crypto/pem/pvkfmt.c:686: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 677, column 24 is not reachable after line 686, column 5.
Showing all 40 steps of the trace


crypto/pem/pvkfmt.c:673:1: start of procedure derive_pvk_key()
671.   }
672.   
673. > static int derive_pvk_key(unsigned char *key,
674.                             const unsigned char *salt, unsigned int saltlen,
675.                             const unsigned char *pass, int passlen)

crypto/pem/pvkfmt.c:677:5: 
675.                             const unsigned char *pass, int passlen)
676.   {
677. >     EVP_MD_CTX *mctx = EVP_MD_CTX_new();
678.       int rv = 1;
679.       if (mctx == NULL

crypto/evp/digest.c:145:1: start of procedure EVP_MD_CTX_new()
  143.   }
  144.   
  145. > EVP_MD_CTX *EVP_MD_CTX_new(void)
  146.   {
  147.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));

crypto/evp/digest.c:147:5: 
  145.   EVP_MD_CTX *EVP_MD_CTX_new(void)
  146.   {
  147. >     return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  148.   }
  149.   

crypto/mem.c:146:1: start of procedure CRYPTO_zalloc()
    144.   }
    145.   
    146. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    147.   {
    148.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:148:5: 
    146.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    147.   {
    148. >     void *ret = CRYPTO_malloc(num, file, line);
    149.   
    150.       if (ret != NULL)

crypto/mem.c:119:1: start of procedure CRYPTO_malloc()
      117.   }
      118.   
      119. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121.       void *ret = NULL;

crypto/mem.c:121:5: 
      119.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121. >     void *ret = NULL;
      122.   
      123.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:123:9: Taking false branch
      121.       void *ret = NULL;
      122.   
      123.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      124.           return malloc_impl(num, file, line);
      125.   

crypto/mem.c:126:9: Taking false branch
      124.           return malloc_impl(num, file, line);
      125.   
      126.       if (num <= 0)
                     ^
      127.           return NULL;
      128.   

crypto/mem.c:129:5: 
      127.           return NULL;
      128.   
      129. >     allow_customize = 0;
      130.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      131.       if (call_malloc_debug) {

crypto/mem.c:139:5: 
      137.       }
      138.   #else
      139. >     osslargused(file); osslargused(line);
      140.       ret = malloc(num);
      141.   #endif

crypto/mem.c:139:24: 
      137.       }
      138.   #else
      139. >     osslargused(file); osslargused(line);
      140.       ret = malloc(num);
      141.   #endif

crypto/mem.c:140:5: 
      138.   #else
      139.       osslargused(file); osslargused(line);
      140. >     ret = malloc(num);
      141.   #endif
      142.   

crypto/mem.c:143:5: 
      141.   #endif
      142.   
      143. >     return ret;
      144.   }
      145.   

crypto/mem.c:144:1: return from a call to CRYPTO_malloc
      142.   
      143.       return ret;
      144. > }
      145.   
      146.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:150:9: Taking true branch
    148.       void *ret = CRYPTO_malloc(num, file, line);
    149.   
    150.       if (ret != NULL)
                   ^
    151.           memset(ret, 0, num);
    152.       return ret;

crypto/mem.c:151:9: 
    149.   
    150.       if (ret != NULL)
    151. >         memset(ret, 0, num);
    152.       return ret;
    153.   }

crypto/mem.c:152:5: 
    150.       if (ret != NULL)
    151.           memset(ret, 0, num);
    152. >     return ret;
    153.   }
    154.   

