crypto/pem/pvkfmt.c:666: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 657, column 24 is not reachable after line 666, column 5.
Showing all 46 steps of the trace


crypto/pem/pvkfmt.c:653:1: start of procedure derive_pvk_key()
651.   }
652.   
653. > static int derive_pvk_key(unsigned char *key,
654.                             const unsigned char *salt, unsigned int saltlen,
655.                             const unsigned char *pass, int passlen)

crypto/pem/pvkfmt.c:657:5: 
655.                             const unsigned char *pass, int passlen)
656.   {
657. >     EVP_MD_CTX *mctx = EVP_MD_CTX_new();
658.       int rv = 1;
659.       if (mctx == 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:228:1: start of procedure CRYPTO_zalloc()
    226.   }
    227.   
    228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    229.   {
    230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:5: 
    228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    229.   {
    230. >     void *ret = CRYPTO_malloc(num, file, line);
    231.   
    232.       FAILTEST();

crypto/mem.c:192:1: start of procedure CRYPTO_malloc()
      190.   #endif
      191.   
      192. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      193.   {
      194.       void *ret = NULL;

crypto/mem.c:194:5: 
      192.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      193.   {
      194. >     void *ret = NULL;
      195.   
      196.       INCREMENT(malloc_count);

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

crypto/mem.c:200:9: Taking false branch
      198.           return malloc_impl(num, file, line);
      199.   
      200.       if (num == 0)
                     ^
      201.           return NULL;
      202.   

crypto/mem.c:204:9: Taking true branch
      202.   
      203.       FAILTEST();
      204.       if (allow_customize) {
                     ^
      205.           /*
      206.            * Disallow customization after the first allocation. We only set this

crypto/mem.c:210:9: 
      208.            * allocation.
      209.            */
      210. >         allow_customize = 0;
      211.       }
      212.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG

crypto/mem.c:221:5: 
      219.       }
      220.   #else
      221. >     (void)(file); (void)(line);
      222.       ret = malloc(num);
      223.   #endif

crypto/mem.c:221:19: 
      219.       }
      220.   #else
      221. >     (void)(file); (void)(line);
      222.       ret = malloc(num);
      223.   #endif

crypto/mem.c:222:5: 
      220.   #else
      221.       (void)(file); (void)(line);
      222. >     ret = malloc(num);
      223.   #endif
      224.   

crypto/mem.c:225:5: 
      223.   #endif
      224.   
      225. >     return ret;
      226.   }
      227.   

crypto/mem.c:226:1: return from a call to CRYPTO_malloc
      224.   
      225.       return ret;
      226. > }
      227.   
      228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:233:9: Taking true branch
    231.   
    232.       FAILTEST();
    233.       if (ret != NULL)
                   ^
    234.           memset(ret, 0, num);
    235.       return ret;

crypto/mem.c:234:9: 
    232.       FAILTEST();
    233.       if (ret != NULL)
    234. >         memset(ret, 0, num);
    235.       return ret;
    236.   }

crypto/mem.c:235:5: 
    233.       if (ret != NULL)
    234.           memset(ret, 0, num);
    235. >     return ret;
    236.   }
    237.   

crypto/mem.c:236:1: return from a call to CRYPTO_zalloc
    234.           memset(ret, 0, num);
    235.       return ret;
    236. > }
    237.   
    238.   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/pem/pvkfmt.c:658:5: 
656.   {
657.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
658. >     int rv = 1;
659.       if (mctx == NULL
660.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)

crypto/pem/pvkfmt.c:659:9: Taking false branch
657.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
658.       int rv = 1;
659.       if (mctx == NULL
               ^
660.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
661.           || !EVP_DigestUpdate(mctx, salt, saltlen)

crypto/pem/pvkfmt.c:660:13: 
658.       int rv = 1;
659.       if (mctx == NULL
660. >         || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
661.           || !EVP_DigestUpdate(mctx, salt, saltlen)
662.           || !EVP_DigestUpdate(mctx, pass, passlen)

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

crypto/evp/m_sha1.c:111:5: 
  109.   const EVP_MD *EVP_sha1(void)
  110.   {
  111. >     return &sha1_md;
  112.   }
  113.   

