crypto/x509v3/v3_scts.c:252: error: USE_AFTER_FREE
  call to `SCT_LIST_free()` eventually accesses memory that was invalidated by call to `free()` on line 185 indirectly during the call to `sk_SCT_push()`.
Showing all 22 steps of the trace


crypto/x509v3/v3_scts.c:169:15: invalidation part of the trace starts here
167.           goto done;
168.   
169.       if ((sk = sk_SCT_new_null()) == NULL)
                     ^
170.           goto done;
171.   

crypto/x509v3/v3_scts.c:169:15: passed as argument to `sk_SCT_new_null`
  167.           goto done;
  168.   
  169.       if ((sk = sk_SCT_new_null()) == NULL)
                       ^
  170.           goto done;
  171.   

crypto/x509v3/v3_scts.c:169:15: return from call to `sk_SCT_new_null`
  167.           goto done;
  168.   
  169.       if ((sk = sk_SCT_new_null()) == NULL)
                       ^
  170.           goto done;
  171.   

crypto/x509v3/v3_scts.c:169:10: assigned
  167.           goto done;
  168.   
  169.       if ((sk = sk_SCT_new_null()) == NULL)
                  ^
  170.           goto done;
  171.   

crypto/x509v3/v3_scts.c:185:14: when calling `sk_SCT_push` here
  183.           if (sct == NULL)
  184.               goto err;
  185.           if (!sk_SCT_push(sk, sct)) {
                      ^
  186.               OPENSSL_free(sct);
  187.               goto err;

crypto/include/internal/ct_int.h:117:1: parameter `sk` of sk_SCT_push
    115.   } SCT;
    116.   
    117. > DEFINE_STACK_OF(SCT)
    118.   
    119.   /*

crypto/include/internal/ct_int.h:117:1: when calling `sk_push` here
    115.   } SCT;
    116.   
    117. > DEFINE_STACK_OF(SCT)
    118.   
    119.   /*

crypto/stack/stack.c:259:1: parameter `st` of sk_push
      257.   }
      258.   
      259. > int sk_push(_STACK *st, void *data)
      260.   {
      261.       return (sk_insert(st, data, st->num));

crypto/stack/stack.c:261:13: when calling `sk_insert` here
      259.   int sk_push(_STACK *st, void *data)
      260.   {
      261.       return (sk_insert(st, data, st->num));
                         ^
      262.   }
      263.   

crypto/stack/stack.c:167:1: parameter `st` of sk_insert
        165.   }
        166.   
        167. > int sk_insert(_STACK *st, void *data, int loc)
        168.   {
        169.       char **s;

crypto/stack/stack.c:174:13: when calling `CRYPTO_realloc` here
        172.           return 0;
        173.       if (st->num_alloc <= st->num + 1) {
        174.           s = OPENSSL_realloc((char *)st->data,
                           ^
        175.                               (unsigned int)sizeof(char *) * st->num_alloc * 2);
        176.           if (s == NULL)

crypto/mem.c:166:1: parameter `str` of CRYPTO_realloc
          164.   }
          165.   
          166. > void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)
          167.   {
          168.       if (str == NULL)

crypto/mem.c:172:9: when calling `CRYPTO_free` here
          170.   
          171.       if (num == 0) {
          172.           CRYPTO_free(str);
                         ^
          173.           return NULL;
          174.       }

crypto/mem.c:234:1: parameter `str` of CRYPTO_free
            232.   }
            233.   
            234. > void CRYPTO_free(void *str)
            235.   {
            236.   #ifdef CRYPTO_MDEBUG

crypto/mem.c:245:5: was invalidated by call to `free()`
            243.       }
            244.   #else
            245.       free(str);
                       ^
            246.   #endif
            247.   }

crypto/x509v3/v3_scts.c:169:15: use-after-lifetime part of the trace starts here
167.           goto done;
168.   
169.       if ((sk = sk_SCT_new_null()) == NULL)
                     ^
170.           goto done;
171.   

crypto/x509v3/v3_scts.c:169:15: passed as argument to `sk_SCT_new_null`
  167.           goto done;
  168.   
  169.       if ((sk = sk_SCT_new_null()) == NULL)
                       ^
  170.           goto done;
  171.   

crypto/x509v3/v3_scts.c:169:15: return from call to `sk_SCT_new_null`
  167.           goto done;
  168.   
  169.       if ((sk = sk_SCT_new_null()) == NULL)
                       ^
  170.           goto done;
  171.   

crypto/x509v3/v3_scts.c:169:10: assigned
  167.           goto done;
  168.   
  169.       if ((sk = sk_SCT_new_null()) == NULL)
                  ^
  170.           goto done;
  171.   

crypto/x509v3/v3_scts.c:252:5: when calling `SCT_LIST_free` here
  250.   
  251.    err:
  252.       SCT_LIST_free(sk);
             ^
  253.       sk = NULL;
  254.       goto done;

crypto/mem.c:234:1: parameter `str` of CRYPTO_free
    232.   }
    233.   
    234. > void CRYPTO_free(void *str)
    235.   {
    236.   #ifdef CRYPTO_MDEBUG

crypto/mem.c:245:5: invalid access occurs here
    243.       }
    244.   #else
    245.       free(str);
               ^
    246.   #endif
    247.   }
