crypto/rand/rand_lib.c:167: error: NULL_DEREFERENCE
  pointer `meth` last assigned on line 165 could be null and is dereferenced at line 167, column 9.
Showing all 14 steps of the trace


crypto/rand/rand_lib.c:163:1: start of procedure RAND_status()
161.   #endif
162.   
163. > int RAND_status(void)
164.   {
165.       const RAND_METHOD *meth = RAND_get_rand_method();

crypto/rand/rand_lib.c:165:5: 
163.   int RAND_status(void)
164.   {
165. >     const RAND_METHOD *meth = RAND_get_rand_method();
166.   
167.       if (meth->status != NULL)

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

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

crypto/rand/rand_lib.c:74:10: 
  72.       const RAND_METHOD *tmp_meth = NULL;
  73.   
  74. >     if (!RUN_ONCE(&rand_init, do_rand_init))
  75.           return NULL;
  76.   

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:74:10: Condition is false
  72.       const RAND_METHOD *tmp_meth = NULL;
  73.   
  74.       if (!RUN_ONCE(&rand_init, do_rand_init))
                 ^
  75.           return NULL;
  76.   

crypto/rand/rand_lib.c:74:10: Taking true branch
  72.       const RAND_METHOD *tmp_meth = NULL;
  73.   
  74.       if (!RUN_ONCE(&rand_init, do_rand_init))
                 ^
  75.           return NULL;
  76.   

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

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

crypto/rand/rand_lib.c:167:9: 
165.       const RAND_METHOD *meth = RAND_get_rand_method();
166.   
167. >     if (meth->status != NULL)
168.           return meth->status();
169.       return 0;
