crypto/bn/bn_recp.c:240: error: BUFFER_OVERRUN_L3
  Offset: [1, +oo] Size: [0, 8388607] by call to `BN_div`.
Showing all 15 steps of the trace


crypto/bn/bn_recp.c:234:14: Call
232.   
233.       BN_CTX_start(ctx);
234.       if ((t = BN_CTX_get(ctx)) == NULL)
                    ^
235.           goto err;
236.   

crypto/bn/bn_ctx.c:284:5: Call
  282.       }
  283.       /* OK, make sure the returned bignum is "zero" */
  284.       BN_zero(ret);
             ^
  285.       ctx->used++;
  286.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:530:1: Parameter `a->top`
    528.   }
    529.   
    530. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    531.   {
    532.       bn_check_top(a);

crypto/bn/bn_recp.c:240:10: Call
238.           goto err;
239.   
240.       if (!BN_div(r, NULL, t, m, ctx))
                ^
241.           goto err;
242.   

crypto/bn/bn_div.c:189:1: Parameter `num->top`
  187.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  188.    */
  189. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  190.              BN_CTX *ctx)
  191.   {

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

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

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

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

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

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

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

crypto/bn/bn_lib.c:995:1: Parameter `*a->d`
      993.   }
      994.   
      995. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
      996.   {
      997.       return (words <= a->dmax) ? a : bn_expand2(a, words);

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

crypto/bn/bn_shift.c:159:13: Array access: Offset: [1, +oo] Size: [0, 8388607] by call to `BN_div` 
    157.           for (i = a->top - 1; i >= 0; i--) {
    158.               l = f[i];
    159.               t[nw + i + 1] |= (l >> rb) & BN_MASK2;
                       ^
    160.               t[nw + i] = (l << lb) & BN_MASK2;
    161.           }
