crypto/bn/bn_div.c:258: error: BUFFER_OVERRUN_L3
  Offset added: [0, 1528] Size: [0, 536870848] by call to `BN_lshift`.
Showing all 14 steps of the trace


crypto/bn/bn_div.c:253:31: Call
251.   
252.       /* First we normalise the numbers */
253.       norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);
                                     ^
254.       if (!(BN_lshift(sdiv, divisor, norm_shift)))
255.           goto err;

crypto/bn/bn_lib.c:220:9: Assignment
  218.   
  219.       if (BN_is_zero(a))
  220.           return 0;
                 ^
  221.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));
  222.   }

crypto/bn/bn_div.c:253:5: Assignment
251.   
252.       /* First we normalise the numbers */
253.       norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);
           ^
254.       if (!(BN_lshift(sdiv, divisor, norm_shift)))
255.           goto err;

crypto/bn/bn_div.c:257:5: Assignment
255.           goto err;
256.       sdiv->neg = 0;
257.       norm_shift += BN_BITS2;
           ^
258.       if (!(BN_lshift(snum, num, norm_shift)))
259.           goto err;

crypto/bn/bn_div.c:258:11: Call
256.       sdiv->neg = 0;
257.       norm_shift += BN_BITS2;
258.       if (!(BN_lshift(snum, num, norm_shift)))
                 ^
259.           goto err;
260.       snum->neg = 0;

crypto/bn/bn_shift.c:129:1: <Offset trace>
127.   }
128.   
129. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
130.   {
131.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:129:1: Parameter `n`
  127.   }
  128.   
  129. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
  130.   {
  131.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:144:5: Assignment
  142.   
  143.       r->neg = a->neg;
  144.       nw = n / BN_BITS2;
             ^
  145.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
  146.           return (0);

crypto/bn/bn_shift.c:129:1: <Length trace>
127.   }
128.   
129. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
130.   {
131.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:129:1: Parameter `*r->d`
  127.   }
  128.   
  129. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
  130.   {
  131.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:145:9: Call
  143.       r->neg = a->neg;
  144.       nw = n / BN_BITS2;
  145.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
                 ^
  146.           return (0);
  147.       lb = n % BN_BITS2;

crypto/bn/bn_lib.c:1071:1: Parameter `*a->d`
    1069.   }
    1070.   
    1071. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    1072.   {
    1073.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_shift.c:150:5: Assignment
  148.       rb = BN_BITS2 - lb;
  149.       f = a->d;
  150.       t = r->d;
             ^
  151.       t[a->top + nw] = 0;
  152.       if (lb == 0)

crypto/bn/bn_shift.c:161:5: Array access: Offset added: [0, 1528] Size: [0, 536870848] by call to `BN_lshift` 
  159.               t[nw + i] = (l << lb) & BN_MASK2;
  160.           }
  161.       memset(t, 0, sizeof(*t) * nw);
             ^
  162.       r->top = a->top + nw + 1;
  163.       bn_correct_top(r);
