crypto/bn/bn_mont.c:430: error: BUFFER_OVERRUN_L3
  Offset added: [0, 512] Size: [0, 536870848] by call to `BN_lshift`.
Showing all 13 steps of the trace


crypto/bn/bn_mont.c:358:15: Call
356.   
357.       BN_CTX_start(ctx);
358.       if ((Ri = BN_CTX_get(ctx)) == NULL)
                     ^
359.           goto err;
360.       R = &(mont->RR);            /* grab RR as a temp */

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->d`
    528.   }
    529.   
    530. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    531.   {
    532.       bn_check_top(a);

crypto/bn/bn_mont.c:430:14: Call
428.           if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
429.               goto err;
430.           if (!BN_lshift(Ri, Ri, BN_BITS2))
                    ^
431.               goto err;           /* R*Ri */
432.           if (!BN_is_zero(Ri)) {

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:162:5: Array access: Offset added: [0, 512] Size: [0, 536870848] by call to `BN_lshift` 
  160.               t[nw + i] = (l << lb) & BN_MASK2;
  161.           }
  162.       memset(t, 0, sizeof(*t) * nw);
             ^
  163.       r->top = a->top + nw + 1;
  164.       bn_correct_top(r);