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

crypto/pem/pvkfmt.c:660:13: Taking false branch
658.       int rv = 1;
659.       if (mctx == NULL
660.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
                   ^
661.           || !EVP_DigestUpdate(mctx, salt, saltlen)
662.           || !EVP_DigestUpdate(mctx, pass, passlen)

crypto/pem/pvkfmt.c:661:13: 
659.       if (mctx == NULL
660.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
661. >         || !EVP_DigestUpdate(mctx, salt, saltlen)
662.           || !EVP_DigestUpdate(mctx, pass, passlen)
663.           || !EVP_DigestFinal_ex(mctx, key, NULL))

crypto/evp/digest.c:146:1: start of procedure EVP_DigestUpdate()
  144.   }
  145.   
  146. > int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
  147.   {
  148.       return ctx->update(ctx, data, count);

crypto/evp/digest.c:148:5: Skipping __function_pointer__(): unresolved function pointer
  146.   int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
  147.   {
  148.       return ctx->update(ctx, data, count);
             ^
  149.   }
  150.   

crypto/evp/digest.c:149:1: return from a call to EVP_DigestUpdate
  147.   {
  148.       return ctx->update(ctx, data, count);
  149. > }
  150.   
  151.   /* The caller can assume that this removes any secret data from the context */

crypto/pem/pvkfmt.c:661:13: Taking true branch
659.       if (mctx == NULL
660.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
661.           || !EVP_DigestUpdate(mctx, salt, saltlen)
                   ^
662.           || !EVP_DigestUpdate(mctx, pass, passlen)
663.           || !EVP_DigestFinal_ex(mctx, key, NULL))

crypto/pem/pvkfmt.c:664:9: 
662.           || !EVP_DigestUpdate(mctx, pass, passlen)
663.           || !EVP_DigestFinal_ex(mctx, key, NULL))
664. >         rv = 0;
665.   
666.       EVP_MD_CTX_free(mctx);

crypto/pem/pvkfmt.c:666:5: 
664.           rv = 0;
665.   
666. >     EVP_MD_CTX_free(mctx);
667.       return rv;
668.   }

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:295:1: start of procedure CRYPTO_free()
    293.   }
    294.   
    295. > void CRYPTO_free(void *str, const char *file, int line)
    296.   {
    297.       INCREMENT(free_count);

crypto/mem.c:298:9: Taking true branch
    296.   {
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    299.           free_impl(str, file, line);
    300.           return;

crypto/mem.c:298:30: Taking true branch
    296.   {
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    299.           free_impl(str, file, line);
    300.           return;

crypto/mem.c:299:9: Skipping __function_pointer__(): unresolved function pointer
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    299.           free_impl(str, file, line);
                   ^
    300.           return;
    301.       }

crypto/mem.c:300:9: 
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    299.           free_impl(str, file, line);
    300. >         return;
    301.       }
    302.   

crypto/mem.c:314:1: return from a call to CRYPTO_free
    312.       free(str);
    313.   #endif
    314. > }
    315.   
    316.   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)

static int derive_pvk_key(unsigned char *key,
                          const unsigned char *salt, unsigned int saltlen,
                          const unsigned char *pass, int passlen)
{
    EVP_MD_CTX *mctx = EVP_MD_CTX_new();
    int rv = 1;
    if (mctx == NULL
        || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
        || !EVP_DigestUpdate(mctx, salt, saltlen)
        || !EVP_DigestUpdate(mctx, pass, passlen)
        || !EVP_DigestFinal_ex(mctx, key, NULL))
        rv = 0;
    EVP_MD_CTX_free(mctx);
    return rv;
}
['static int derive_pvk_key(unsigned char *key,\n                          const unsigned char *salt, unsigned int saltlen,\n                          const unsigned char *pass, int passlen)\n{\n    EVP_MD_CTX *mctx = EVP_MD_CTX_new();\n    int rv = 1;\n    if (mctx == NULL\n        || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)\n        || !EVP_DigestUpdate(mctx, salt, saltlen)\n        || !EVP_DigestUpdate(mctx, pass, passlen)\n        || !EVP_DigestFinal_ex(mctx, key, NULL))\n        rv = 0;\n    EVP_MD_CTX_free(mctx);\n    return rv;\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    if (allow_customize) {\n        allow_customize = 0;\n    }\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}', 'const EVP_MD *EVP_sha1(void)\n{\n    return &sha1_md;\n}', 'int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)\n{\n    return ctx->update(ctx, data, count);\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n    EVP_MD_CTX_reset(ctx);\n    OPENSSL_free(ctx);\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}']