crypto/srp/srp_lib.c:150: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 125, column 12 is not reachable after line 150, column 5.
Showing all 67 steps of the trace


crypto/srp/srp_lib.c:115:1: start of procedure SRP_Calc_x()
113.   }
114.   
115. > BIGNUM *SRP_Calc_x(const BIGNUM *s, const char *user, const char *pass)
116.   {
117.       unsigned char dig[SHA_DIGEST_LENGTH];

crypto/srp/srp_lib.c:119:5: 
117.       unsigned char dig[SHA_DIGEST_LENGTH];
118.       EVP_MD_CTX *ctxt;
119. >     unsigned char *cs = NULL;
120.       BIGNUM *res = NULL;
121.   

crypto/srp/srp_lib.c:120:5: 
118.       EVP_MD_CTX *ctxt;
119.       unsigned char *cs = NULL;
120. >     BIGNUM *res = NULL;
121.   
122.       if ((s == NULL) || (user == NULL) || (pass == NULL))

crypto/srp/srp_lib.c:122:10: Taking false branch
120.       BIGNUM *res = NULL;
121.   
122.       if ((s == NULL) || (user == NULL) || (pass == NULL))
                ^
123.           return NULL;
124.   

crypto/srp/srp_lib.c:122:25: Taking false branch
120.       BIGNUM *res = NULL;
121.   
122.       if ((s == NULL) || (user == NULL) || (pass == NULL))
                               ^
123.           return NULL;
124.   

crypto/srp/srp_lib.c:122:43: Taking false branch
120.       BIGNUM *res = NULL;
121.   
122.       if ((s == NULL) || (user == NULL) || (pass == NULL))
                                                 ^
123.           return NULL;
124.   

crypto/srp/srp_lib.c:125:5: 
123.           return NULL;
124.   
125. >     ctxt = EVP_MD_CTX_new();
126.       if (ctxt == NULL)
127.           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:185:1: start of procedure CRYPTO_zalloc()
    183.   }
    184.   
    185. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    186.   {
    187.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:187:5: 
    185.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    186.   {
    187. >     void *ret = CRYPTO_malloc(num, file, line);
    188.   
    189.       FAILTEST();

crypto/mem.c:157:1: start of procedure CRYPTO_malloc()
      155.   #endif
      156.   
      157. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      158.   {
      159.       void *ret = NULL;

crypto/mem.c:159:5: 
      157.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      158.   {
      159. >     void *ret = NULL;
      160.   
      161.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:161:9: Taking false branch
      159.       void *ret = NULL;
      160.   
      161.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      162.           return malloc_impl(num, file, line);
      163.   

crypto/mem.c:164:9: Taking false branch
      162.           return malloc_impl(num, file, line);
      163.   
      164.       if (num <= 0)
                     ^
      165.           return NULL;
      166.   

crypto/mem.c:168:5: 
      166.   
      167.       FAILTEST();
      168. >     allow_customize = 0;
      169.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      170.       if (call_malloc_debug) {

crypto/mem.c:178:5: 
      176.       }
      177.   #else
      178. >     osslargused(file); osslargused(line);
      179.       ret = malloc(num);
      180.   #endif

crypto/mem.c:178:24: 
      176.       }
      177.   #else
      178. >     osslargused(file); osslargused(line);
      179.       ret = malloc(num);
      180.   #endif

crypto/mem.c:179:5: 
      177.   #else
      178.       osslargused(file); osslargused(line);
      179. >     ret = malloc(num);
      180.   #endif
      181.   

crypto/mem.c:182:5: 
      180.   #endif
      181.   
      182. >     return ret;
      183.   }
      184.   

crypto/mem.c:183:1: return from a call to CRYPTO_malloc
      181.   
      182.       return ret;
      183. > }
      184.   
      185.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:190:9: Taking true branch
    188.   
    189.       FAILTEST();
    190.       if (ret != NULL)
                   ^
    191.           memset(ret, 0, num);
    192.       return ret;

crypto/mem.c:191:9: 
    189.       FAILTEST();
    190.       if (ret != NULL)
    191. >         memset(ret, 0, num);
    192.       return ret;
    193.   }

crypto/mem.c:192:5: 
    190.       if (ret != NULL)
    191.           memset(ret, 0, num);
    192. >     return ret;
    193.   }
    194.   

crypto/mem.c:193:1: return from a call to CRYPTO_zalloc
    191.           memset(ret, 0, num);
    192.       return ret;
    193. > }
    194.   
    195.   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:126:9: Taking false branch
124.   
125.       ctxt = EVP_MD_CTX_new();
126.       if (ctxt == NULL)
               ^
127.           return NULL;
128.       if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)

crypto/srp/srp_lib.c:128:9: 
126.       if (ctxt == NULL)
127.           return NULL;
128. >     if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)
129.           goto err;
130.   

