crypto/rand/rand_lib.c:356: error: NULL_DEREFERENCE
  pointer `meth` last assigned on line 354 could be null and is dereferenced at line 356, column 9.
Showing all 14 steps of the trace


crypto/rand/rand_lib.c:352:1: start of procedure RAND_add()
350.   }
351.   
352. > void RAND_add(const void *buf, int num, double randomness)
353.   {
354.       const RAND_METHOD *meth = RAND_get_rand_method();

crypto/rand/rand_lib.c:354:5: 
352.   void RAND_add(const void *buf, int num, double randomness)
353.   {
354. >     const RAND_METHOD *meth = RAND_get_rand_method();
355.   
356.       if (meth->add != NULL)

crypto/rand/rand_lib.c:288:1: start of procedure RAND_get_rand_method()
  286.   }
  287.   
  288. > const RAND_METHOD *RAND_get_rand_method(void)
  289.   {
  290.       const RAND_METHOD *tmp_meth = NULL;

crypto/rand/rand_lib.c:290:5: 
  288.   const RAND_METHOD *RAND_get_rand_method(void)
  289.   {
  290. >     const RAND_METHOD *tmp_meth = NULL;
  291.   
  292.       if (!RUN_ONCE(&rand_init, do_rand_init))

crypto/rand/rand_lib.c:292:10: 
  290.       const RAND_METHOD *tmp_meth = NULL;
  291.   
  292. >     if (!RUN_ONCE(&rand_init, do_rand_init))
  293.           return NULL;
  294.   

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:292:10: Condition is false
  290.       const RAND_METHOD *tmp_meth = NULL;
  291.   
  292.       if (!RUN_ONCE(&rand_init, do_rand_init))
                  ^
  293.           return NULL;
  294.   

crypto/rand/rand_lib.c:292:10: Taking true branch
  290.       const RAND_METHOD *tmp_meth = NULL;
  291.   
  292.       if (!RUN_ONCE(&rand_init, do_rand_init))
                  ^
  293.           return NULL;
  294.   

crypto/rand/rand_lib.c:293:9: 
  291.   
  292.       if (!RUN_ONCE(&rand_init, do_rand_init))
  293. >         return NULL;
  294.   
  295.       CRYPTO_THREAD_write_lock(rand_meth_lock);

crypto/rand/rand_lib.c:316:1: return from a call to RAND_get_rand_method
  314.       CRYPTO_THREAD_unlock(rand_meth_lock);
  315.       return tmp_meth;
  316. > }
  317.   
  318.   #ifndef OPENSSL_NO_ENGINE

crypto/rand/rand_lib.c:356:9: 
354.       const RAND_METHOD *meth = RAND_get_rand_method();
355.   
356. >     if (meth->add != NULL)
357.           meth->add(buf, num, randomness);
358.   }