crypto/mem.c:153:1: return from a call to CRYPTO_zalloc
    151.           memset(ret, 0, num);
    152.       return ret;
    153. > }
    154.   
    155.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:148:1: return from a call to EVP_MD_CTX_new
  146.   {
  147.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  148. > }
  149.   
  150.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)

crypto/pem/pvkfmt.c:678:5: 
676.   {
677.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
678. >     int rv = 1;
679.       if (mctx == NULL
680.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)

crypto/pem/pvkfmt.c:679:9: Taking false branch
677.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
678.       int rv = 1;
679.       if (mctx == NULL
               ^
680.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
681.           || !EVP_DigestUpdate(mctx, salt, saltlen)

crypto/pem/pvkfmt.c:680:13: 
678.       int rv = 1;
679.       if (mctx == NULL
680. >         || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
681.           || !EVP_DigestUpdate(mctx, salt, saltlen)
682.           || !EVP_DigestUpdate(mctx, pass, passlen)

crypto/evp/m_sha1.c:151:1: start of procedure EVP_sha1()
  149.   };
  150.   
  151. > const EVP_MD *EVP_sha1(void)
  152.   {
  153.       return (&sha1_md);

crypto/evp/m_sha1.c:153:5: 
  151.   const EVP_MD *EVP_sha1(void)
  152.   {
  153. >     return (&sha1_md);
  154.   }
  155.   

crypto/evp/m_sha1.c:154:1: return from a call to EVP_sha1
  152.   {
  153.       return (&sha1_md);
  154. > }
  155.   
  156.   static int init224(EVP_MD_CTX *ctx)

crypto/pem/pvkfmt.c:680:13: Taking true branch
678.       int rv = 1;
679.       if (mctx == NULL
680.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
                   ^
681.           || !EVP_DigestUpdate(mctx, salt, saltlen)
682.           || !EVP_DigestUpdate(mctx, pass, passlen)

crypto/pem/pvkfmt.c:684:9: 
682.           || !EVP_DigestUpdate(mctx, pass, passlen)
683.           || !EVP_DigestFinal_ex(mctx, key, NULL))
684. >         rv = 0;
685.   
686.       EVP_MD_CTX_free(mctx);

crypto/pem/pvkfmt.c:686:5: 
684.           rv = 0;
685.   
686. >     EVP_MD_CTX_free(mctx);
687.       return rv;
688.   }

crypto/evp/digest.c:150:1: start of procedure EVP_MD_CTX_free()
  148.   }
  149.   
  150. > void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  151.   {
  152.       EVP_MD_CTX_reset(ctx);

crypto/evp/digest.c:152:5: Skipping EVP_MD_CTX_reset(): empty list of specs
  150.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  151.   {
  152.       EVP_MD_CTX_reset(ctx);
             ^
  153.       OPENSSL_free(ctx);
  154.   }

crypto/evp/digest.c:153:5: 
  151.   {
  152.       EVP_MD_CTX_reset(ctx);
  153. >     OPENSSL_free(ctx);
  154.   }
  155.   

crypto/mem.c:210:1: start of procedure CRYPTO_free()
    208.   }
    209.   
    210. > void CRYPTO_free(void *str, const char *file, int line)
    211.   {
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:212:9: Taking true branch
    210.   void CRYPTO_free(void *str, const char *file, int line)
    211.   {
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    213.           free_impl(str, file, line);
    214.           return;

crypto/mem.c:212:30: Taking true branch
    210.   void CRYPTO_free(void *str, const char *file, int line)
    211.   {
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    213.           free_impl(str, file, line);
    214.           return;

crypto/mem.c:213:9: Skipping __function_pointer__(): unresolved function pointer
    211.   {
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    213.           free_impl(str, file, line);
                   ^
    214.           return;
    215.       }

crypto/mem.c:214:9: 
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    213.           free_impl(str, file, line);
    214. >         return;
    215.       }
    216.   

crypto/mem.c:228:1: return from a call to CRYPTO_free
    226.       free(str);
    227.   #endif
    228. > }
    229.   
    230.   void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:154:1: return from a call to EVP_MD_CTX_free
  152.       EVP_MD_CTX_reset(ctx);
  153.       OPENSSL_free(ctx);
  154. > }
  155.   
  156.   int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)