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:157:1: start of procedure CRYPTO_malloc()
  155.   #endif
  156.   
  157. > void *CRYPTO_malloc(size_t num, const char *file, int line)
  158.   {
  159.       void *ret = NULL;

crypto/mem.c:159:5: 
  157.   void *CRYPTO_malloc(size_t num, const char *file, int line)
  158.   {
  159. >     void *ret = NULL;
  160.   
  161.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:161:9: Taking true branch
  159.       void *ret = NULL;
  160.   
  161.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                 ^
  162.           return malloc_impl(num, file, line);
  163.   

crypto/mem.c:161:32: Taking true branch
  159.       void *ret = NULL;
  160.   
  161.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                                        ^
  162.           return malloc_impl(num, file, line);
  163.   

crypto/mem.c:162:9: Skipping __function_pointer__(): unresolved function pointer
  160.   
  161.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
  162.           return malloc_impl(num, file, line);
                 ^
  163.   
  164.       if (num <= 0)

crypto/mem.c:183:1: return from a call to CRYPTO_malloc
  181.   
  182.       return ret;
  183. > }
  184.   
  185.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/srp/srp_lib.c:128:9: Taking false branch
126.       if (ctxt == NULL)
127.           return NULL;
128.       if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)
               ^
129.           goto err;
130.   

crypto/srp/srp_lib.c:131:10: 
129.           goto err;
130.   
131. >     if (!EVP_DigestInit_ex(ctxt, EVP_sha1(), NULL)
132.           || !EVP_DigestUpdate(ctxt, user, strlen(user))
133.           || !EVP_DigestUpdate(ctxt, ":", 1)

crypto/evp/m_sha1.c:108:1: start of procedure EVP_sha1()
  106.   };
  107.   
  108. > const EVP_MD *EVP_sha1(void)
  109.   {
  110.       return (&sha1_md);

crypto/evp/m_sha1.c:110:5: 
  108.   const EVP_MD *EVP_sha1(void)
  109.   {
  110. >     return (&sha1_md);
  111.   }
  112.   

crypto/evp/m_sha1.c:111:1: return from a call to EVP_sha1
  109.   {
  110.       return (&sha1_md);
  111. > }
  112.   
  113.   static int init224(EVP_MD_CTX *ctx)

crypto/srp/srp_lib.c:131:10: Taking true branch
129.           goto err;
130.   
131.       if (!EVP_DigestInit_ex(ctxt, EVP_sha1(), NULL)
                ^
132.           || !EVP_DigestUpdate(ctxt, user, strlen(user))
133.           || !EVP_DigestUpdate(ctxt, ":", 1)

crypto/srp/srp_lib.c:148:2: 
146.       res = BN_bin2bn(dig, sizeof(dig), NULL);
147.   
148. >  err:
149.       OPENSSL_free(cs);
150.       EVP_MD_CTX_free(ctxt);

crypto/srp/srp_lib.c:149:5: 
147.   
148.    err:
149. >     OPENSSL_free(cs);
150.       EVP_MD_CTX_free(ctxt);
151.       return res;

crypto/mem.c:252:1: start of procedure CRYPTO_free()
  250.   }
  251.   
  252. > void CRYPTO_free(void *str, const char *file, int line)
  253.   {
  254.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:254:9: Taking false branch
  252.   void CRYPTO_free(void *str, const char *file, int line)
  253.   {
  254.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                 ^
  255.           free_impl(str, file, line);
  256.           return;

crypto/mem.c:268:5: 
  266.       }
  267.   #else
  268. >     free(str);
  269.   #endif
  270.   }

crypto/mem.c:270:1: return from a call to CRYPTO_free
  268.       free(str);
  269.   #endif
  270. > }
  271.   
  272.   void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)

crypto/srp/srp_lib.c:150:5: 
148.    err:
149.       OPENSSL_free(cs);
150. >     EVP_MD_CTX_free(ctxt);
151.       return res;
152.   }

