crypto/bn/bn_recp.c:189: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned64 by call to `BN_usub`.
Showing all 6 steps of the trace


crypto/bn/bn_recp.c:130:1: Parameter `*ctx->bn[*].d`
128.   	}
129.   
130. > int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
131.   	BN_RECP_CTX *recp, BN_CTX *ctx)
132.   	{

crypto/bn/bn_recp.c:189:8: Call
187.   			goto err;
188.   			}
189.   		if (!BN_usub(r,r,&(recp->N))) goto err;
              ^
190.   		if (!BN_add_word(d,1)) goto err;
191.   		}

crypto/bn/bn_add.c:167:1: <LHS trace>
165.   
166.   /* unsigned subtraction of b from a, a must be larger than b. */
167. > int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
168.   	{
169.   	int max,min;

crypto/bn/bn_add.c:167:1: Parameter `*a->d`
  165.   
  166.   /* unsigned subtraction of b from a, a must be larger than b. */
  167. > int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
  168.   	{
  169.   	int max,min;

crypto/bn/bn_add.c:226:4: Assignment
  224.   			{
  225.   			i++;
  226.   			t1= *(ap++);
            ^
  227.   			t2=(t1-1)&BN_MASK2;
  228.   			*(rp++)=t2;

crypto/bn/bn_add.c:227:4: Binary operation: ([0, +oo] - 1):unsigned64 by call to `BN_usub` 
  225.   			i++;
  226.   			t1= *(ap++);
  227.   			t2=(t1-1)&BN_MASK2;
            ^
  228.   			*(rp++)=t2;
  229.   			if (t1 > t2) break;
