crypto/dsa/dsa_ossl.c:267: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont`.
Showing all 27 steps of the trace


crypto/dsa/dsa_ossl.c:202:1: Parameter `ctx_in->stack.depth`
200.   	}
201.   
202. > static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
203.   	{
204.   	BN_CTX *ctx;

crypto/dsa/dsa_ossl.c:267:2: Call
265.   		K = &k;
266.   		}
267.   	DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,
        ^
268.   			dsa->method_mont_p);
269.   	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_EXP_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:272:1: Parameter `ctx->stack.depth`
      270.   	}
      271.   
      272. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      273.   	{
      274.   	int ret = 0;

crypto/bn/bn_mont.c:277:2: Call
      275.   	BIGNUM *Ri,*R;
      276.   
      277.   	BN_CTX_start(ctx);
              ^
      278.   	if((Ri = BN_CTX_get(ctx)) == NULL) goto err;
      279.   	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:299:8: Call
      297.   		tmod.neg=0;
      298.   							/* Ri = R^-1 mod N*/
      299.   		if ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)
                    ^
      300.   			goto err;
      301.   		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:216:2: Call
        214.   	bn_check_top(n);
        215.   
        216.   	BN_CTX_start(ctx);
                ^
        217.   	A = BN_CTX_get(ctx);
        218.   	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:239:8: Call
        237.   	if (B->neg || (BN_ucmp(B, A) >= 0))
        238.   		{
        239.   		if (!BN_nnmod(B, B, A, ctx)) goto err;
                      ^
        240.   		}
        241.   	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:209:2: Call
            207.   		}
            208.   
            209.   	BN_CTX_start(ctx);
                    ^
            210.   	tmp=BN_CTX_get(ctx);
            211.   	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:394:2: Call
            392.   		bn_check_top(rm);
            393.   		}
            394.   	BN_CTX_end(ctx);
                    ^
            395.   	return(1);
            396.   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.   
