crypto/bn/bn_recp.c:191: 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:185:14: Call
183.   
184.       BN_CTX_start(ctx);
185.       if ((t = BN_CTX_get(ctx)) == NULL)
                    ^
186.           goto err;
187.   

crypto/bn/bn_ctx.c:229:5: Call
  227.       }
  228.       /* OK, make sure the returned bignum is "zero" */
  229.       BN_zero(ret);
             ^
  230.       ctx->used++;
  231.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:463:1: Parameter `a->top`
    461.   }
    462.   
    463. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    464.   {
    465.       bn_check_top(a);

crypto/bn/bn_recp.c:191:10: Call
189.           goto err;
190.   
191.       if (!BN_div(r, NULL, t, m, ctx))
                ^
192.           goto err;
193.   

crypto/bn/bn_div.c:140:1: Parameter `num->top`
  138.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  139.    */
  140. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  141.              BN_CTX *ctx)
  142.   {

crypto/bn/bn_div.c:210:11: Call
  208.       sdiv->neg = 0;
  209.       norm_shift += BN_BITS2;
  210.       if (!(BN_lshift(snum, num, norm_shift)))
                   ^
  211.           goto err;
  212.       snum->neg = 0;

crypto/bn/bn_shift.c:81:1: <Offset trace>
79.   }
80.   
81. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
82.   {
83.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:81:1: Parameter `n`
    79.   }
    80.   
    81. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
    82.   {
    83.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:95:5: Assignment
    93.       }
    94.   
    95.       nw = n / BN_BITS2;
              ^
    96.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
    97.           return (0);

crypto/bn/bn_shift.c:81:1: <Length trace>
79.   }
80.   
81. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
82.   {
83.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:81:1: Parameter `*r->d`
    79.   }
    80.   
    81. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
    82.   {
    83.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:96:9: Call
    94.   
    95.       nw = n / BN_BITS2;
    96.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
                  ^
    97.           return (0);
    98.       r->neg = a->neg;

crypto/bn/bn_lib.c:1016:1: Parameter `*a->d`
      1014.   }
      1015.   
      1016. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
      1017.   {
      1018.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_shift.c:102:5: Assignment
    100.       rb = BN_BITS2 - lb;
    101.       f = a->d;
    102.       t = r->d;
               ^
    103.       t[a->top + nw] = 0;
    104.       if (lb == 0)

crypto/bn/bn_shift.c:110:13: Array access: Offset: [1, +oo] Size: [0, 8388607] by call to `BN_div` 
    108.           for (i = a->top - 1; i >= 0; i--) {
    109.               l = f[i];
    110.               t[nw + i + 1] |= (l >> rb) & BN_MASK2;
                       ^
    111.               t[nw + i] = (l << lb) & BN_MASK2;
    112.           }
