crypto/kdf/sshkdf.c:284: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 225, column 10 is not reachable after line 284, column 5.
Showing all 45 steps of the trace


crypto/kdf/sshkdf.c:213:1: start of procedure SSHKDF()
211.   };
212.   
213. > static int SSHKDF(const EVP_MD *evp_md,
214.                     const unsigned char *key, size_t key_len,
215.                     const unsigned char *xcghash, size_t xcghash_len,

crypto/kdf/sshkdf.c:219:5: 
217.                     char type, unsigned char *okey, size_t okey_len)
218.   {
219. >     EVP_MD_CTX *md = NULL;
220.       unsigned char digest[EVP_MAX_MD_SIZE];
221.       unsigned int dsize = 0;

crypto/kdf/sshkdf.c:221:5: 
219.       EVP_MD_CTX *md = NULL;
220.       unsigned char digest[EVP_MAX_MD_SIZE];
221. >     unsigned int dsize = 0;
222.       size_t cursize = 0;
223.       int ret = 0;

crypto/kdf/sshkdf.c:222:5: 
220.       unsigned char digest[EVP_MAX_MD_SIZE];
221.       unsigned int dsize = 0;
222. >     size_t cursize = 0;
223.       int ret = 0;
224.   

crypto/kdf/sshkdf.c:223:5: 
221.       unsigned int dsize = 0;
222.       size_t cursize = 0;
223. >     int ret = 0;
224.   
225.       md = EVP_MD_CTX_new();

crypto/kdf/sshkdf.c:225:5: 
223.       int ret = 0;
224.   
225. >     md = EVP_MD_CTX_new();
226.       if (md == NULL)
227.           return 0;

crypto/evp/digest.c:49:1: start of procedure EVP_MD_CTX_new()
  47.   }
  48.   
  49. > EVP_MD_CTX *EVP_MD_CTX_new(void)
  50.   {
  51.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));

crypto/evp/digest.c:51:5: 
  49.   EVP_MD_CTX *EVP_MD_CTX_new(void)
  50.   {
  51. >     return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  52.   }
  53.   

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:52:1: return from a call to EVP_MD_CTX_new
  50.   {
  51.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  52. > }
  53.   
  54.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)

crypto/kdf/sshkdf.c:226:9: Taking false branch
224.   
225.       md = EVP_MD_CTX_new();
226.       if (md == NULL)
               ^
227.           return 0;
228.   

crypto/kdf/sshkdf.c:229:10: Taking false branch
227.           return 0;
228.   
229.       if (!EVP_DigestInit_ex(md, evp_md, NULL))
                ^
230.           goto out;
231.   

crypto/kdf/sshkdf.c:232:10: 
230.           goto out;
231.   
232. >     if (!EVP_DigestUpdate(md, key, key_len))
233.           goto out;
234.   

crypto/evp/digest.c:151:1: start of procedure EVP_DigestUpdate()
  149.   }
  150.   
  151. > int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
  152.   {
  153.       return ctx->update(ctx, data, count);

crypto/evp/digest.c:153:5: Skipping __function_pointer__(): unresolved function pointer
  151.   int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
  152.   {
  153.       return ctx->update(ctx, data, count);
             ^
  154.   }
  155.   

crypto/evp/digest.c:154:1: return from a call to EVP_DigestUpdate
  152.   {
  153.       return ctx->update(ctx, data, count);
  154. > }
  155.   
  156.   /* The caller can assume that this removes any secret data from the context */

crypto/kdf/sshkdf.c:232:10: Taking true branch
230.           goto out;
231.   
232.       if (!EVP_DigestUpdate(md, key, key_len))
                ^
233.           goto out;
234.   

crypto/kdf/sshkdf.c:283:1: 
281.       ret = 1;
282.   
283. > out:
284.       EVP_MD_CTX_free(md);
285.       OPENSSL_cleanse(digest, EVP_MAX_MD_SIZE);

crypto/kdf/sshkdf.c:284:5: 
282.   
283.   out:
284. >     EVP_MD_CTX_free(md);
285.       OPENSSL_cleanse(digest, EVP_MAX_MD_SIZE);
286.       return ret;

crypto/evp/digest.c:54:1: start of procedure EVP_MD_CTX_free()
  52.   }
  53.   
  54. > void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  55.   {
  56.       EVP_MD_CTX_reset(ctx);

crypto/evp/digest.c:56:5: Skipping EVP_MD_CTX_reset(): empty list of specs
  54.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  55.   {
  56.       EVP_MD_CTX_reset(ctx);
            ^
  57.       OPENSSL_free(ctx);
  58.   }

crypto/evp/digest.c:57:5: 
  55.   {
  56.       EVP_MD_CTX_reset(ctx);
  57. >     OPENSSL_free(ctx);
  58.   }
  59.   

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:58:1: return from a call to EVP_MD_CTX_free
  56.       EVP_MD_CTX_reset(ctx);
  57.       OPENSSL_free(ctx);
  58. > }
  59.   
  60.   int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)
