crypto/dh/dh_key.c:195: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `DH_check_pub_key`.
Showing all 14 steps of the trace


crypto/dh/dh_key.c:161:1: Parameter `dh->p->top`
159.   }
160.   
161. > static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
162.   {
163.       BN_CTX *ctx = NULL;

crypto/dh/dh_key.c:169:9: Call
167.       int check_result;
168.   
169.       if (BN_num_bits(dh->p) > OPENSSL_DH_MAX_MODULUS_BITS) {
               ^
170.           DHerr(DH_F_COMPUTE_KEY, DH_R_MODULUS_TOO_LARGE);
171.           goto err;

crypto/bn/bn_lib.c:139:9: Call
  137.       bn_check_top(a);
  138.   
  139.       if (BN_is_zero(a))
                 ^
  140.           return 0;
  141.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));

crypto/bn/bn_lib.c:846:1: Parameter `a->top`
    844.   }
    845.   
    846. > int BN_is_zero(const BIGNUM *a)
    847.   {
    848.       return a->top == 0;

crypto/dh/dh_key.c:195:10: Call
193.       }
194.   
195.       if (!DH_check_pub_key(dh, pub_key, &check_result) || check_result) {
                ^
196.           DHerr(DH_F_COMPUTE_KEY, DH_R_INVALID_PUBKEY);
197.           goto err;

crypto/dh/dh_check.c:197:1: Parameter `dh->p->top`
  195.   }
  196.   
  197. > int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret)
  198.   {
  199.       int ok = 0;

crypto/dh/dh_check.c:213:9: Call
  211.       if (BN_cmp(pub_key, tmp) <= 0)
  212.           *ret |= DH_CHECK_PUBKEY_TOO_SMALL;
  213.       if (BN_copy(tmp, dh->p) == NULL || !BN_sub_word(tmp, 1))
                 ^
  214.           goto err;
  215.       if (BN_cmp(pub_key, tmp) >= 0)

crypto/bn/bn_lib.c:280:1: <Offset trace>
278.   }
279.   
280. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
281.   {
282.       bn_check_top(b);

crypto/bn/bn_lib.c:280:1: Parameter `b->top`
    278.   }
    279.   
    280. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
    281.   {
    282.       bn_check_top(b);

crypto/bn/bn_lib.c:280:1: <Length trace>
278.   }
279.   
280. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
281.   {
282.       bn_check_top(b);

crypto/bn/bn_lib.c:280:1: Parameter `*a->d`
    278.   }
    279.   
    280. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
    281.   {
    282.       bn_check_top(b);

crypto/bn/bn_lib.c:286:9: Call
    284.       if (a == b)
    285.           return a;
    286.       if (bn_wexpand(a, b->top) == NULL)
                   ^
    287.           return NULL;
    288.   

crypto/bn/bn_lib.c:942:1: Parameter `*a->d`
      940.   }
      941.   
      942. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
      943.   {
      944.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:290:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] by call to `DH_check_pub_key` 
    288.   
    289.       if (b->top > 0)
    290.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                   ^
    291.   
    292.       a->neg = b->neg;
