crypto/rand/rand_lib.c:310: error: NULL_DEREFERENCE
  pointer `meth` last assigned on line 308 could be null and is dereferenced at line 310, column 9.
Showing all 14 steps of the trace


crypto/rand/rand_lib.c:306:1: start of procedure RAND_seed()
304.   #endif
305.   
306. > void RAND_seed(const void *buf, int num)
307.   {
308.       const RAND_METHOD *meth = RAND_get_rand_method();

crypto/rand/rand_lib.c:308:5: 
306.   void RAND_seed(const void *buf, int num)
307.   {
308. >     const RAND_METHOD *meth = RAND_get_rand_method();
309.   
310.       if (meth->seed != NULL)

crypto/rand/rand_lib.c:250:1: start of procedure RAND_get_rand_method()
  248.   }
  249.   
  250. > const RAND_METHOD *RAND_get_rand_method(void)
  251.   {
  252.       const RAND_METHOD *tmp_meth = NULL;

crypto/rand/rand_lib.c:252:5: 
  250.   const RAND_METHOD *RAND_get_rand_method(void)
  251.   {
  252. >     const RAND_METHOD *tmp_meth = NULL;
  253.   
  254.       if (!RUN_ONCE(&rand_init, do_rand_init))

crypto/rand/rand_lib.c:254:10: 
  252.       const RAND_METHOD *tmp_meth = NULL;
  253.   
  254. >     if (!RUN_ONCE(&rand_init, do_rand_init))
  255.           return NULL;
  256.   

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:254:10: Condition is false
  252.       const RAND_METHOD *tmp_meth = NULL;
  253.   
  254.       if (!RUN_ONCE(&rand_init, do_rand_init))
                  ^
  255.           return NULL;
  256.   

crypto/rand/rand_lib.c:254:10: Taking true branch
  252.       const RAND_METHOD *tmp_meth = NULL;
  253.   
  254.       if (!RUN_ONCE(&rand_init, do_rand_init))
                  ^
  255.           return NULL;
  256.   

crypto/rand/rand_lib.c:255:9: 
  253.   
  254.       if (!RUN_ONCE(&rand_init, do_rand_init))
  255. >         return NULL;
  256.   
  257.       CRYPTO_THREAD_write_lock(rand_meth_lock);

crypto/rand/rand_lib.c:278:1: return from a call to RAND_get_rand_method
  276.       CRYPTO_THREAD_unlock(rand_meth_lock);
  277.       return tmp_meth;
  278. > }
  279.   
  280.   #ifndef OPENSSL_NO_ENGINE

crypto/rand/rand_lib.c:310:9: 
308.       const RAND_METHOD *meth = RAND_get_rand_method();
309.   
310. >     if (meth->seed != NULL)
311.           meth->seed(buf, num);
312.   }
