if (num == 0)\n        return NULL;\n    FAILTEST();\n    allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n        ret = malloc(num);\n        CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n    } else {\n        ret = malloc(num);\n    }\n#else\n    (void)(file); (void)(line);\n    ret = malloc(num);\n#endif\n    return ret;\n}', 'EVP_MD_SHAKE(256)', 'int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)\n{\n    return ctx->update(ctx, data, count);\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n    EVP_MD_CTX_reset(ctx);\n    OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n    INCREMENT(free_count);\n    if (free_impl != NULL && free_impl != &CRYPTO_free) {\n        free_impl(str, file, line);\n        return;\n    }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_free(str, 0, file, line);\n        free(str);\n        CRYPTO_mem_debug_free(str, 1, file, line);\n    } else {\n        free(str);\n    }\n#else\n    free(str);\n#endif\n}']