crypto/pem/pvkfmt.c:656: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 647, column 24 is not reachable after line 656, column 5.
Showing all 45 steps of the trace


crypto/pem/pvkfmt.c:643:1: start of procedure derive_pvk_key()
641.   }
642.   
643. > static int derive_pvk_key(unsigned char *key,
644.                             const unsigned char *salt, unsigned int saltlen,
645.                             const unsigned char *pass, int passlen)

crypto/pem/pvkfmt.c:647:5: 
645.                             const unsigned char *pass, int passlen)
646.   {
647. >     EVP_MD_CTX *mctx = EVP_MD_CTX_new();
648.       int rv = 1;
649.       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:186:1: start of procedure CRYPTO_zalloc()
    184.   }
    185.   
    186. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    187.   {
    188.       void *ret = CRYPTO_malloc(num, file, line);

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

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

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

crypto/mem.c:162:9: Taking false branch
      160.       void *ret = NULL;
      161.   
      162.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      163.           return malloc_impl(num, file, line);
      164.   

crypto/mem.c:165:9: Taking false branch
      163.           return malloc_impl(num, file, line);
      164.   
      165.       if (num == 0)
                     ^
      166.           return NULL;
      167.   

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

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

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

crypto/mem.c:180:5: 
      178.   #else
      179.       osslargused(file); osslargused(line);
      180. >     ret = malloc(num);
      181.   #endif
      182.   

crypto/mem.c:183:5: 
      181.   #endif
      182.   
      183. >     return ret;
      184.   }
      185.   

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

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

crypto/mem.c:192:9: 
    190.       FAILTEST();
    191.       if (ret != NULL)
    192. >         memset(ret, 0, num);
    193.       return ret;
    194.   }

crypto/mem.c:193:5: 
    191.       if (ret != NULL)
    192.           memset(ret, 0, num);
    193. >     return ret;
    194.   }
    195.   

crypto/mem.c:194:1: return from a call to CRYPTO_zalloc
    192.           memset(ret, 0, num);
    193.       return ret;
    194. > }
    195.   
    196.   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:648:5: 
646.   {
647.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
648. >     int rv = 1;
649.       if (mctx == NULL
650.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)

crypto/pem/pvkfmt.c:649:9: Taking false branch
647.       EVP_MD_CTX *mctx = EVP_MD_CTX_new();
648.       int rv = 1;
649.       if (mctx == NULL
               ^
650.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
651.           || !EVP_DigestUpdate(mctx, salt, saltlen)

crypto/pem/pvkfmt.c:650:13: 
648.       int rv = 1;
649.       if (mctx == NULL
650. >         || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
651.           || !EVP_DigestUpdate(mctx, salt, saltlen)
652.           || !EVP_DigestUpdate(mctx, pass, passlen)

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/pem/pvkfmt.c:650:13: Taking false branch
648.       int rv = 1;
649.       if (mctx == NULL
650.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
                   ^
651.           || !EVP_DigestUpdate(mctx, salt, saltlen)
652.           || !EVP_DigestUpdate(mctx, pass, passlen)

crypto/pem/pvkfmt.c:651:13: 
649.       if (mctx == NULL
650.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
651. >         || !EVP_DigestUpdate(mctx, salt, saltlen)
652.           || !EVP_DigestUpdate(mctx, pass, passlen)
653.           || !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:651:13: Taking true branch
649.       if (mctx == NULL
650.           || !EVP_DigestInit_ex(mctx, EVP_sha1(), NULL)
651.           || !EVP_DigestUpdate(mctx, salt, saltlen)
                   ^
652.           || !EVP_DigestUpdate(mctx, pass, passlen)
653.           || !EVP_DigestFinal_ex(mctx, key, NULL))

crypto/pem/pvkfmt.c:654:9: 
652.           || !EVP_DigestUpdate(mctx, pass, passlen)
653.           || !EVP_DigestFinal_ex(mctx, key, NULL))
654. >         rv = 0;
655.   
656.       EVP_MD_CTX_free(mctx);

crypto/pem/pvkfmt.c:656:5: 
654.           rv = 0;
655.   
656. >     EVP_MD_CTX_free(mctx);
657.       return rv;
658.   }

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

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

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

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

crypto/mem.c:257:9: 
    255.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    256.           free_impl(str, file, line);
    257. >         return;
    258.       }
    259.   

crypto/mem.c:271:1: return from a call to CRYPTO_free
    269.       free(str);
    270.   #endif
    271. > }
    272.   
    273.   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    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}', '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    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}']