crypto/dsa/dsa_ossl.c:281: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont`.
Showing all 29 steps of the trace


crypto/dsa/dsa_ossl.c:216:1: Parameter `ctx_in->stack.depth`
214.   	}
215.   
216. > static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
217.   	{
218.   	BN_CTX *ctx;

crypto/dsa/dsa_ossl.c:281:2: Call
279.   		K = &k;
280.   		}
281.   	DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,
        ^
282.   			dsa->method_mont_p);
283.   	if (!BN_mod(r,r,dsa->q,ctx)) goto err;

crypto/bn/bn_exp.c:384:1: Parameter `ctx->stack.depth`
  382.   
  383.   
  384. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  385.   		    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  386.   	{

crypto/bn/bn_exp.c:397:10: Call
  395.   	if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0)
  396.   		{
  397.   		return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);
                  ^
  398.   		}
  399.   

crypto/bn/bn_exp.c:578:1: Parameter `ctx->stack.depth`
    576.    * http://www.daemonology.net/hyperthreading-considered-harmful/)
    577.    */
    578. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
    579.   		    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    580.   	{

crypto/bn/bn_exp.c:609:2: Call
    607.   		}
    608.   
    609.   	BN_CTX_start(ctx);
            ^
    610.   
    611.   	/* Allocate a montgomery context if it was not supplied by the caller.

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:619:8: Call
    617.   		{
    618.   		if ((mont=BN_MONT_CTX_new()) == NULL) goto err;
    619.   		if (!BN_MONT_CTX_set(mont,m,ctx)) goto err;
                  ^
    620.   		}
    621.   

crypto/bn/bn_mont.c:355:1: Parameter `ctx->stack.depth`
      353.   	}
      354.   
      355. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      356.   	{
      357.   	int ret = 0;

crypto/bn/bn_mont.c:360:2: Call
      358.   	BIGNUM *Ri,*R;
      359.   
      360.   	BN_CTX_start(ctx);
              ^
      361.   	if((Ri = BN_CTX_get(ctx)) == NULL) goto err;
      362.   	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:421:8: Call
      419.   		tmod.top = buf[0] != 0 ? 1 : 0;
      420.   							/* Ri = R^-1 mod N*/
      421.   		if ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)
                    ^
      422.   			goto err;
      423.   		if (!BN_lshift(Ri,Ri,BN_BITS2)) goto err; /* R*Ri */

crypto/bn/bn_gcd.c:209:1: Parameter `ctx->stack.depth`
        207.           const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx);
        208.   
        209. > BIGNUM *BN_mod_inverse(BIGNUM *in,
        210.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
        211.   	{

crypto/bn/bn_gcd.c:218:10: Call
        216.   	if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))
        217.   		{
        218.   		return BN_mod_inverse_no_branch(in, a, n, ctx);
                        ^
        219.   		}
        220.   

crypto/bn/bn_gcd.c:507:1: Parameter `ctx->stack.depth`
          505.    * It does not contain branches that may leak sensitive information.
          506.    */
          507. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
          508.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
          509.   	{

crypto/bn/bn_gcd.c:519:2: Call
          517.   	bn_check_top(n);
          518.   
          519.   	BN_CTX_start(ctx);
                  ^
          520.   	A = BN_CTX_get(ctx);
          521.   	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:548:8: Call
          546.   		pB = &local_B;
          547.   		BN_with_flags(pB, B, BN_FLG_CONSTTIME);	
          548.   		if (!BN_nnmod(B, pB, A, ctx)) goto err;
                        ^
          549.   		}
          550.   	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:181:1: Parameter `ctx->stack.depth`
              179.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
              180.    */
              181. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
              182.   	   BN_CTX *ctx)
              183.   	{

crypto/bn/bn_div.c:226:2: Call
              224.   		}
              225.   
              226.   	BN_CTX_start(ctx);
                      ^
              227.   	tmp=BN_CTX_get(ctx);
              228.   	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:441:2: Call
              439.   		}
              440.   	if (no_branch)	bn_correct_top(res);
              441.   	BN_CTX_end(ctx);
                      ^
              442.   	return(1);
              443.   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.   
