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 37 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: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_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: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_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:177:1: Parameter `ctx->stack.depth`
  175.   
  176.   
  177. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  178.   	       BN_CTX *ctx)
  179.   	{

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

crypto/bn/bn_exp.c:839:1: Parameter `ctx->stack.depth`
    837.   	}
    838.   
    839. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
    840.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    841.   	{

crypto/bn/bn_exp.c:894:2: Call
    892.   		}
    893.   
    894.   	BN_CTX_start(ctx);
            ^
    895.   	d = BN_CTX_get(ctx);
    896.   	r = 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_exp.c:905:8: Call
    903.   		{
    904.   		if ((mont = BN_MONT_CTX_new()) == NULL) goto err;
    905.   		if (!BN_MONT_CTX_set(mont, m, ctx)) goto err;
                  ^
    906.   		}
    907.   

crypto/bn/bn_mont.c:415:1: Parameter `ctx->stack.depth`
      413.   	}
      414.   
      415. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      416.   	{
      417.   	int ret = 0;

crypto/bn/bn_mont.c:420:2: Call
      418.   	BIGNUM *Ri,*R;
      419.   
      420.   	BN_CTX_start(ctx);
              ^
      421.   	if((Ri = BN_CTX_get(ctx)) == NULL) goto err;
      422.   	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:481:8: Call
      479.   		tmod.top = buf[0] != 0 ? 1 : 0;
      480.   							/* Ri = R^-1 mod N*/
      481.   		if ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)
                    ^
      482.   			goto err;
      483.   		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:524:1: Parameter `ctx->stack.depth`
            522.    * It does not contain branches that may leak sensitive information.
            523.    */
            524. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
            525.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
            526.   	{

crypto/bn/bn_gcd.c:536:2: Call
            534.   	bn_check_top(n);
            535.   
            536.   	BN_CTX_start(ctx);
                    ^
            537.   	A = BN_CTX_get(ctx);
            538.   	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:565:8: Call
            563.   		pB = &local_B;
            564.   		BN_with_flags(pB, B, BN_FLG_CONSTTIME);	
            565.   		if (!BN_nnmod(B, pB, A, ctx)) goto err;
                          ^
            566.   		}
            567.   	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:228:2: Call
                226.   		}
                227.   
                228.   	BN_CTX_start(ctx);
                        ^
                229.   	tmp=BN_CTX_get(ctx);
                230.   	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:443:2: Call
                441.   		}
                442.   	if (no_branch)	bn_correct_top(res);
                443.   	BN_CTX_end(ctx);
                        ^
                444.   	return(1);
                445.   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, 6+max(0, ctx->stack.depth)] - 1):unsigned32 by call to `BN_mod_exp` 
                    353.   static unsigned int BN_STACK_pop(BN_STACK *st)
                    354.   	{
                    355.   	return st->indexes[--(st->depth)];
                                   ^
                    356.   	}
                    357.   
