crypto/rand/rand_lib.c:805: error: NULL_DEREFERENCE
  pointer `meth` last assigned on line 803 could be null and is dereferenced at line 805, column 9.
Showing all 6 steps of the trace


crypto/rand/rand_lib.c:801:1: start of procedure RAND_pseudo_bytes()
799.   
800.   #if !OPENSSL_API_1_1_0 && !defined(FIPS_MODE)
801. > int RAND_pseudo_bytes(unsigned char *buf, int num)
802.   {
803.       const RAND_METHOD *meth = RAND_get_rand_method();

crypto/rand/rand_lib.c:803:5: 
801.   int RAND_pseudo_bytes(unsigned char *buf, int num)
802.   {
803. >     const RAND_METHOD *meth = RAND_get_rand_method();
804.   
805.       if (meth->pseudorand != NULL)

crypto/rand/rand_lib.c:671:1: start of procedure RAND_get_rand_method()
  669.   #endif
  670.   
  671. > const RAND_METHOD *RAND_get_rand_method(void)
  672.   {
  673.   #ifdef FIPS_MODE

crypto/rand/rand_lib.c:674:5: 
  672.   {
  673.   #ifdef FIPS_MODE
  674. >     return NULL;
  675.   #else
  676.       const RAND_METHOD *tmp_meth = NULL;

crypto/rand/rand_lib.c:703:1: return from a call to RAND_get_rand_method
  701.       return tmp_meth;
  702.   #endif
  703. > }
  704.   
  705.   #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)

crypto/rand/rand_lib.c:805:9: 
803.       const RAND_METHOD *meth = RAND_get_rand_method();
804.   
805. >     if (meth->pseudorand != NULL)
806.           return meth->pseudorand(buf, num);
807.       return -1;

int RAND_pseudo_bytes(unsigned char *buf, int num)
{
    const RAND_METHOD *meth = RAND_get_rand_method();
    if (meth->pseudorand != NULL)
        return meth->pseudorand(buf, num);
    return -1;
}
['int RAND_pseudo_bytes(unsigned char *buf, int num)\n{\n    const RAND_METHOD *meth = RAND_get_rand_method();\n    if (meth->pseudorand != NULL)\n        return meth->pseudorand(buf, num);\n    return -1;\n}', 'const RAND_METHOD *RAND_get_rand_method(void)\n{\n#ifdef FIPS_MODE\n    return NULL;\n#else\n    const RAND_METHOD *tmp_meth = NULL;\n    if (!RUN_ONCE(&rand_init, do_rand_init))\n        return NULL;\n    CRYPTO_THREAD_write_lock(rand_meth_lock);\n    if (default_RAND_meth == NULL) {\n# ifndef OPENSSL_NO_ENGINE\n        ENGINE *e;\n        if ((e = ENGINE_get_default_RAND()) != NULL\n                && (tmp_meth = ENGINE_get_RAND(e)) != NULL) {\n            funct_ref = e;\n            default_RAND_meth = tmp_meth;\n        } else {\n            ENGINE_finish(e);\n            default_RAND_meth = &rand_meth;\n        }\n# else\n        default_RAND_meth = &rand_meth;\n# endif\n    }\n    tmp_meth = default_RAND_meth;\n    CRYPTO_THREAD_unlock(rand_meth_lock);\n    return tmp_meth;\n#endif\n}']