test/bntest.c:1057: error: BUFFER_OVERRUN_L2
  Offset added: [0, 17179869176] Size: [0, 67108856] by call to `BN_lshift`.
Showing all 13 steps of the trace


test/bntest.c:1051:5: Assignment
1049.       BIGNUM *lshift = getBN(s, "LShift");
1050.       BIGNUM *ret = BN_new();
1051.       int n = 0;
            ^
1052.       int st = 0;
1053.   

test/bntest.c:1054:56: Call
1052.       int st = 0;
1053.   
1054.       if (a == NULL || lshift == NULL || ret == NULL || !getint(s, &n, "N"))
                                                               ^
1055.           goto err;
1056.   

test/bntest.c:122:1: Parameter `*out`
  120.   }
  121.   
  122. > static int getint(STANZA *s, int *out, const char *attribute)
  123.   {
  124.       BIGNUM *ret = getBN(s, attribute);

test/bntest.c:1057:10: Call
1055.           goto err;
1056.   
1057.       if (!BN_lshift(ret, a, n)
                 ^
1058.               || !equalBN("A << N", lshift, ret)
1059.               || !BN_rshift(ret, lshift, n)

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:96:5: Assignment
  94.   
  95.       r->neg = a->neg;
  96.       nw = n / BN_BITS2;
            ^
  97.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
  98.           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:97:9: Call
  95.       r->neg = a->neg;
  96.       nw = n / BN_BITS2;
  97.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
                 ^
  98.           return (0);
  99.       lb = n % BN_BITS2;

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:113:5: Array access: Offset added: [0, 17179869176] Size: [0, 67108856] by call to `BN_lshift` 
  111.               t[nw + i] = (l << lb) & BN_MASK2;
  112.           }
  113.       memset(t, 0, sizeof(*t) * nw);
             ^
  114.       r->top = a->top + nw + 1;
  115.       bn_correct_top(r);
