crypto/rand/rand_lib.c:129: error: NULL_DEREFERENCE
  pointer `meth` last assigned on line 127 could be null and is dereferenced at line 129, column 9.
Showing all 14 steps of the trace


crypto/rand/rand_lib.c:125:1: start of procedure RAND_seed()
123.   #endif
124.   
125. > void RAND_seed(const void *buf, int num)
126.   {
127.       const RAND_METHOD *meth = RAND_get_rand_method();

crypto/rand/rand_lib.c:127:5: 
125.   void RAND_seed(const void *buf, int num)
126.   {
127. >     const RAND_METHOD *meth = RAND_get_rand_method();
128.   
129.       if (meth->seed != NULL)

crypto/rand/rand_lib.c:69:1: start of procedure RAND_get_rand_method()
  67.   }
  68.   
  69. > const RAND_METHOD *RAND_get_rand_method(void)
  70.   {
  71.       const RAND_METHOD *tmp_meth = NULL;

crypto/rand/rand_lib.c:71:5: 
  69.   const RAND_METHOD *RAND_get_rand_method(void)
  70.   {
  71. >     const RAND_METHOD *tmp_meth = NULL;
  72.   
  73.       if (!RUN_ONCE(&rand_init, do_rand_init))

crypto/rand/rand_lib.c:73:10: 
  71.       const RAND_METHOD *tmp_meth = NULL;
  72.   
  73. >     if (!RUN_ONCE(&rand_init, do_rand_init))
  74.           return NULL;
  75.   

crypto/threads_pthread.c:105:1: start of procedure CRYPTO_THREAD_run_once()
    103.   }
    104.   
    105. > int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
    106.   {
    107.       if (pthread_once(once, init) != 0)

crypto/threads_pthread.c:107:9: Taking true branch
    105.   int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
    106.   {
    107.       if (pthread_once(once, init) != 0)
                   ^
    108.           return 0;
    109.   

crypto/threads_pthread.c:108:9: 
    106.   {
    107.       if (pthread_once(once, init) != 0)
    108. >         return 0;
    109.   
    110.       return 1;

crypto/threads_pthread.c:111:1: return from a call to CRYPTO_THREAD_run_once
    109.   
    110.       return 1;
    111. > }
    112.   
    113.   int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))

crypto/rand/rand_lib.c:73:10: Condition is false
  71.       const RAND_METHOD *tmp_meth = NULL;
  72.   
  73.       if (!RUN_ONCE(&rand_init, do_rand_init))
                 ^
  74.           return NULL;
  75.   

crypto/rand/rand_lib.c:73:10: Taking true branch
  71.       const RAND_METHOD *tmp_meth = NULL;
  72.   
  73.       if (!RUN_ONCE(&rand_init, do_rand_init))
                 ^
  74.           return NULL;
  75.   

crypto/rand/rand_lib.c:74:9: 
  72.   
  73.       if (!RUN_ONCE(&rand_init, do_rand_init))
  74. >         return NULL;
  75.   
  76.       CRYPTO_THREAD_write_lock(rand_meth_lock);

crypto/rand/rand_lib.c:97:1: return from a call to RAND_get_rand_method
  95.       CRYPTO_THREAD_unlock(rand_meth_lock);
  96.       return tmp_meth;
  97. > }
  98.   
  99.   #ifndef OPENSSL_NO_ENGINE

crypto/rand/rand_lib.c:129:9: 
127.       const RAND_METHOD *meth = RAND_get_rand_method();
128.   
129. >     if (meth->seed != NULL)
130.           meth->seed(buf, num);
131.   }
