crypto/bn/bn_depr.c:91: error: MEMORY_LEAK
  memory dynamically allocated by call to `BN_new()` at line 81, column 20 is not reachable after line 91, column 5.
Showing all 48 steps of the trace


crypto/bn/bn_depr.c:71:1: start of procedure BN_generate_prime()
69.   # include <openssl/rand.h>
70.   
71. > BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe,
72.                             const BIGNUM *add, const BIGNUM *rem,
73.                             void (*callback) (int, int, void *), void *cb_arg)

crypto/bn/bn_depr.c:76:5: 
74.   {
75.       BN_GENCB cb;
76. >     BIGNUM *rnd = NULL;
77.   
78.       BN_GENCB_set_old(&cb, callback, cb_arg);

crypto/bn/bn_depr.c:78:5: 
76.       BIGNUM *rnd = NULL;
77.   
78. >     BN_GENCB_set_old(&cb, callback, cb_arg);
79.   
80.       if (ret == NULL) {

crypto/bn/bn_lib.c:1047:1: start of procedure BN_GENCB_set_old()
  1045.   
  1046.   /* Populate a BN_GENCB structure with an "old"-style callback */
  1047. > void BN_GENCB_set_old(BN_GENCB *gencb, void (*callback) (int, int, void *),
  1048.                         void *cb_arg)
  1049.   {

crypto/bn/bn_lib.c:1050:5: 
  1048.                         void *cb_arg)
  1049.   {
  1050. >     BN_GENCB *tmp_gencb = gencb;
  1051.       tmp_gencb->ver = 1;
  1052.       tmp_gencb->arg = cb_arg;

crypto/bn/bn_lib.c:1051:5: 
  1049.   {
  1050.       BN_GENCB *tmp_gencb = gencb;
  1051. >     tmp_gencb->ver = 1;
  1052.       tmp_gencb->arg = cb_arg;
  1053.       tmp_gencb->cb.cb_1 = callback;

crypto/bn/bn_lib.c:1052:5: 
  1050.       BN_GENCB *tmp_gencb = gencb;
  1051.       tmp_gencb->ver = 1;
  1052. >     tmp_gencb->arg = cb_arg;
  1053.       tmp_gencb->cb.cb_1 = callback;
  1054.   }

crypto/bn/bn_lib.c:1053:5: 
  1051.       tmp_gencb->ver = 1;
  1052.       tmp_gencb->arg = cb_arg;
  1053. >     tmp_gencb->cb.cb_1 = callback;
  1054.   }
  1055.   

crypto/bn/bn_lib.c:1054:1: return from a call to BN_GENCB_set_old
  1052.       tmp_gencb->arg = cb_arg;
  1053.       tmp_gencb->cb.cb_1 = callback;
  1054. > }
  1055.   
  1056.   /* Populate a BN_GENCB structure with a "new"-style callback */

crypto/bn/bn_depr.c:80:9: Taking true branch
78.       BN_GENCB_set_old(&cb, callback, cb_arg);
79.   
80.       if (ret == NULL) {
              ^
81.           if ((rnd = BN_new()) == NULL)
82.               goto err;

crypto/bn/bn_depr.c:81:13: 
79.   
80.       if (ret == NULL) {
81. >         if ((rnd = BN_new()) == NULL)
82.               goto err;
83.       } else

crypto/bn/bn_lib.c:276:1: start of procedure BN_new()
  274.   }
  275.   
  276. > BIGNUM *BN_new(void)
  277.   {
  278.       BIGNUM *ret;

crypto/bn/bn_lib.c:280:9: 
  278.       BIGNUM *ret;
  279.   
  280. >     if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
  281.           BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);
  282.           return (NULL);

crypto/mem.c:156:1: start of procedure CRYPTO_zalloc()
    154.   }
    155.   
    156. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:158:5: 
    156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158. >     void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       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 (num <= 0)

crypto/mem.c:123:9: Taking false branch
      121.       void *ret = NULL;
      122.   
      123.       if (num <= 0)
                     ^
      124.           return NULL;
      125.   

crypto/mem.c:126:5: 
      124.           return NULL;
      125.   
      126. >     allow_customize = 0;
      127.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      128.       if (call_malloc_debug) {

crypto/mem.c:136:5: 
      134.       }
      135.   #else
      136. >     (void)file;
      137.       (void)line;
      138.       ret = malloc(num);

crypto/mem.c:137:5: 
      135.   #else
      136.       (void)file;
      137. >     (void)line;
      138.       ret = malloc(num);
      139.   #endif

crypto/mem.c:138:5: 
      136.       (void)file;
      137.       (void)line;
      138. >     ret = malloc(num);
      139.   #endif
      140.   

crypto/mem.c:153:5: 
      151.   #endif
      152.   
      153. >     return ret;
      154.   }
      155.   

