crypto/rand/rand_lib.c:806: error: NULL_DEREFERENCE
  pointer `meth` last assigned on line 804 could be null and is dereferenced at line 806, column 9.
Showing all 14 steps of the trace


crypto/rand/rand_lib.c:802:1: start of procedure RAND_add()
800.   }
801.   
802. > void RAND_add(const void *buf, int num, double randomness)
803.   {
804.       const RAND_METHOD *meth = RAND_get_rand_method();

crypto/rand/rand_lib.c:804:5: 
802.   void RAND_add(const void *buf, int num, double randomness)
803.   {
804. >     const RAND_METHOD *meth = RAND_get_rand_method();
805.   
806.       if (meth->add != NULL)

crypto/rand/rand_lib.c:738:1: start of procedure RAND_get_rand_method()
  736.   }
  737.   
  738. > const RAND_METHOD *RAND_get_rand_method(void)
  739.   {
  740.       const RAND_METHOD *tmp_meth = NULL;

crypto/rand/rand_lib.c:740:5: 
  738.   const RAND_METHOD *RAND_get_rand_method(void)
  739.   {
  740. >     const RAND_METHOD *tmp_meth = NULL;
  741.   
  742.       if (!RUN_ONCE(&rand_init, do_rand_init))

crypto/rand/rand_lib.c:742:10: 
  740.       const RAND_METHOD *tmp_meth = NULL;
  741.   
  742. >     if (!RUN_ONCE(&rand_init, do_rand_init))
  743.           return NULL;
  744.   

crypto/threads_pthread.c:111:1: start of procedure CRYPTO_THREAD_run_once()
    109.   }
    110.   
    111. > int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
    112.   {
    113.       if (pthread_once(once, init) != 0)

crypto/threads_pthread.c:113:9: Taking true branch
    111.   int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
    112.   {
    113.       if (pthread_once(once, init) != 0)
                   ^
    114.           return 0;
    115.   

crypto/threads_pthread.c:114:9: 
    112.   {
    113.       if (pthread_once(once, init) != 0)
    114. >         return 0;
    115.   
    116.       return 1;

crypto/threads_pthread.c:117:1: return from a call to CRYPTO_THREAD_run_once
    115.   
    116.       return 1;
    117. > }
    118.   
    119.   int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))

crypto/rand/rand_lib.c:742:10: Condition is false
  740.       const RAND_METHOD *tmp_meth = NULL;
  741.   
  742.       if (!RUN_ONCE(&rand_init, do_rand_init))
                  ^
  743.           return NULL;
  744.   

crypto/rand/rand_lib.c:742:10: Taking true branch
  740.       const RAND_METHOD *tmp_meth = NULL;
  741.   
  742.       if (!RUN_ONCE(&rand_init, do_rand_init))
                  ^
  743.           return NULL;
  744.   

crypto/rand/rand_lib.c:743:9: 
  741.   
  742.       if (!RUN_ONCE(&rand_init, do_rand_init))
  743. >         return NULL;
  744.   
  745.       CRYPTO_THREAD_write_lock(rand_meth_lock);

crypto/rand/rand_lib.c:766:1: return from a call to RAND_get_rand_method
  764.       CRYPTO_THREAD_unlock(rand_meth_lock);
  765.       return tmp_meth;
  766. > }
  767.   
  768.   #ifndef OPENSSL_NO_ENGINE

crypto/rand/rand_lib.c:806:9: 
804.       const RAND_METHOD *meth = RAND_get_rand_method();
805.   
806. >     if (meth->add != NULL)
807.           meth->add(buf, num, randomness);
808.   }
