crypto/ecdsa/ecs_ossl.c:389: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_inverse`.
Showing all 22 steps of the trace


crypto/ecdsa/ecs_ossl.c:362:2: Call
360.   		return -1;
361.   	}
362.   	BN_CTX_start(ctx);
        ^
363.   	order = BN_CTX_get(ctx);	
364.   	u1    = 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/ecdsa/ecs_ossl.c:389:7: Call
387.   	}
388.   	/* calculate tmp1 = inv(S) mod order */
389.   	if (!BN_mod_inverse(u2, sig->s, order, ctx))
             ^
390.   	{
391.   		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);

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:217:10: Call
  215.   	if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))
  216.   		{
  217.   		return BN_mod_inverse_no_branch(in, a, n, ctx);
                  ^
  218.   		}
  219.   

crypto/bn/bn_gcd.c:506:1: Parameter `ctx->stack.depth`
    504.    * It does not contain branches that may leak sensitive information.
    505.    */
    506. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
    507.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
    508.   	{

crypto/bn/bn_gcd.c:518:2: Call
    516.   	bn_check_top(n);
    517.   
    518.   	BN_CTX_start(ctx);
            ^
    519.   	A = BN_CTX_get(ctx);
    520.   	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:547:8: Call
    545.   		pB = &local_B;
    546.   		BN_with_flags(pB, B, BN_FLG_CONSTTIME);	
    547.   		if (!BN_nnmod(B, pB, A, ctx)) goto err;
                  ^
    548.   		}
    549.   	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:192:10: Call
        190.   	if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))
        191.   		{
        192.   		return BN_div_no_branch(dv, rm, num, divisor, ctx);
                        ^
        193.   		}
        194.   

crypto/bn/bn_div.c:411:1: Parameter `ctx->stack.depth`
          409.    * branches that may leak sensitive information.
          410.    */
          411. > static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, 
          412.   	const BIGNUM *divisor, BN_CTX *ctx)
          413.   	{

crypto/bn/bn_div.c:431:2: Call
          429.   		}
          430.   
          431.   	BN_CTX_start(ctx);
                  ^
          432.   	tmp=BN_CTX_get(ctx);
          433.   	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:624:2: Call
          622.   		}
          623.   	bn_correct_top(res);
          624.   	BN_CTX_end(ctx);
                  ^
          625.   	return(1);
          626.   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_mod_inverse` 
              351.   static unsigned int BN_STACK_pop(BN_STACK *st)
              352.   	{
              353.   	return st->indexes[--(st->depth)];
                             ^
              354.   	}
              355.   
