crypto/dsa/dsa_ossl.c:276: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont`.
Showing all 31 steps of the trace


crypto/dsa/dsa_ossl.c:211:1: Parameter `ctx_in->stack.depth`
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:276:2: Call
274.   		K = &k;
275.   		}
276.   	DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,
        ^
277.   			dsa->method_mont_p);
278.   	if (!BN_mod(r,r,dsa->q,ctx)) goto err;

crypto/bn/bn_exp.c:371:1: Parameter `ctx->stack.depth`
  369.   
  370.   
  371. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  372.   		    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  373.   	{

crypto/bn/bn_exp.c:384:10: Call
  382.   	if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0)
  383.   		{
  384.   		return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);
                  ^
  385.   		}
  386.   

crypto/bn/bn_exp.c:571:1: Parameter `ctx->stack.depth`
    569.    * http://www.daemonology.net/hyperthreading-considered-harmful/)
    570.    */
    571. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
    572.   		    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    573.   	{

crypto/bn/bn_exp.c:605:2: Call
    603.   
    604.    	/* Initialize BIGNUM context and allocate intermediate result */
    605.   	BN_CTX_start(ctx);
            ^
    606.   	r = BN_CTX_get(ctx);
    607.   	if (r == NULL) goto err;

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_exp.c:617:8: Call
    615.   		{
    616.   		if ((mont=BN_MONT_CTX_new()) == NULL) goto err;
    617.   		if (!BN_MONT_CTX_set(mont,m,ctx)) goto err;
                  ^
    618.   		}
    619.   

crypto/bn/bn_mont.c:363:1: Parameter `ctx->stack.depth`
      361.   	}
      362.   
      363. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      364.   	{
      365.   	int ret = 0;

crypto/bn/bn_mont.c:368:2: Call
      366.   	BIGNUM *Ri,*R;
      367.   
      368.   	BN_CTX_start(ctx);
              ^
      369.   	if((Ri = BN_CTX_get(ctx)) == NULL) goto err;
      370.   	R= &(mont->RR);					/* grab RR as a temp */

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_mont.c:423:8: Call
      421.   		tmod.top = buf[0] != 0 ? 1 : 0;
      422.   							/* Ri = R^-1 mod N*/
      423.   		if ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)
                    ^
      424.   			goto err;
      425.   		if (!BN_lshift(Ri,Ri,BN_BITS2)) goto err; /* R*Ri */

crypto/bn/bn_gcd.c:206:1: Parameter `ctx->stack.depth`
        204.   
        205.   /* solves ax == 1 (mod n) */
        206. > BIGNUM *BN_mod_inverse(BIGNUM *in,
        207.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
        208.   	{

crypto/bn/bn_gcd.c:215:10: Call
        213.   	if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))
        214.   		{
        215.   		return BN_mod_inverse_no_branch(in, a, n, ctx);
                        ^
        216.   		}
        217.   

crypto/bn/bn_gcd.c:504:1: Parameter `ctx->stack.depth`
          502.    * It does not contain branches that may leak sensitive information.
          503.    */
          504. > BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
          505.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
          506.   	{

crypto/bn/bn_gcd.c:516:2: Call
          514.   	bn_check_top(n);
          515.   
          516.   	BN_CTX_start(ctx);
                  ^
          517.   	A = BN_CTX_get(ctx);
          518.   	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:545:8: Call
          543.   		pB = &local_B;
          544.   		BN_with_flags(pB, B, BN_FLG_CONSTTIME);	
          545.   		if (!BN_nnmod(B, pB, A, ctx)) goto err;
                        ^
          546.   		}
          547.   	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:179:1: Parameter `ctx->stack.depth`
              177.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
              178.    */
              179. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
              180.   	   BN_CTX *ctx)
              181.   	{

crypto/bn/bn_div.c:190:10: Call
              188.   	if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))
              189.   		{
              190.   		return BN_div_no_branch(dv, rm, num, divisor, ctx);
                              ^
              191.   		}
              192.   

crypto/bn/bn_div.c:409:1: Parameter `ctx->stack.depth`
                407.    * branches that may leak sensitive information.
                408.    */
                409. > int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, 
                410.   	const BIGNUM *divisor, BN_CTX *ctx)
                411.   	{

crypto/bn/bn_div.c:429:2: Call
                427.   		}
                428.   
                429.   	BN_CTX_start(ctx);
                        ^
                430.   	tmp=BN_CTX_get(ctx);
                431.   	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:621:2: Call
                619.   		bn_check_top(rm);
                620.   		}
                621.   	BN_CTX_end(ctx);
                        ^
                622.   	return(1);
                623.   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_exp_mont` 
                    351.   static unsigned int BN_STACK_pop(BN_STACK *st)
                    352.   	{
                    353.   	return st->indexes[--(st->depth)];
                                   ^
                    354.   	}
                    355.   