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:252:1: start of procedure CRYPTO_free()
    250.   }
    251.   
    252. > void CRYPTO_free(void *str, const char *file, int line)
    253.   {
    254.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:254:9: Taking true branch
    252.   void CRYPTO_free(void *str, const char *file, int line)
    253.   {
    254.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    255.           free_impl(str, file, line);
    256.           return;

crypto/mem.c:254:30: Taking true branch
    252.   void CRYPTO_free(void *str, const char *file, int line)
    253.   {
    254.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    255.           free_impl(str, file, line);
    256.           return;

crypto/mem.c:255:9: Skipping __function_pointer__(): unresolved function pointer
    253.   {
    254.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    255.           free_impl(str, file, line);
                   ^
    256.           return;
    257.       }

crypto/mem.c:256:9: 
    254.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    255.           free_impl(str, file, line);
    256. >         return;
    257.       }
    258.   

crypto/mem.c:270:1: return from a call to CRYPTO_free
    268.       free(str);
    269.   #endif
    270. > }
    271.   
    272.   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)

BIGNUM *SRP_Calc_x(const BIGNUM *s, const char *user, const char *pass)
{
    unsigned char dig[SHA_DIGEST_LENGTH];
    EVP_MD_CTX *ctxt;
    unsigned char *cs = NULL;
    BIGNUM *res = NULL;
    if ((s == NULL) || (user == NULL) || (pass == NULL))
        return NULL;
    ctxt = EVP_MD_CTX_new();
    if (ctxt == NULL)
        return NULL;
    if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)
        goto err;
    if (!EVP_DigestInit_ex(ctxt, EVP_sha1(), NULL)
        || !EVP_DigestUpdate(ctxt, user, strlen(user))
        || !EVP_DigestUpdate(ctxt, ":", 1)
        || !EVP_DigestUpdate(ctxt, pass, strlen(pass))
        || !EVP_DigestFinal_ex(ctxt, dig, NULL)
        || !EVP_DigestInit_ex(ctxt, EVP_sha1(), NULL))
        goto err;
    BN_bn2bin(s, cs);
    if (!EVP_DigestUpdate(ctxt, cs, BN_num_bytes(s)))
        goto err;
    if (!EVP_DigestUpdate(ctxt, dig, sizeof(dig))
        || !EVP_DigestFinal_ex(ctxt, dig, NULL))
        goto err;
    res = BN_bin2bn(dig, sizeof(dig), NULL);
 err:
    OPENSSL_free(cs);
    EVP_MD_CTX_free(ctxt);
    return res;
}
['BIGNUM *SRP_Calc_x(const BIGNUM *s, const char *user, const char *pass)\n{\n    unsigned char dig[SHA_DIGEST_LENGTH];\n    EVP_MD_CTX *ctxt;\n    unsigned char *cs = NULL;\n    BIGNUM *res = NULL;\n    if ((s == NULL) || (user == NULL) || (pass == NULL))\n        return NULL;\n    ctxt = EVP_MD_CTX_new();\n    if (ctxt == NULL)\n        return NULL;\n    if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)\n        goto err;\n    if (!EVP_DigestInit_ex(ctxt, EVP_sha1(), NULL)\n        || !EVP_DigestUpdate(ctxt, user, strlen(user))\n        || !EVP_DigestUpdate(ctxt, ":", 1)\n        || !EVP_DigestUpdate(ctxt, pass, strlen(pass))\n        || !EVP_DigestFinal_ex(ctxt, dig, NULL)\n        || !EVP_DigestInit_ex(ctxt, EVP_sha1(), NULL))\n        goto err;\n    BN_bn2bin(s, cs);\n    if (!EVP_DigestUpdate(ctxt, cs, BN_num_bytes(s)))\n        goto err;\n    if (!EVP_DigestUpdate(ctxt, dig, sizeof(dig))\n        || !EVP_DigestFinal_ex(ctxt, dig, NULL))\n        goto err;\n    res = BN_bin2bn(dig, sizeof(dig), NULL);\n err:\n    OPENSSL_free(cs);\n    EVP_MD_CTX_free(ctxt);\n    return res;\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    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    osslargused(file); osslargused(line);\n    ret = malloc(num);\n#endif\n    return ret;\n}', 'int BN_num_bits(const BIGNUM *a)\n{\n    int i = a->top - 1;\n    bn_check_top(a);\n    if (BN_is_zero(a))\n        return 0;\n    return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));\n}', 'int BN_is_zero(const BIGNUM *a)\n{\n    return a->top == 0;\n}', 'const EVP_MD *EVP_sha1(void)\n{\n    return (&sha1_md);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\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}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n    EVP_MD_CTX_reset(ctx);\n    OPENSSL_free(ctx);\n}']