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

crypto/mem.c:160:9: Taking true branch
    158.       void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)
                   ^
    161.           memset(ret, 0, num);
    162.       return ret;

crypto/mem.c:161:9: 
    159.   
    160.       if (ret != NULL)
    161. >         memset(ret, 0, num);
    162.       return ret;
    163.   }

crypto/mem.c:162:5: 
    160.       if (ret != NULL)
    161.           memset(ret, 0, num);
    162. >     return ret;
    163.   }
    164.   

crypto/mem.c:163:1: return from a call to CRYPTO_zalloc
    161.           memset(ret, 0, num);
    162.       return ret;
    163. > }
    164.   
    165.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/bn/bn_lib.c:280:9: Taking false branch
  278.       BIGNUM *ret;
  279.   
  280.       if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
                 ^
  281.           BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);
  282.           return (NULL);

crypto/bn/bn_lib.c:284:5: 
  282.           return (NULL);
  283.       }
  284. >     ret->flags = BN_FLG_MALLOCED;
  285.       bn_check_top(ret);
  286.       return (ret);

crypto/bn/bn_lib.c:286:5: 
  284.       ret->flags = BN_FLG_MALLOCED;
  285.       bn_check_top(ret);
  286. >     return (ret);
  287.   }
  288.   

crypto/bn/bn_lib.c:287:1: return from a call to BN_new
  285.       bn_check_top(ret);
  286.       return (ret);
  287. > }
  288.   
  289.    BIGNUM *BN_secure_new(void)

crypto/bn/bn_depr.c:81:13: Taking false branch
79.   
80.       if (ret == NULL) {
81.           if ((rnd = BN_new()) == NULL)
                  ^
82.               goto err;
83.       } else

crypto/bn/bn_depr.c:85:10: Taking true branch
83.       } else
84.           rnd = ret;
85.       if (!BN_generate_prime_ex(rnd, bits, safe, add, rem, &cb))
               ^
86.           goto err;
87.   

crypto/bn/bn_depr.c:90:2: 
88.       /* we have a prime :-) */
89.       return ret;
90. >  err:
91.       BN_free(rnd);
92.       return NULL;

crypto/bn/bn_depr.c:91:5: 
89.       return ret;
90.    err:
91. >     BN_free(rnd);
92.       return NULL;
93.   }

crypto/bn/bn_lib.c:251:1: start of procedure BN_free()
  249.   }
  250.   
  251. > void BN_free(BIGNUM *a)
  252.   {
  253.       if (a == NULL)

crypto/bn/bn_lib.c:253:9: Taking false branch
  251.   void BN_free(BIGNUM *a)
  252.   {
  253.       if (a == NULL)
                 ^
  254.           return;
  255.       bn_check_top(a);

crypto/bn/bn_lib.c:256:10: 
  254.           return;
  255.       bn_check_top(a);
  256. >     if (!BN_get_flags(a, BN_FLG_STATIC_DATA))
  257.           bn_free_d(a);
  258.       if (a->flags & BN_FLG_MALLOCED)

crypto/bn/bn_lib.c:1041:1: start of procedure BN_get_flags()
    1039.   }
    1040.   
    1041. > int BN_get_flags(const BIGNUM *b, int n)
    1042.   {
    1043.       return b->flags & n;

crypto/bn/bn_lib.c:1043:5: 
    1041.   int BN_get_flags(const BIGNUM *b, int n)
    1042.   {
    1043. >     return b->flags & n;
    1044.   }
    1045.   

