crypto/dsa/dsa_ossl.c:385: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_inverse`.
Showing all 22 steps of the trace


crypto/dsa/dsa_ossl.c:385:7: Call
383.   	/* Calculate W = inv(S) mod Q
384.   	 * save W in u2 */
385.   	if ((BN_mod_inverse(&u2,sig->s,dsa->q,ctx)) == NULL) goto err;
             ^
386.   
387.   	/* save M in u1 */

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:214:7: Call
  212.   	BIGNUM *rv;
  213.   	int noinv;
  214.   	rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);
               ^
  215.   	if (noinv)
  216.   		BNerr(BN_F_BN_MOD_INVERSE,BN_R_NO_INVERSE);

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 `BN_mod_inverse` 
                353.   static unsigned int BN_STACK_pop(BN_STACK *st)
                354.   	{
                355.   	return st->indexes[--(st->depth)];
                               ^
                356.   	}
                357.   
