crypto/bn/bn_mont.c:515: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_div`.
Showing all 20 steps of the trace


crypto/bn/bn_mont.c:479:8: Call
477.   		tmod.top = buf[0] != 0 ? 1 : 0;
478.   							/* Ri = R^-1 mod N*/
479.   		if ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)
              ^
480.   			goto err;
481.   		if (!BN_lshift(Ri,Ri,BN_BITS2)) goto err; /* R*Ri */

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

crypto/bn/bn_gcd.c:223:2: Call
  221.   	bn_check_top(n);
  222.   
  223.   	BN_CTX_start(ctx);
          ^
  224.   	A = BN_CTX_get(ctx);
  225.   	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:497:2: Call
  495.   err:
  496.   	if ((ret == NULL) && (in == NULL)) BN_free(R);
  497.   	BN_CTX_end(ctx);
          ^
  498.   	bn_check_top(ret);
  499.   	return(ret);

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_mont.c:490:8: Call
488.   			if (!BN_set_word(Ri,BN_MASK2)) goto err;  /* Ri-- (mod word size) */
489.   			}
490.   		if (!BN_div(Ri,NULL,Ri,&tmod,ctx)) goto err;
              ^
491.   		/* Ni = (R*Ri-1)/N,
492.   		 * keep only least significant word: */

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_mont.c:515:7: Call
513.   	BN_zero(&(mont->RR));
514.   	if (!BN_set_bit(&(mont->RR),mont->ri*2)) goto err;
515.   	if (!BN_mod(&(mont->RR),&(mont->RR),&(mont->N),ctx)) goto err;
             ^
516.   
517.   	ret = 1;

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:204:10: Call
  202.   	if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))
  203.   		{
  204.   		return BN_div_no_branch(dv, rm, num, divisor, ctx);
                  ^
  205.   		}
  206.   

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: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:642:2: Call
    640.   		}
    641.   	bn_correct_top(res);
    642.   	BN_CTX_end(ctx);
            ^
    643.   	return(1);
    644.   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_div` 
        351.   static unsigned int BN_STACK_pop(BN_STACK *st)
        352.   	{
        353.   	return st->indexes[--(st->depth)];
                       ^
        354.   	}
        355.   
