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:218:1: start of procedure CRYPTO_zalloc()
    216.   }
    217.   
    218. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    219.   {
    220.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:220:5: 
    218.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    219.   {
    220. >     void *ret = CRYPTO_malloc(num, file, line);
    221.   
    222.       FAILTEST();

crypto/mem.c:189:1: start of procedure CRYPTO_malloc()
      187.   #endif
      188.   
      189. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      190.   {
      191.       void *ret = NULL;

crypto/mem.c:191:5: 
      189.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      190.   {
      191. >     void *ret = NULL;
      192.   
      193.       INCREMENT(malloc_count);

crypto/mem.c:194:9: Taking false branch
      192.   
      193.       INCREMENT(malloc_count);
      194.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      195.           return malloc_impl(num, file, line);
      196.   

crypto/mem.c:197:9: Taking false branch
      195.           return malloc_impl(num, file, line);
      196.   
      197.       if (num == 0)
                     ^
      198.           return NULL;
      199.   

crypto/mem.c:201:5: 
      199.   
      200.       FAILTEST();
      201. >     allow_customize = 0;
      202.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      203.       if (call_malloc_debug) {

crypto/mem.c:211:5: 
      209.       }
      210.   #else
      211. >     (void)(file); (void)(line);
      212.       ret = malloc(num);
      213.   #endif

crypto/mem.c:211:19: 
      209.       }
      210.   #else
      211. >     (void)(file); (void)(line);
      212.       ret = malloc(num);
      213.   #endif

crypto/mem.c:212:5: 
      210.   #else
      211.       (void)(file); (void)(line);
      212. >     ret = malloc(num);
      213.   #endif
      214.   

crypto/mem.c:215:5: 
      213.   #endif
      214.   
      215. >     return ret;
      216.   }
      217.   

crypto/mem.c:216:1: return from a call to CRYPTO_malloc
      214.   
      215.       return ret;
      216. > }
      217.   
      218.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:223:9: Taking true branch
    221.   
    222.       FAILTEST();
    223.       if (ret != NULL)
                   ^
    224.           memset(ret, 0, num);
    225.       return ret;

crypto/mem.c:224:9: 
    222.       FAILTEST();
    223.       if (ret != NULL)
    224. >         memset(ret, 0, num);
    225.       return ret;
    226.   }

crypto/mem.c:225:5: 
    223.       if (ret != NULL)
    224.           memset(ret, 0, num);
    225. >     return ret;
    226.   }
    227.   

crypto/mem.c:226:1: return from a call to CRYPTO_zalloc
    224.           memset(ret, 0, num);
    225.       return ret;
    226. > }
    227.   
    228.   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:844:1: start of procedure BN_is_zero()
    842.   }
    843.   
    844. > int BN_is_zero(const BIGNUM *a)
    845.   {
    846.       return a->top == 0;

crypto/bn/bn_lib.c:846:12: Condition is false
    844.   int BN_is_zero(const BIGNUM *a)
    845.   {
    846.       return a->top == 0;
                      ^
    847.   }
    848.   

crypto/bn/bn_lib.c:846:5: 
    844.   int BN_is_zero(const BIGNUM *a)
    845.   {
    846. >     return a->top == 0;
    847.   }
    848.   

crypto/bn/bn_lib.c:847:1: return from a call to BN_is_zero
    845.   {
    846.       return a->top == 0;
    847. > }
    848.   
    849.   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:189:1: start of procedure CRYPTO_malloc()
  187.   #endif
  188.   
  189. > void *CRYPTO_malloc(size_t num, const char *file, int line)
  190.   {
  191.       void *ret = NULL;

crypto/mem.c:191:5: 
  189.   void *CRYPTO_malloc(size_t num, const char *file, int line)
  190.   {
  191. >     void *ret = NULL;
  192.   
  193.       INCREMENT(malloc_count);

crypto/mem.c:194:9: Taking true branch
  192.   
  193.       INCREMENT(malloc_count);
  194.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                 ^
  195.           return malloc_impl(num, file, line);
  196.   

crypto/mem.c:194:32: Taking true branch
  192.   
  193.       INCREMENT(malloc_count);
  194.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                                        ^
  195.           return malloc_impl(num, file, line);
  196.   

crypto/mem.c:195:9: Skipping __function_pointer__(): unresolved function pointer
  193.       INCREMENT(malloc_count);
  194.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
  195.           return malloc_impl(num, file, line);
                 ^
  196.   
  197.       if (num == 0)

crypto/mem.c:216:1: return from a call to CRYPTO_malloc
  214.   
  215.       return ret;
  216. > }
  217.   
  218.   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:286:1: start of procedure CRYPTO_free()
  284.   }
  285.   
  286. > void CRYPTO_free(void *str, const char *file, int line)
  287.   {
  288.       INCREMENT(free_count);

crypto/mem.c:289:9: Taking false branch
  287.   {
  288.       INCREMENT(free_count);
  289.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                 ^
  290.           free_impl(str, file, line);
  291.           return;

crypto/mem.c:303:5: 
  301.       }
  302.   #else
  303. >     free(str);
  304.   #endif
  305.   }

crypto/mem.c:305:1: return from a call to CRYPTO_free
  303.       free(str);
  304.   #endif
  305. > }
  306.   
  307.   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:286:1: start of procedure CRYPTO_free()
    284.   }
    285.   
    286. > void CRYPTO_free(void *str, const char *file, int line)
    287.   {
    288.       INCREMENT(free_count);

crypto/mem.c:289:9: Taking true branch
    287.   {
    288.       INCREMENT(free_count);
    289.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    290.           free_impl(str, file, line);
    291.           return;

crypto/mem.c:289:30: Taking true branch
    287.   {
    288.       INCREMENT(free_count);
    289.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    290.           free_impl(str, file, line);
    291.           return;

crypto/mem.c:290:9: Skipping __function_pointer__(): unresolved function pointer
    288.       INCREMENT(free_count);
    289.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    290.           free_impl(str, file, line);
                   ^
    291.           return;
    292.       }

crypto/mem.c:291:9: 
    289.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    290.           free_impl(str, file, line);
    291. >         return;
    292.       }
    293.   

crypto/mem.c:305:1: return from a call to CRYPTO_free
    303.       free(str);
    304.   #endif
    305. > }
    306.   
    307.   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    INCREMENT(malloc_count);\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    (void)(file); (void)(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    INCREMENT(free_count);\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}']