crypto/rand/rand_lib.c:769: error: NULL_DEREFERENCE
  pointer `meth` last assigned on line 767 could be null and is dereferenced at line 769, column 9.
Showing all 14 steps of the trace


crypto/rand/rand_lib.c:765:1: start of procedure RAND_seed()
763.   #endif
764.   
765. > void RAND_seed(const void *buf, int num)
766.   {
767.       const RAND_METHOD *meth = RAND_get_rand_method();

crypto/rand/rand_lib.c:767:5: 
765.   void RAND_seed(const void *buf, int num)
766.   {
767. >     const RAND_METHOD *meth = RAND_get_rand_method();
768.   
769.       if (meth->seed != NULL)

crypto/rand/rand_lib.c:709:1: start of procedure RAND_get_rand_method()
  707.   }
  708.   
  709. > const RAND_METHOD *RAND_get_rand_method(void)
  710.   {
  711.       const RAND_METHOD *tmp_meth = NULL;

crypto/rand/rand_lib.c:711:5: 
  709.   const RAND_METHOD *RAND_get_rand_method(void)
  710.   {
  711. >     const RAND_METHOD *tmp_meth = NULL;
  712.   
  713.       if (!RUN_ONCE(&rand_init, do_rand_init))

crypto/rand/rand_lib.c:713:10: 
  711.       const RAND_METHOD *tmp_meth = NULL;
  712.   
  713. >     if (!RUN_ONCE(&rand_init, do_rand_init))
  714.           return NULL;
  715.   

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:713:10: Condition is false
  711.       const RAND_METHOD *tmp_meth = NULL;
  712.   
  713.       if (!RUN_ONCE(&rand_init, do_rand_init))
                  ^
  714.           return NULL;
  715.   

crypto/rand/rand_lib.c:713:10: Taking true branch
  711.       const RAND_METHOD *tmp_meth = NULL;
  712.   
  713.       if (!RUN_ONCE(&rand_init, do_rand_init))
                  ^
  714.           return NULL;
  715.   

crypto/rand/rand_lib.c:714:9: 
  712.   
  713.       if (!RUN_ONCE(&rand_init, do_rand_init))
  714. >         return NULL;
  715.   
  716.       CRYPTO_THREAD_write_lock(rand_meth_lock);

crypto/rand/rand_lib.c:737:1: return from a call to RAND_get_rand_method
  735.       CRYPTO_THREAD_unlock(rand_meth_lock);
  736.       return tmp_meth;
  737. > }
  738.   
  739.   #ifndef OPENSSL_NO_ENGINE

crypto/rand/rand_lib.c:769:9: 
767.       const RAND_METHOD *meth = RAND_get_rand_method();
768.   
769. >     if (meth->seed != NULL)
770.           meth->seed(buf, num);
771.   }
