crypto/srp/srp_lib.c:202: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 177, column 12 is not reachable after line 202, column 5.
Showing all 67 steps of the trace


crypto/srp/srp_lib.c:167:1: start of procedure SRP_Calc_x()
165.   }
166.   
167. > BIGNUM *SRP_Calc_x(const BIGNUM *s, const char *user, const char *pass)
168.   {
169.       unsigned char dig[SHA_DIGEST_LENGTH];

crypto/srp/srp_lib.c:171:5: 
169.       unsigned char dig[SHA_DIGEST_LENGTH];
170.       EVP_MD_CTX *ctxt;
171. >     unsigned char *cs = NULL;
172.       BIGNUM *res = NULL;
173.   

crypto/srp/srp_lib.c:172:5: 
170.       EVP_MD_CTX *ctxt;
171.       unsigned char *cs = NULL;
172. >     BIGNUM *res = NULL;
173.   
174.       if ((s == NULL) || (user == NULL) || (pass == NULL))

crypto/srp/srp_lib.c:174:10: Taking false branch
172.       BIGNUM *res = NULL;
173.   
174.       if ((s == NULL) || (user == NULL) || (pass == NULL))
                ^
175.           return NULL;
176.   

crypto/srp/srp_lib.c:174:25: Taking false branch
172.       BIGNUM *res = NULL;
173.   
174.       if ((s == NULL) || (user == NULL) || (pass == NULL))
                               ^
175.           return NULL;
176.   

crypto/srp/srp_lib.c:174:43: Taking false branch
172.       BIGNUM *res = NULL;
173.   
174.       if ((s == NULL) || (user == NULL) || (pass == NULL))
                                                 ^
175.           return NULL;
176.   

crypto/srp/srp_lib.c:177:5: 
175.           return NULL;
176.   
177. >     ctxt = EVP_MD_CTX_new();
178.       if (ctxt == NULL)
179.           return 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/srp/srp_lib.c:178:9: Taking false branch
176.   
177.       ctxt = EVP_MD_CTX_new();
178.       if (ctxt == NULL)
               ^
179.           return NULL;
180.       if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)

crypto/srp/srp_lib.c:180:9: 
178.       if (ctxt == NULL)
179.           return NULL;
180. >     if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)
181.           goto err;
182.   

crypto/bn/bn_lib.c:161:1: start of procedure BN_num_bits()
  159.   }
  160.   
  161. > int BN_num_bits(const BIGNUM *a)
  162.   {
  163.       int i = a->top - 1;

crypto/bn/bn_lib.c:163:5: 
  161.   int BN_num_bits(const BIGNUM *a)
  162.   {
  163. >     int i = a->top - 1;
  164.       bn_check_top(a);
  165.   

crypto/bn/bn_lib.c:166:9: 
  164.       bn_check_top(a);
  165.   
  166. >     if (BN_is_zero(a))
  167.           return 0;
  168.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));

crypto/bn/bn_lib.c:920:1: start of procedure BN_is_zero()
    918.   }
    919.   
    920. > int BN_is_zero(const BIGNUM *a)
    921.   {
    922.       return a->top == 0;

crypto/bn/bn_lib.c:922:12: Condition is false
    920.   int BN_is_zero(const BIGNUM *a)
    921.   {
    922.       return a->top == 0;
                      ^
    923.   }
    924.   

crypto/bn/bn_lib.c:922:5: 
    920.   int BN_is_zero(const BIGNUM *a)
    921.   {
    922. >     return a->top == 0;
    923.   }
    924.   

crypto/bn/bn_lib.c:923:1: return from a call to BN_is_zero
    921.   {
    922.       return a->top == 0;
    923. > }
    924.   
    925.   int BN_is_one(const BIGNUM *a)

crypto/bn/bn_lib.c:166:9: Taking false branch
  164.       bn_check_top(a);
  165.   
  166.       if (BN_is_zero(a))
                 ^
  167.           return 0;
  168.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));

crypto/bn/bn_lib.c:168:5: Skipping BN_num_bits_word(): empty list of specs
  166.       if (BN_is_zero(a))
  167.           return 0;
  168.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));
             ^
  169.   }
  170.   

crypto/bn/bn_lib.c:169:1: return from a call to BN_num_bits
  167.           return 0;
  168.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));
  169. > }
  170.   
  171.   static void bn_free_d(BIGNUM *a)

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 true 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:75:32: Taking true 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:76:9: Skipping __function_pointer__(): unresolved function pointer
  74.   
  75.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
  76.           return malloc_impl(num, file, line);
                ^
  77.   
  78.       if (num <= 0)

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/srp/srp_lib.c:180:9: Taking false branch
178.       if (ctxt == NULL)
179.           return NULL;
180.       if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)
               ^
181.           goto err;
182.   

crypto/srp/srp_lib.c:183:10: 
181.           goto err;
182.   
183. >     if (!EVP_DigestInit_ex(ctxt, EVP_sha1(), NULL)
184.           || !EVP_DigestUpdate(ctxt, user, strlen(user))
185.           || !EVP_DigestUpdate(ctxt, ":", 1)

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/srp/srp_lib.c:183:10: Taking true branch
181.           goto err;
182.   
183.       if (!EVP_DigestInit_ex(ctxt, EVP_sha1(), NULL)
                ^
184.           || !EVP_DigestUpdate(ctxt, user, strlen(user))
185.           || !EVP_DigestUpdate(ctxt, ":", 1)

crypto/srp/srp_lib.c:200:2: 
198.       res = BN_bin2bn(dig, sizeof(dig), NULL);
199.   
200. >  err:
201.       OPENSSL_free(cs);
202.       EVP_MD_CTX_free(ctxt);

crypto/srp/srp_lib.c:201:5: 
199.   
200.    err:
201. >     OPENSSL_free(cs);
202.       EVP_MD_CTX_free(ctxt);
203.       return res;

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 false 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:179:5: 
  177.       }
  178.   #else
  179. >     free(str);
  180.   #endif
  181.   }

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/srp/srp_lib.c:202:5: 
200.    err:
201.       OPENSSL_free(cs);
202. >     EVP_MD_CTX_free(ctxt);
203.       return res;
204.   }

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)
