crypto/ec/ecp_smpl.c:955: error: BUFFER_OVERRUN_L3
  Offset added: [0, 24] Size: [0, +oo] by call to `BN_mod_lshift_quick`.
Showing all 15 steps of the trace


crypto/ec/ecp_smpl.c:862:10: Call
860.   
861.       BN_CTX_start(ctx);
862.       n0 = BN_CTX_get(ctx);
                ^
863.       n1 = BN_CTX_get(ctx);
864.       n2 = BN_CTX_get(ctx);

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/ec/ecp_smpl.c:955:10: Call
953.       if (!field_sqr(group, n0, n3, ctx))
954.           goto err;
955.       if (!BN_mod_lshift_quick(n3, n0, 3, p))
                ^
956.           goto err;
957.       /* n3 = 8 * Y_a^4 */

crypto/bn/bn_mod.c:265:1: Parameter `n`
  263.    * m
  264.    */
  265. > int BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m)
  266.   {
  267.       if (r != a) {

crypto/bn/bn_mod.c:288:18: Call
  286.   
  287.           if (max_shift) {
  288.               if (!BN_lshift(r, r, max_shift))
                          ^
  289.                   return 0;
  290.               n -= max_shift;

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, 24] Size: [0, +oo] by call to `BN_mod_lshift_quick` 
    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);
