crypto/dsa/dsa_ossl.c:246: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_MONT_CTX_set_locked`.
Showing all 43 steps of the trace


crypto/dsa/dsa_ossl.c:211:1: Parameter `ctx_in->pool.used`
209.   	}
210.   
211. > static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
212.   	{
213.   	BN_CTX *ctx;

crypto/dsa/dsa_ossl.c:246:8: Call
244.   	if (dsa->flags & DSA_FLAG_CACHE_MONT_P)
245.   		{
246.   		if (!BN_MONT_CTX_set_locked(&dsa->method_mont_p,
              ^
247.   						CRYPTO_LOCK_DSA,
248.   						dsa->p, ctx))

crypto/bn/bn_mont.c:533:1: Parameter `ctx->pool.used`
  531.   	}
  532.   
  533. > BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,
  534.   					const BIGNUM *mod, BN_CTX *ctx)
  535.   	{

crypto/bn/bn_mont.c:549:16: Call
  547.   			{
  548.   			ret = BN_MONT_CTX_new();
  549.   			if (ret && !BN_MONT_CTX_set(ret, mod, ctx))
                        ^
  550.   				BN_MONT_CTX_free(ret);
  551.   			else

crypto/bn/bn_mont.c:416:1: Parameter `ctx->pool.used`
    414.   	}
    415.   
    416. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
    417.   	{
    418.   	int ret = 0;

crypto/bn/bn_mont.c:422:11: Call
    420.   
    421.   	BN_CTX_start(ctx);
    422.   	if((Ri = BN_CTX_get(ctx)) == NULL) goto err;
                     ^
    423.   	R= &(mont->RR);					/* grab RR as a temp */
    424.   	if (!BN_copy(&(mont->N),mod)) goto err;		/* Set N */

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_mont.c:476:8: Call
    474.   		tmod.top = buf[0] != 0 ? 1 : 0;
    475.   							/* Ri = R^-1 mod N*/
    476.   		if ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)
                  ^
    477.   			goto err;
    478.   		if (!BN_lshift(Ri,Ri,BN_BITS2)) goto err; /* R*Ri */

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_MONT_CTX_set_locked` 
                  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--)
