crypto/rand/md_rand.c:517: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 320, column 9 is not reachable after line 517, column 5.
Showing all 49 steps of the trace


crypto/rand/md_rand.c:272:1: start of procedure rand_bytes()
270.   }
271.   
272. > static int rand_bytes(unsigned char *buf, int num, int pseudo)
273.   {
274.       static volatile int stirred_pool = 0;

crypto/rand/md_rand.c:274:5: 
272.   static int rand_bytes(unsigned char *buf, int num, int pseudo)
273.   {
274. >     static volatile int stirred_pool = 0;
275.       int i, j, k;
276.       size_t num_ceil, st_idx, st_num;

crypto/rand/md_rand.c:282:5: 
280.       EVP_MD_CTX *m;
281.   #ifndef GETPID_IS_MEANINGLESS
282. >     pid_t curr_pid = getpid();
283.   #endif
284.       time_t curr_time = time(NULL);

crypto/rand/md_rand.c:284:5: 
282.       pid_t curr_pid = getpid();
283.   #endif
284. >     time_t curr_time = time(NULL);
285.       int do_stir_pool = 0;
286.   /* time value for various platforms */

crypto/rand/md_rand.c:285:5: 
283.   #endif
284.       time_t curr_time = time(NULL);
285. >     int do_stir_pool = 0;
286.   /* time value for various platforms */
287.   #ifdef OPENSSL_SYS_WIN32

crypto/rand/md_rand.c:304:5: 
302.   #else
303.       struct timeval tv;
304. >     gettimeofday(&tv, NULL);
305.   #endif
306.   

crypto/rand/md_rand.c:317:9: Taking false branch
315.   #endif
316.   
317.       if (num <= 0)
               ^
318.           return 1;
319.   

crypto/rand/md_rand.c:320:5: 
318.           return 1;
319.   
320. >     m = EVP_MD_CTX_new();
321.       if (m == NULL)
322.           goto err_mem;

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:98:1: start of procedure CRYPTO_zalloc()
    96.   }
    97.   
    98. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    99.   {
    100.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:100:5: 
    98.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    99.   {
    100. >     void *ret = CRYPTO_malloc(num, file, line);
    101.   
    102.       if (ret != NULL)

crypto/mem.c:71:1: start of procedure CRYPTO_malloc()
      69.   }
      70.   
      71. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      72.   {
      73.       void *ret = NULL;

crypto/mem.c:73:5: 
      71.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      72.   {
      73. >     void *ret = NULL;
      74.   
      75.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:75:9: Taking false branch
      73.       void *ret = NULL;
      74.   
      75.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                    ^
      76.           return malloc_impl(num, file, line);
      77.   

crypto/mem.c:78:9: Taking false branch
      76.           return malloc_impl(num, file, line);
      77.   
      78.       if (num <= 0)
                    ^
      79.           return NULL;
      80.   

crypto/mem.c:81:5: 
      79.           return NULL;
      80.   
      81. >     allow_customize = 0;
      82.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      83.       if (call_malloc_debug) {

crypto/mem.c:91:5: 
      89.       }
      90.   #else
      91. >     osslargused(file); osslargused(line);
      92.       ret = malloc(num);
      93.   #endif

crypto/mem.c:91:24: 
      89.       }
      90.   #else
      91. >     osslargused(file); osslargused(line);
      92.       ret = malloc(num);
      93.   #endif

crypto/mem.c:92:5: 
      90.   #else
      91.       osslargused(file); osslargused(line);
      92. >     ret = malloc(num);
      93.   #endif
      94.   

crypto/mem.c:95:5: 
      93.   #endif
      94.   
      95. >     return ret;
      96.   }
      97.   

crypto/mem.c:96:1: return from a call to CRYPTO_malloc
      94.   
      95.       return ret;
      96. > }
      97.   
      98.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:102:9: Taking true branch
    100.       void *ret = CRYPTO_malloc(num, file, line);
    101.   
    102.       if (ret != NULL)
                   ^
    103.           memset(ret, 0, num);
    104.       return ret;

crypto/mem.c:103:9: 
    101.   
    102.       if (ret != NULL)
    103. >         memset(ret, 0, num);
    104.       return ret;
    105.   }

crypto/mem.c:104:5: 
    102.       if (ret != NULL)
    103.           memset(ret, 0, num);
    104. >     return ret;
    105.   }
    106.   