crypto/bn/bn_lib.c:1044:1: return from a call to BN_get_flags
    1042.   {
    1043.       return b->flags & n;
    1044. > }
    1045.   
    1046.   /* Populate a BN_GENCB structure with an "old"-style callback */

crypto/bn/bn_lib.c:256:10: Taking false branch
  254.           return;
  255.       bn_check_top(a);
  256.       if (!BN_get_flags(a, BN_FLG_STATIC_DATA))
                  ^
  257.           bn_free_d(a);
  258.       if (a->flags & BN_FLG_MALLOCED)

crypto/bn/bn_lib.c:258:9: Taking false branch
  256.       if (!BN_get_flags(a, BN_FLG_STATIC_DATA))
  257.           bn_free_d(a);
  258.       if (a->flags & BN_FLG_MALLOCED)
                 ^
  259.           OPENSSL_free(a);
  260.       else {

crypto/bn/bn_lib.c:262:9: 
  260.       else {
  261.   #if OPENSSL_API_COMPAT < 0x00908000L
  262. >         a->flags |= BN_FLG_FREE;
  263.   #endif
  264.           a->d = NULL;

crypto/bn/bn_lib.c:264:9: 
  262.           a->flags |= BN_FLG_FREE;
  263.   #endif
  264. >         a->d = NULL;
  265.       }
  266.   }

crypto/bn/bn_lib.c:258:5: 
  256.       if (!BN_get_flags(a, BN_FLG_STATIC_DATA))
  257.           bn_free_d(a);
  258. >     if (a->flags & BN_FLG_MALLOCED)
  259.           OPENSSL_free(a);
  260.       else {

crypto/bn/bn_lib.c:266:1: return from a call to BN_free
  264.           a->d = NULL;
  265.       }
  266. > }
  267.   
  268.   void bn_init(BIGNUM *a)

BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe,
                          const BIGNUM *add, const BIGNUM *rem,
                          void (*callback) (int, int, void *), void *cb_arg)
{
    BN_GENCB cb;
    BIGNUM *rnd = NULL;
    BN_GENCB_set_old(&cb, callback, cb_arg);
    if (ret == NULL) {
        if ((rnd = BN_new()) == NULL)
            goto err;
    } else
        rnd = ret;
    if (!BN_generate_prime_ex(rnd, bits, safe, add, rem, &cb))
        goto err;
    return ret;
 err:
    BN_free(rnd);
    return NULL;
}
['BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe,\n                          const BIGNUM *add, const BIGNUM *rem,\n                          void (*callback) (int, int, void *), void *cb_arg)\n{\n    BN_GENCB cb;\n    BIGNUM *rnd = NULL;\n    BN_GENCB_set_old(&cb, callback, cb_arg);\n    if (ret == NULL) {\n        if ((rnd = BN_new()) == NULL)\n            goto err;\n    } else\n        rnd = ret;\n    if (!BN_generate_prime_ex(rnd, bits, safe, add, rem, &cb))\n        goto err;\n    return ret;\n err:\n    BN_free(rnd);\n    return NULL;\n}', 'void BN_GENCB_set_old(BN_GENCB *gencb, void (*callback) (int, int, void *),\n                      void *cb_arg)\n{\n    BN_GENCB *tmp_gencb = gencb;\n    tmp_gencb->ver = 1;\n    tmp_gencb->arg = cb_arg;\n    tmp_gencb->cb.cb_1 = callback;\n}', 'BIGNUM *BN_new(void)\n{\n    BIGNUM *ret;\n    if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {\n        BNerr(BN_F_BN_NEW, ERR_R_MALLOC_FAILURE);\n        return (NULL);\n    }\n    ret->flags = BN_FLG_MALLOCED;\n    bn_check_top(ret);\n    return (ret);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n    void *ret = CRYPTO_malloc(num, file, line);\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 (num <= 0)\n        return NULL;\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;\n    (void)line;\n    ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n    if (ret && (num > 2048)) {\n        extern unsigned char cleanse_ctr;\n        ((unsigned char *)ret)[0] = cleanse_ctr;\n    }\n#endif\n    return ret;\n}', 'void BN_free(BIGNUM *a)\n{\n    if (a == NULL)\n        return;\n    bn_check_top(a);\n    if (!BN_get_flags(a, BN_FLG_STATIC_DATA))\n        bn_free_d(a);\n    if (a->flags & BN_FLG_MALLOCED)\n        OPENSSL_free(a);\n    else {\n#if OPENSSL_API_COMPAT < 0x00908000L\n        a->flags |= BN_FLG_FREE;\n#endif\n        a->d = NULL;\n    }\n}', 'int BN_get_flags(const BIGNUM *b, int n)\n{\n    return b->flags & n;\n}']