crypto/bn/bn_mpi.c:125: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned64 by call to `BN_num_bits`.
Showing all 6 steps of the trace


crypto/bn/bn_mpi.c:120:6: Call
118.   	if ((*d) & 0x80)
119.   		neg=1;
120.   	if (BN_bin2bn(d,(int)len,a) == NULL)
            ^
121.   		return(NULL);
122.   	a->neg=neg;

crypto/bn/bn_lib.c:597:1: Parameter `ret->top`
  595.   	}
  596.   
  597. > BIGNUM *BN_bin2bn(const unsigned char *s, size_t len, BIGNUM *ret)
  598.   	{
  599.   	unsigned int i,m;

crypto/bn/bn_mpi.c:125:18: Call
123.   	if (neg)
124.   		{
125.   		BN_clear_bit(a,BN_num_bits(a)-1);
                        ^
126.   		}
127.   	bn_check_top(a);

crypto/bn/bn_lib.c:248:1: <LHS trace>
246.   	}
247.   
248. > int BN_num_bits(const BIGNUM *a)
249.   	{
250.   	int i = a->top - 1;

crypto/bn/bn_lib.c:248:1: Parameter `a->top`
  246.   	}
  247.   
  248. > int BN_num_bits(const BIGNUM *a)
  249.   	{
  250.   	int i = a->top - 1;

crypto/bn/bn_lib.c:250:2: Binary operation: ([0, +oo] - 1):unsigned64 by call to `BN_num_bits` 
  248.   int BN_num_bits(const BIGNUM *a)
  249.   	{
  250.   	int i = a->top - 1;
          ^
  251.   	bn_check_top(a);
  252.   
