providers/common/ciphers/aes.c:292: error: NULL_DEREFERENCE
  pointer `ctx` last assigned on line 292 could be null and is dereferenced at line 292, column 1.
Showing all 18 steps of the trace


providers/common/ciphers/aes.c:292:1: start of procedure aes_256_cbc_newctx()
290.   /* CBC */
291.   IMPLEMENT_new_params(cbc, CBC)
292. > IMPLEMENT_new_ctx(cbc, CBC, 256)
293.   IMPLEMENT_new_ctx(cbc, CBC, 192)
294.   IMPLEMENT_new_ctx(cbc, CBC, 128)

crypto/mem.c:228:1: start of procedure CRYPTO_zalloc()
  226.   }
  227.   
  228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
  229.   {
  230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:5: 
  228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
  229.   {
  230. >     void *ret = CRYPTO_malloc(num, file, line);
  231.   
  232.       FAILTEST();

crypto/mem.c:192:1: start of procedure CRYPTO_malloc()
    190.   #endif
    191.   
    192. > void *CRYPTO_malloc(size_t num, const char *file, int line)
    193.   {
    194.       void *ret = NULL;

crypto/mem.c:194:5: 
    192.   void *CRYPTO_malloc(size_t num, const char *file, int line)
    193.   {
    194. >     void *ret = NULL;
    195.   
    196.       INCREMENT(malloc_count);

crypto/mem.c:197:9: Taking false branch
    195.   
    196.       INCREMENT(malloc_count);
    197.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                   ^
    198.           return malloc_impl(num, file, line);
    199.   

crypto/mem.c:200:9: Taking false branch
    198.           return malloc_impl(num, file, line);
    199.   
    200.       if (num == 0)
                   ^
    201.           return NULL;
    202.   

crypto/mem.c:204:9: Taking true branch
    202.   
    203.       FAILTEST();
    204.       if (allow_customize) {
                   ^
    205.           /*
    206.            * Disallow customization after the first allocation. We only set this

crypto/mem.c:210:9: 
    208.            * allocation.
    209.            */
    210. >         allow_customize = 0;
    211.       }
    212.   #if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)

crypto/mem.c:221:5: 
    219.       }
    220.   #else
    221. >     (void)(file); (void)(line);
    222.       ret = malloc(num);
    223.   #endif

crypto/mem.c:221:19: 
    219.       }
    220.   #else
    221. >     (void)(file); (void)(line);
    222.       ret = malloc(num);
    223.   #endif

crypto/mem.c:222:5: 
    220.   #else
    221.       (void)(file); (void)(line);
    222. >     ret = malloc(num);
    223.   #endif
    224.   

crypto/mem.c:225:5: 
    223.   #endif
    224.   
    225. >     return ret;
    226.   }
    227.   

crypto/mem.c:226:1: return from a call to CRYPTO_malloc
    224.   
    225.       return ret;
    226. > }
    227.   
    228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:233:9: Taking false branch
  231.   
  232.       FAILTEST();
  233.       if (ret != NULL)
                 ^
  234.           memset(ret, 0, num);
  235.       return ret;

crypto/mem.c:235:5: 
  233.       if (ret != NULL)
  234.           memset(ret, 0, num);
  235. >     return ret;
  236.   }
  237.   

crypto/mem.c:236:1: return from a call to CRYPTO_zalloc
  234.           memset(ret, 0, num);
  235.       return ret;
  236. > }
  237.   
  238.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

providers/common/ciphers/aes.c:292:1: 
290.   /* CBC */
291.   IMPLEMENT_new_params(cbc, CBC)
292. > IMPLEMENT_new_ctx(cbc, CBC, 256)
293.   IMPLEMENT_new_ctx(cbc, CBC, 192)
294.   IMPLEMENT_new_ctx(cbc, CBC, 128)