crypto/mem.c:105:1: return from a call to CRYPTO_zalloc
    103.           memset(ret, 0, num);
    104.       return ret;
    105. > }
    106.   
    107.   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/rand/md_rand.c:321:9: Taking false branch
319.   
320.       m = EVP_MD_CTX_new();
321.       if (m == NULL)
               ^
322.           goto err_mem;
323.   

crypto/rand/md_rand.c:325:5: 
323.   
324.       /* round upwards to multiple of MD_DIGEST_LENGTH/2 */
325. >     num_ceil =
326.           (1 + (num - 1) / (MD_DIGEST_LENGTH / 2)) * (MD_DIGEST_LENGTH / 2);
327.   

crypto/rand/md_rand.c:346:10: 
344.        */
345.   
346. >     if (!RUN_ONCE(&rand_lock_init, do_rand_lock_init))
347.           goto err_mem;
348.   

crypto/threads_pthread.c:63:1: start of procedure CRYPTO_THREAD_run_once()
  61.   }
  62.   
  63. > int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
  64.   {
  65.       if (pthread_once(once, init) != 0)

crypto/threads_pthread.c:65:9: Taking false branch
  63.   int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
  64.   {
  65.       if (pthread_once(once, init) != 0)
                ^
  66.           return 0;
  67.   

crypto/threads_pthread.c:68:5: 
  66.           return 0;
  67.   
  68. >     return 1;
  69.   }
  70.   

crypto/threads_pthread.c:69:1: return from a call to CRYPTO_THREAD_run_once
  67.   
  68.       return 1;
  69. > }
  70.   
  71.   int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))

crypto/rand/md_rand.c:346:10: Condition is true
344.        */
345.   
346.       if (!RUN_ONCE(&rand_lock_init, do_rand_lock_init))
                ^
347.           goto err_mem;
348.   

crypto/rand/md_rand.c:346:10: Taking true branch
344.        */
345.   
346.       if (!RUN_ONCE(&rand_lock_init, do_rand_lock_init))
                ^
347.           goto err_mem;
348.   

crypto/rand/md_rand.c:515:2: 
513.       EVP_MD_CTX_free(m);
514.       return 0;
515. >  err_mem:
516.       RANDerr(RAND_F_RAND_BYTES, ERR_R_MALLOC_FAILURE);
517.       EVP_MD_CTX_free(m);

crypto/rand/md_rand.c:516:5: Skipping ERR_put_error(): empty list of specs
514.       return 0;
515.    err_mem:
516.       RANDerr(RAND_F_RAND_BYTES, ERR_R_MALLOC_FAILURE);
           ^
517.       EVP_MD_CTX_free(m);
518.       return 0;

crypto/rand/md_rand.c:517:5: 
515.    err_mem:
516.       RANDerr(RAND_F_RAND_BYTES, ERR_R_MALLOC_FAILURE);
517. >     EVP_MD_CTX_free(m);
518.       return 0;
519.   

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:163:1: start of procedure CRYPTO_free()
    161.   }
    162.   
    163. > void CRYPTO_free(void *str, const char *file, int line)
    164.   {
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:165:9: Taking true branch
    163.   void CRYPTO_free(void *str, const char *file, int line)
    164.   {
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    166.           free_impl(str, file, line);
    167.           return;

crypto/mem.c:165:30: Taking true branch
    163.   void CRYPTO_free(void *str, const char *file, int line)
    164.   {
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    166.           free_impl(str, file, line);
    167.           return;

crypto/mem.c:166:9: Skipping __function_pointer__(): unresolved function pointer
    164.   {
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    166.           free_impl(str, file, line);
                   ^
    167.           return;
    168.       }

crypto/mem.c:167:9: 
    165.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    166.           free_impl(str, file, line);
    167. >         return;
    168.       }
    169.   

crypto/mem.c:181:1: return from a call to CRYPTO_free
    179.       free(str);
    180.   #endif
    181. > }
    182.   
    183.   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)
