crypto/ec/ecp_smpl.c:331: error: BUFFER_OVERRUN_L3
  Offset added: [0, 16] Size: [0, 536870848] by call to `BN_lshift`.
Showing all 15 steps of the trace


crypto/ec/ecp_smpl.c:298:9: Call
296.       }
297.       BN_CTX_start(ctx);
298.       a = BN_CTX_get(ctx);
               ^
299.       b = BN_CTX_get(ctx);
300.       tmp_1 = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:275:5: Call
  273.       }
  274.       /* OK, make sure the returned bignum is "zero" */
  275.       BN_zero(ret);
             ^
  276.       ctx->used++;
  277.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:520:1: Parameter `*a->d`
    518.   }
    519.   
    520. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    521.   {
    522.       bn_check_top(a);

crypto/bn/bn_lib.c:523:9: Call
    521.   {
    522.       bn_check_top(a);
    523.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                   ^
    524.           return (0);
    525.       a->neg = 0;

crypto/bn/bn_lcl.h:777:1: Parameter `*a->d`
      775.   int bn_probable_prime_dh_coprime(BIGNUM *rnd, int bits, BN_CTX *ctx);
      776.   
      777. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
      778.   {
      779.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/ec/ecp_smpl.c:331:14: Call
329.           if (!BN_mod_mul(tmp_2, tmp_1, a, p, ctx))
330.               goto err;
331.           if (!BN_lshift(tmp_1, tmp_2, 2))
                    ^
332.               goto err;
333.           /* tmp_1 = 4*a^3 */

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, 16] 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);
