crypto/ec/ecp_smpl.c:1628: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_inverse`.
Showing all 41 steps of the trace


crypto/ec/ecp_smpl.c:1537:1: Parameter `ctx->pool.used`
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:1557:9: Call
1555.   
1556.   	BN_CTX_start(ctx);
1557.   	tmp0 = BN_CTX_get(ctx);
                ^
1558.   	tmp1 = BN_CTX_get(ctx);
1559.   	if (tmp0  == NULL || tmp1 == NULL) goto err;

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
  286.   	}
  287.   
  288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
  289.   	{
  290.   	BIGNUM *ret;

crypto/ec/ecp_smpl.c:1558:9: Call
1556.   	BN_CTX_start(ctx);
1557.   	tmp0 = BN_CTX_get(ctx);
1558.   	tmp1 = BN_CTX_get(ctx);
                ^
1559.   	if (tmp0  == NULL || tmp1 == NULL) goto err;
1560.   

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
  286.   	}
  287.   
  288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
  289.   	{
  290.   	BIGNUM *ret;

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->pool.used`
  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->pool.used`
    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:519:6: Call
    517.   
    518.   	BN_CTX_start(ctx);
    519.   	A = BN_CTX_get(ctx);
                ^
    520.   	B = BN_CTX_get(ctx);
    521.   	X = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
      286.   	}
      287.   
      288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      289.   	{
      290.   	BIGNUM *ret;

crypto/bn/bn_gcd.c:520:6: Call
    518.   	BN_CTX_start(ctx);
    519.   	A = BN_CTX_get(ctx);
    520.   	B = BN_CTX_get(ctx);
                ^
    521.   	X = BN_CTX_get(ctx);
    522.   	D = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
      286.   	}
      287.   
      288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      289.   	{
      290.   	BIGNUM *ret;

crypto/bn/bn_gcd.c:521:6: Call
    519.   	A = BN_CTX_get(ctx);
    520.   	B = BN_CTX_get(ctx);
    521.   	X = BN_CTX_get(ctx);
                ^
    522.   	D = BN_CTX_get(ctx);
    523.   	M = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
      286.   	}
      287.   
      288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      289.   	{
      290.   	BIGNUM *ret;

crypto/bn/bn_gcd.c:522:6: Call
    520.   	B = BN_CTX_get(ctx);
    521.   	X = BN_CTX_get(ctx);
    522.   	D = BN_CTX_get(ctx);
                ^
    523.   	M = BN_CTX_get(ctx);
    524.   	Y = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
      286.   	}
      287.   
      288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      289.   	{
      290.   	BIGNUM *ret;

crypto/bn/bn_gcd.c:523:6: Call
    521.   	X = BN_CTX_get(ctx);
    522.   	D = BN_CTX_get(ctx);
    523.   	M = BN_CTX_get(ctx);
                ^
    524.   	Y = BN_CTX_get(ctx);
    525.   	T = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
      286.   	}
      287.   
      288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      289.   	{
      290.   	BIGNUM *ret;

crypto/bn/bn_gcd.c:524:6: Call
    522.   	D = BN_CTX_get(ctx);
    523.   	M = BN_CTX_get(ctx);
    524.   	Y = BN_CTX_get(ctx);
                ^
    525.   	T = BN_CTX_get(ctx);
    526.   	if (T == NULL) goto err;

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
      286.   	}
      287.   
      288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      289.   	{
      290.   	BIGNUM *ret;

crypto/bn/bn_gcd.c:525:6: Call
    523.   	M = BN_CTX_get(ctx);
    524.   	Y = BN_CTX_get(ctx);
    525.   	T = BN_CTX_get(ctx);
                ^
    526.   	if (T == NULL) goto err;
    527.   

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
      286.   	}
      287.   
      288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      289.   	{
      290.   	BIGNUM *ret;

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->pool.used`
      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->pool.used`
        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:192:10: Call
        190.   	if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))
        191.   		{
        192.   		return BN_div_no_branch(dv, rm, num, divisor, ctx);
                        ^
        193.   		}
        194.   

crypto/bn/bn_div.c:411:1: Parameter `ctx->pool.used`
          409.    * branches that may leak sensitive information.
          410.    */
          411. > static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, 
          412.   	const BIGNUM *divisor, BN_CTX *ctx)
          413.   	{

crypto/bn/bn_div.c:432:6: Call
          430.   
          431.   	BN_CTX_start(ctx);
          432.   	tmp=BN_CTX_get(ctx);
                      ^
          433.   	snum=BN_CTX_get(ctx);
          434.   	sdiv=BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
            286.   	}
            287.   
            288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
            289.   	{
            290.   	BIGNUM *ret;

crypto/bn/bn_div.c:433:7: Call
          431.   	BN_CTX_start(ctx);
          432.   	tmp=BN_CTX_get(ctx);
          433.   	snum=BN_CTX_get(ctx);
                       ^
          434.   	sdiv=BN_CTX_get(ctx);
          435.   	if (dv == NULL)

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
            286.   	}
            287.   
            288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
            289.   	{
            290.   	BIGNUM *ret;

crypto/bn/bn_div.c:434:7: Call
          432.   	tmp=BN_CTX_get(ctx);
          433.   	snum=BN_CTX_get(ctx);
          434.   	sdiv=BN_CTX_get(ctx);
                       ^
          435.   	if (dv == NULL)
          436.   		res=BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
            286.   	}
            287.   
            288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
            289.   	{
            290.   	BIGNUM *ret;

crypto/bn/bn_div.c:624:2: Call
          622.   		}
          623.   	bn_correct_top(res);
          624.   	BN_CTX_end(ctx);
                  ^
          625.   	return(1);
          626.   err:

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

crypto/bn/bn_ctx.c:280:4: Call
            278.   		/* Does this stack frame have anything to release? */
            279.   		if(fp < ctx->used)
            280.   			BN_POOL_release(&ctx->pool, ctx->used - fp);
                      ^
            281.   		ctx->used = fp;
            282.   		/* Unjam "too_many" in case "get" had failed */

crypto/bn/bn_ctx.c:438:1: <LHS trace>
436.   	}
437.   
438. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
439.   	{
440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:438:1: Parameter `p->used`
              436.   	}
              437.   
              438. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
              439.   	{
              440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:440:2: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_mod_inverse` 
              438.   static void BN_POOL_release(BN_POOL *p, unsigned int num)
              439.   	{
              440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
                      ^
              441.   	p->used -= num;
              442.   	while(num--)
