crypto/pem/pvkfmt.c:647: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 638, column 24 is not reachable after line 647, column 5.
Showing all 40 steps of the trace


crypto/pem/pvkfmt.c:634:1: start of procedure derive_pvk_key()
632.   }
633.   
634. > static int derive_pvk_key(unsigned char *key,
635.                             const unsigned char *salt, unsigned int saltlen,
636.                             const unsigned char *pass, int passlen)

crypto/pem/pvkfmt.c:638:5: 
636.                             const unsigned char *pass, int passlen)
637.   {
638. >     EVP_MD_CTX *mctx = EVP_MD_CTX_new();
639.       int rv = 1;
640.       if (mctx == 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:98:1: start of procedure CRYPTO_zalloc()
    96.   }
    97.   
    98. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    99.   {
    100.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:100:5: 
    98.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    99.   {
    100. >     void *ret = CRYPTO_malloc(num, file, line);
    101.   
    102.       if (ret != NULL)

crypto/mem.c:71:1: start of procedure CRYPTO_malloc()
      69.   }
      70.   
      71. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      72.   {
      73.       void *ret = NULL;

crypto/mem.c:73:5: 
      71.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      72.   {
      73. >     void *ret = NULL;
      74.   
      75.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:75:9: Taking false branch
      73.       void *ret = NULL;
      74.   
      75.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                    ^
      76.           return malloc_impl(num, file, line);
      77.   

crypto/mem.c:78:9: Taking false branch
      76.           return malloc_impl(num, file, line);
      77.   
      78.       if (num <= 0)
                    ^
      79.           return NULL;
      80.   

crypto/mem.c:81:5: 
      79.           return NULL;
      80.   
      81. >     allow_customize = 0;
      82.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      83.       if (call_malloc_debug) {

crypto/mem.c:91:5: 
      89.       }
      90.   #else
      91. >     osslargused(file); osslargused(line);
      92.       ret = malloc(num);
      93.   #endif

crypto/mem.c:91:24: 
      89.       }
      90.   #else
      91. >     osslargused(file); osslargused(line);
      92.       ret = malloc(num);
      93.   #endif

crypto/mem.c:92:5: 
      90.   #else
      91.       osslargused(file); osslargused(line);
      92. >     ret = malloc(num);
      93.   #endif
      94.   

crypto/mem.c:95:5: 
      93.   #endif
      94.   
      95. >     return ret;
      96.   }
      97.   

crypto/mem.c:96:1: return from a call to CRYPTO_malloc
      94.   
      95.       return ret;
      96. > }
      97.   
      98.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:102:9: Taking true branch
    100.       void *ret = CRYPTO_malloc(num, file, line);
    101.   
    102.       if (ret != NULL)
                   ^
    103.           memset(ret, 0, num);
    104.       return ret;

crypto/mem.c:103:9: 
    101.   
    102.       if (ret != NULL)
    103. >         memset(ret, 0, num);
    104.       return ret;
    105.   }

crypto/mem.c:104:5: 
    102.       if (ret != NULL)
    103.           memset(ret, 0, num);
    104. >     return ret;
    105.   }
    106.   

crypto/mem.c:105:1: return from a call to CRYPTO_zalloc
    103.           memset(ret, 0, num);
    104.       return ret;
    105. > }
    106.   
    107.   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/pem/pvkfmt.c:639:5: 
637.   {
638.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
639. >     int rv = 1;
640.       if (mctx == NULL
641.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)

crypto/pem/pvkfmt.c:640:9: Taking false branch
638.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
639.       int rv = 1;
640.       if (mctx == NULL
               ^
641.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
642.           || !EVP_DigestUpdate(mctx, salt, saltlen)

crypto/pem/pvkfmt.c:641:13: 
639.       int rv = 1;
640.       if (mctx == NULL
641. >         || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
642.           || !EVP_DigestUpdate(mctx, salt, saltlen)
643.           || !EVP_DigestUpdate(mctx, pass, passlen)

crypto/evp/m_sha1.c:103:1: start of procedure EVP_sha1()
  101.   };
  102.   
  103. > const EVP_MD *EVP_sha1(void)
  104.   {
  105.       return (&sha1_md);

crypto/evp/m_sha1.c:105:5: 
  103.   const EVP_MD *EVP_sha1(void)
  104.   {
  105. >     return (&sha1_md);
  106.   }
  107.   

crypto/evp/m_sha1.c:106:1: return from a call to EVP_sha1
  104.   {
  105.       return (&sha1_md);
  106. > }
  107.   
  108.   static int init224(EVP_MD_CTX *ctx)

crypto/pem/pvkfmt.c:641:13: Taking true branch
639.       int rv = 1;
640.       if (mctx == NULL
641.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
                   ^
642.           || !EVP_DigestUpdate(mctx, salt, saltlen)
643.           || !EVP_DigestUpdate(mctx, pass, passlen)

crypto/pem/pvkfmt.c:645:9: 
643.           || !EVP_DigestUpdate(mctx, pass, passlen)
644.           || !EVP_DigestFinal_ex(mctx, key, NULL))
645. >         rv = 0;
646.   
647.       EVP_MD_CTX_free(mctx);

crypto/pem/pvkfmt.c:647:5: 
645.           rv = 0;
646.   
647. >     EVP_MD_CTX_free(mctx);
648.       return rv;
649.   }

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:163:1: start of procedure CRYPTO_free()
    161.   }
    162.   
    163. > void CRYPTO_free(void *str, const char *file, int line)
    164.   {
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:165:9: Taking true branch
    163.   void CRYPTO_free(void *str, const char *file, int line)
    164.   {
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    166.           free_impl(str, file, line);
    167.           return;

crypto/mem.c:165:30: Taking true branch
    163.   void CRYPTO_free(void *str, const char *file, int line)
    164.   {
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    166.           free_impl(str, file, line);
    167.           return;

crypto/mem.c:166:9: Skipping __function_pointer__(): unresolved function pointer
    164.   {
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    166.           free_impl(str, file, line);
                   ^
    167.           return;
    168.       }

crypto/mem.c:167:9: 
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    166.           free_impl(str, file, line);
    167. >         return;
    168.       }
    169.   

crypto/mem.c:181:1: return from a call to CRYPTO_free
    179.       free(str);
    180.   #endif
    181. > }
    182.   
    183.   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)
