crypto/bn/bn_sqrt.c:148: error: INTEGER_OVERFLOW_L2
  ([0, 6+max(0, `ctx->stack.depth`)] - 1):unsigned32 by call to `BN_mod_exp`.
Showing all 35 steps of the trace


crypto/bn/bn_sqrt.c:62:1: Parameter `ctx->stack.depth`
60.   
61.   
62. > BIGNUM *BN_mod_sqrt(BIGNUM *in, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) 
63.   /* Returns 'ret' such that
64.    *      ret^2 == a (mod p),

crypto/bn/bn_sqrt.c:114:2: Call
112.   		}
113.   
114.   	BN_CTX_start(ctx);
        ^
115.   	A = BN_CTX_get(ctx);
116.   	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_sqrt.c:128:7: Call
126.   
127.   	/* A = a mod p */
128.   	if (!BN_nnmod(A, a, p, ctx)) goto end;
             ^
129.   
130.   	/* now write  |p| - 1  as  2^e*q  where  q  is odd */

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_sqrt.c:148:8: Call
146.   		q->neg = 0;
147.   		if (!BN_add_word(q, 1)) goto end;
148.   		if (!BN_mod_exp(ret, A, q, p, ctx)) goto end;
              ^
149.   		err = 0;
150.   		goto vrfy;

crypto/bn/bn_exp.c:176:1: Parameter `ctx->stack.depth`
  174.   
  175.   
  176. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  177.   	       BN_CTX *ctx)
  178.   	{

crypto/bn/bn_exp.c:232:8: Call
  230.   			{
  231.   			BN_ULONG A = a->d[0];
  232.   			ret=BN_mod_exp_mont_word(r,A,p,m,ctx,NULL);
                ^
  233.   			}
  234.   		else

crypto/bn/bn_exp.c:832:1: Parameter `ctx->stack.depth`
    830.   	}
    831.   
    832. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
    833.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    834.   	{

crypto/bn/bn_exp.c:887:2: Call
    885.   		}
    886.   
    887.   	BN_CTX_start(ctx);
            ^
    888.   	d = BN_CTX_get(ctx);
    889.   	r = 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_exp.c:898:8: Call
    896.   		{
    897.   		if ((mont = BN_MONT_CTX_new()) == NULL) goto err;
    898.   		if (!BN_MONT_CTX_set(mont, m, ctx)) goto err;
                  ^
    899.   		}
    900.   

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, 6+max(0, ctx->stack.depth)] - 1):unsigned32 by call to `BN_mod_exp` 
                  351.   static unsigned int BN_STACK_pop(BN_STACK *st)
                  352.   	{
                  353.   	return st->indexes[--(st->depth)];
                                 ^
                  354.   	}
                  355.   
