crypto/ec/ec2_smpl.c:801: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned64 by call to `BN_ucmp`.
Showing all 6 steps of the trace


crypto/ec/ec2_smpl.c:784:8: Call
782.   		{
783.   		if (!BN_copy(x0, &a->X)) goto err;
784.   		if (!BN_copy(y0, &a->Y)) goto err;
              ^
785.   		}
786.   	else

crypto/bn/bn_lib.c:497:1: Parameter `a->top`
  495.   	}
  496.   
  497. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
  498.   	{
  499.   	int i;

crypto/ec/ec2_smpl.c:801:6: Call
799.   
800.   
801.   	if (BN_GF2m_cmp(x0, x1))
            ^
802.   		{
803.   		if (!BN_GF2m_add(t, x0, x1)) goto err;

crypto/bn/bn_lib.c:656:1: <LHS trace>
654.   	}
655.   
656. > int BN_ucmp(const BIGNUM *a, const BIGNUM *b)
657.   	{
658.   	int i;

crypto/bn/bn_lib.c:656:1: Parameter `a->top`
  654.   	}
  655.   
  656. > int BN_ucmp(const BIGNUM *a, const BIGNUM *b)
  657.   	{
  658.   	int i;

crypto/bn/bn_lib.c:668:7: Binary operation: ([0, +oo] - 1):unsigned64 by call to `BN_ucmp` 
  666.   	ap=a->d;
  667.   	bp=b->d;
  668.   	for (i=a->top-1; i>=0; i--)
               ^
  669.   		{
  670.   		t1= ap[i];
