crypto/bn/bn_blind.c:338: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `int_bn_mod_inverse`.
Showing all 21 steps of the trace


crypto/bn/bn_blind.c:299:1: Parameter `ctx->stack.depth`
297.   	}
298.   
299. > BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
300.   	const BIGNUM *e, BIGNUM *m, BN_CTX *ctx,
301.   	int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

crypto/bn/bn_blind.c:338:8: Call
336.   		int rv;
337.   		if (!BN_rand_range(ret->A, ret->mod)) goto err;
338.   		if (!int_bn_mod_inverse(ret->Ai, ret->A, ret->mod, ctx, &rv))
              ^
339.   			{
340.   			/* this should almost never happen for good RSA keys */

crypto/bn/bn_gcd.c:220:1: Parameter `ctx->stack.depth`
  218.   	}
  219.   
  220. > BIGNUM *int_bn_mod_inverse(BIGNUM *in,
  221.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx, int *pnoinv)
  222.   	{

crypto/bn/bn_gcd.c:232:10: Call
  230.   	if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))
  231.   		{
  232.   		return BN_mod_inverse_no_branch(in, a, n, ctx);
                  ^
  233.   		}
  234.   

crypto/bn/bn_gcd.c:522:1: Parameter `ctx->stack.depth`
    520.    * It does not contain branches that may leak sensitive information.
    521.    */
    522. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
    523.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
    524.   	{

crypto/bn/bn_gcd.c:534:2: Call
    532.   	bn_check_top(n);
    533.   
    534.   	BN_CTX_start(ctx);
            ^
    535.   	A = BN_CTX_get(ctx);
    536.   	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:563:8: Call
    561.   		pB = &local_B;
    562.   		BN_with_flags(pB, B, BN_FLG_CONSTTIME);	
    563.   		if (!BN_nnmod(B, pB, A, ctx)) goto err;
                  ^
    564.   		}
    565.   	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.   static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,
        180.           const BIGNUM *divisor, BN_CTX *ctx);
        181. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
        182.   	   BN_CTX *ctx)
        183.   	{

crypto/bn/bn_div.c:203:10: Call
        201.   	if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))
        202.   		{
        203.   		return BN_div_no_branch(dv, rm, num, divisor, ctx);
                        ^
        204.   		}
        205.   

crypto/bn/bn_div.c:426:1: Parameter `ctx->stack.depth`
          424.    * branches that may leak sensitive information.
          425.    */
          426. > static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, 
          427.   	const BIGNUM *divisor, BN_CTX *ctx)
          428.   	{

crypto/bn/bn_div.c:446:2: Call
          444.   		}
          445.   
          446.   	BN_CTX_start(ctx);
                  ^
          447.   	tmp=BN_CTX_get(ctx);
          448.   	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:642:2: Call
          640.   		}
          641.   	bn_correct_top(res);
          642.   	BN_CTX_end(ctx);
                  ^
          643.   	return(1);
          644.   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 `int_bn_mod_inverse` 
              353.   static unsigned int BN_STACK_pop(BN_STACK *st)
              354.   	{
              355.   	return st->indexes[--(st->depth)];
                             ^
              356.   	}
              357.   
