crypto/ec/ecp_smpl.c:1628: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_inverse`.
Showing all 23 steps of the trace


crypto/ec/ecp_smpl.c:1537:1: Parameter `ctx->stack.depth`
1535.   
1536.   
1537. > int ec_GFp_simple_points_make_affine(const EC_GROUP *group, size_t num, EC_POINT *points[], BN_CTX *ctx)
1538.   	{
1539.   	BN_CTX *new_ctx = NULL;

crypto/ec/ecp_smpl.c:1556:2: Call
1554.   		}
1555.   
1556.   	BN_CTX_start(ctx);
         ^
1557.   	tmp0 = BN_CTX_get(ctx);
1558.   	tmp1 = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:255:1: Parameter `ctx->stack.depth`
  253.   	}
  254.   
  255. > void BN_CTX_start(BN_CTX *ctx)
  256.   	{
  257.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/ec/ecp_smpl.c:1628:8: Call
1626.   	if (!BN_is_zero(heap[1]))
1627.   		{
1628.   		if (!BN_mod_inverse(heap[1], heap[1], &group->field, ctx))
               ^
1629.   			{
1630.   			ECerr(EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE, ERR_R_BN_LIB);

crypto/bn/bn_gcd.c:208:1: Parameter `ctx->stack.depth`
  206.   static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
  207.           const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx);
  208. > BIGNUM *BN_mod_inverse(BIGNUM *in,
  209.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
  210.   	{

crypto/bn/bn_gcd.c:217:10: Call
  215.   	if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))
  216.   		{
  217.   		return BN_mod_inverse_no_branch(in, a, n, ctx);
                  ^
  218.   		}
  219.   

crypto/bn/bn_gcd.c:506:1: Parameter `ctx->stack.depth`
    504.    * It does not contain branches that may leak sensitive information.
    505.    */
    506. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
    507.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
    508.   	{

crypto/bn/bn_gcd.c:518:2: Call
    516.   	bn_check_top(n);
    517.   
    518.   	BN_CTX_start(ctx);
            ^
    519.   	A = BN_CTX_get(ctx);
    520.   	B = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:255:1: Parameter `ctx->stack.depth`
      253.   	}
      254.   
      255. > void BN_CTX_start(BN_CTX *ctx)
      256.   	{
      257.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_gcd.c:547:8: Call
    545.   		pB = &local_B;
    546.   		BN_with_flags(pB, B, BN_FLG_CONSTTIME);	
    547.   		if (!BN_nnmod(B, pB, A, ctx)) goto err;
                  ^
    548.   		}
    549.   	sign = -1;

crypto/bn/bn_mod.c:127:1: Parameter `ctx->stack.depth`
      125.   
      126.   
      127. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
      128.   	{
      129.   	/* like BN_mod, but returns non-negative remainder

crypto/bn/bn_mod.c:132:8: Call
      130.   	 * (i.e.,  0 <= r < |d|  always holds) */
      131.   
      132.   	if (!(BN_mod(r,m,d,ctx)))
                    ^
      133.   		return 0;
      134.   	if (!r->neg)

crypto/bn/bn_div.c:181:1: Parameter `ctx->stack.depth`
        179.   static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,
        180.           const BIGNUM *divisor, BN_CTX *ctx);
        181. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
        182.   	   BN_CTX *ctx)
        183.   	{

crypto/bn/bn_div.c:204:10: Call
        202.   	if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))
        203.   		{
        204.   		return BN_div_no_branch(dv, rm, num, divisor, ctx);
                        ^
        205.   		}
        206.   

crypto/bn/bn_div.c:426:1: Parameter `ctx->stack.depth`
          424.    * branches that may leak sensitive information.
          425.    */
          426. > static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, 
          427.   	const BIGNUM *divisor, BN_CTX *ctx)
          428.   	{

crypto/bn/bn_div.c:446:2: Call
          444.   		}
          445.   
          446.   	BN_CTX_start(ctx);
                  ^
          447.   	tmp=BN_CTX_get(ctx);
          448.   	snum=BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:255:1: Parameter `ctx->stack.depth`
            253.   	}
            254.   
            255. > void BN_CTX_start(BN_CTX *ctx)
            256.   	{
            257.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_div.c:642:2: Call
          640.   		}
          641.   	bn_correct_top(res);
          642.   	BN_CTX_end(ctx);
                  ^
          643.   	return(1);
          644.   err:

crypto/bn/bn_ctx.c:270:1: Parameter `ctx->stack.depth`
            268.   	}
            269.   
            270. > void BN_CTX_end(BN_CTX *ctx)
            271.   	{
            272.   	CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:277:21: Call
            275.   	else
            276.   		{
            277.   		unsigned int fp = BN_STACK_pop(&ctx->stack);
                                       ^
            278.   		/* Does this stack frame have anything to release? */
            279.   		if(fp < ctx->used)

crypto/bn/bn_ctx.c:351:1: <LHS trace>
349.   	}
350.   
351. > static unsigned int BN_STACK_pop(BN_STACK *st)
352.   	{
353.   	return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:351:1: Parameter `st->depth`
              349.   	}
              350.   
              351. > static unsigned int BN_STACK_pop(BN_STACK *st)
              352.   	{
              353.   	return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:353:9: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_mod_inverse` 
              351.   static unsigned int BN_STACK_pop(BN_STACK *st)
              352.   	{
              353.   	return st->indexes[--(st->depth)];
                             ^
              354.   	}
              355.   
