crypto/dsa/dsa_ossl.c:239: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont`.
Showing all 23 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:239:2: Call
237.   
238.   	/* Compute r = (g^k mod p) mod q */
239.   	DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, &k, dsa->p, ctx,
        ^
240.   			(BN_MONT_CTX *)dsa->method_mont_p);
241.   	if (!BN_mod(r,r,dsa->q,ctx)) goto err;

crypto/bn/bn_exp.c:358:1: Parameter `ctx->stack.depth`
  356.   
  357.   
  358. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  359.   		    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  360.   	{

crypto/bn/bn_exp.c:385:2: Call
  383.   		}
  384.   
  385.   	BN_CTX_start(ctx);
          ^
  386.   	d = BN_CTX_get(ctx);
  387.   	r = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:254:1: Parameter `ctx->stack.depth`
    252.   	}
    253.   
    254. > void BN_CTX_start(BN_CTX *ctx)
    255.   	{
    256.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_exp.c:398:8: Call
  396.   		{
  397.   		if ((mont=BN_MONT_CTX_new()) == NULL) goto err;
  398.   		if (!BN_MONT_CTX_set(mont,m,ctx)) goto err;
                ^
  399.   		}
  400.   

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.   	BIGNUM Ri,*R;

crypto/bn/bn_mont.c:297:8: Call
    295.   		tmod.neg=0;
    296.   							/* Ri = R^-1 mod N*/
    297.   		if ((BN_mod_inverse(&Ri,R,&tmod,ctx)) == NULL)
                  ^
    298.   			goto err;
    299.   		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:254:1: Parameter `ctx->stack.depth`
        252.   	}
        253.   
        254. > void BN_CTX_start(BN_CTX *ctx)
        255.   	{
        256.   	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:254:1: Parameter `ctx->stack.depth`
            252.   	}
            253.   
            254. > void BN_CTX_start(BN_CTX *ctx)
            255.   	{
            256.   	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.   
