crypto/bn/bntest.c:1050: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont_consttime`.
Showing all 29 steps of the trace


crypto/bn/bntest.c:1033:1: Parameter `ctx->stack.depth`
1031.   	}
1032.   
1033. > int test_mod_exp_mont_consttime(BIO *bp, BN_CTX *ctx)
1034.   	{
1035.   	BIGNUM *a,*b,*c,*d,*e;

crypto/bn/bntest.c:1050:8: Call
1048.   		BN_bntest_rand(b,2+i,0,0);
1049.   
1050.   		if (!BN_mod_exp_mont_consttime(d,a,b,c,ctx,NULL))
               ^
1051.   			return(00);
1052.   

crypto/bn/bn_exp.c:645:1: Parameter `ctx->stack.depth`
  643.    * http://www.daemonology.net/hyperthreading-considered-harmful/)
  644.    */
  645. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  646.   		    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  647.   	{

crypto/bn/bn_exp.c:679:2: Call
  677.   		}
  678.   
  679.   	BN_CTX_start(ctx);
          ^
  680.   
  681.   	/* Allocate a montgomery context if it was not supplied by the caller.

crypto/bn/bn_ctx.c:257:1: Parameter `ctx->stack.depth`
    255.   	}
    256.   
    257. > void BN_CTX_start(BN_CTX *ctx)
    258.   	{
    259.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_exp.c:689:8: Call
  687.   		{
  688.   		if ((mont=BN_MONT_CTX_new()) == NULL) goto err;
  689.   		if (!BN_MONT_CTX_set(mont,m,ctx)) goto err;
                ^
  690.   		}
  691.   

crypto/bn/bn_mont.c:338:1: Parameter `ctx->stack.depth`
    336.   	}
    337.   
    338. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
    339.   	{
    340.   	int ret = 0;

crypto/bn/bn_mont.c:343:2: Call
    341.   	BIGNUM *Ri,*R;
    342.   
    343.   	BN_CTX_start(ctx);
            ^
    344.   	if((Ri = BN_CTX_get(ctx)) == NULL) goto err;
    345.   	R= &(mont->RR);					/* grab RR as a temp */

crypto/bn/bn_ctx.c:257:1: Parameter `ctx->stack.depth`
      255.   	}
      256.   
      257. > void BN_CTX_start(BN_CTX *ctx)
      258.   	{
      259.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_mont.c:404:8: Call
    402.   		tmod.top = buf[0] != 0 ? 1 : 0;
    403.   							/* Ri = R^-1 mod N*/
    404.   		if ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)
                  ^
    405.   			goto err;
    406.   		if (!BN_lshift(Ri,Ri,BN_BITS2)) goto err; /* R*Ri */

crypto/bn/bn_gcd.c:211:1: Parameter `ctx->stack.depth`
      209.           const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx);
      210.   
      211. > BIGNUM *BN_mod_inverse(BIGNUM *in,
      212.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
      213.   	{

crypto/bn/bn_gcd.c:216:7: Call
      214.   	BIGNUM *rv;
      215.   	int noinv;
      216.   	rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);
                   ^
      217.   	if (noinv)
      218.   		BNerr(BN_F_BN_MOD_INVERSE,BN_R_NO_INVERSE);

crypto/bn/bn_gcd.c:222:1: Parameter `ctx->stack.depth`
        220.   	}
        221.   
        222. > BIGNUM *int_bn_mod_inverse(BIGNUM *in,
        223.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx, int *pnoinv)
        224.   	{

crypto/bn/bn_gcd.c:234:10: Call
        232.   	if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))
        233.   		{
        234.   		return BN_mod_inverse_no_branch(in, a, n, ctx);
                        ^
        235.   		}
        236.   

crypto/bn/bn_gcd.c:528:1: Parameter `ctx->stack.depth`
          526.    * It does not contain branches that may leak sensitive information.
          527.    */
          528. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
          529.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
          530.   	{

crypto/bn/bn_gcd.c:540:2: Call
          538.   	bn_check_top(n);
          539.   
          540.   	BN_CTX_start(ctx);
                  ^
          541.   	A = BN_CTX_get(ctx);
          542.   	B = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:257:1: Parameter `ctx->stack.depth`
            255.   	}
            256.   
            257. > void BN_CTX_start(BN_CTX *ctx)
            258.   	{
            259.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_gcd.c:569:8: Call
          567.   		pB = &local_B;
          568.   		BN_with_flags(pB, B, BN_FLG_CONSTTIME);	
          569.   		if (!BN_nnmod(B, pB, A, ctx)) goto err;
                        ^
          570.   		}
          571.   	sign = -1;

crypto/bn/bn_mod.c:129:1: Parameter `ctx->stack.depth`
            127.   
            128.   
            129. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
            130.   	{
            131.   	/* like BN_mod, but returns non-negative remainder

crypto/bn/bn_mod.c:134:8: Call
            132.   	 * (i.e.,  0 <= r < |d|  always holds) */
            133.   
            134.   	if (!(BN_mod(r,m,d,ctx)))
                          ^
            135.   		return 0;
            136.   	if (!r->neg)

crypto/bn/bn_div.c:183:1: Parameter `ctx->stack.depth`
              181.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
              182.    */
              183. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
              184.   	   BN_CTX *ctx)
              185.   	{

crypto/bn/bn_div.c:230:2: Call
              228.   		}
              229.   
              230.   	BN_CTX_start(ctx);
                      ^
              231.   	tmp=BN_CTX_get(ctx);
              232.   	snum=BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:257:1: Parameter `ctx->stack.depth`
                255.   	}
                256.   
                257. > void BN_CTX_start(BN_CTX *ctx)
                258.   	{
                259.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_div.c:445:2: Call
              443.   		}
              444.   	if (no_branch)	bn_correct_top(res);
              445.   	BN_CTX_end(ctx);
                      ^
              446.   	return(1);
              447.   err:

crypto/bn/bn_ctx.c:272:1: Parameter `ctx->stack.depth`
                270.   	}
                271.   
                272. > void BN_CTX_end(BN_CTX *ctx)
                273.   	{
                274.   	CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:279:21: Call
                277.   	else
                278.   		{
                279.   		unsigned int fp = BN_STACK_pop(&ctx->stack);
                                           ^
                280.   		/* Does this stack frame have anything to release? */
                281.   		if(fp < ctx->used)

crypto/bn/bn_ctx.c:353:1: <LHS trace>
351.   	}
352.   
353. > static unsigned int BN_STACK_pop(BN_STACK *st)
354.   	{
355.   	return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:353:1: Parameter `st->depth`
                  351.   	}
                  352.   
                  353. > static unsigned int BN_STACK_pop(BN_STACK *st)
                  354.   	{
                  355.   	return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:355:9: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont_consttime` 
                  353.   static unsigned int BN_STACK_pop(BN_STACK *st)
                  354.   	{
                  355.   	return st->indexes[--(st->depth)];
                                 ^
                  356.   	}
                  357.   
