crypto/jpake/jpake.c:226: error: INTEGER_OVERFLOW_L2
  ([0, `zkpg->top`] - 1):unsigned64 by call to `BN_mod_exp`.
Showing all 21 steps of the trace


crypto/jpake/jpake.c:214:1: Parameter `zkpg->top`
212.       }
213.   
214. > static int verify_zkp(const JPAKE_STEP_PART *p, const BIGNUM *zkpg,
215.   		      JPAKE_CTX *ctx)
216.       {

crypto/jpake/jpake.c:223:5: Call
221.       int ret = 0;
222.   
223.       zkp_hash(h, zkpg, p, ctx->p.peer_name);
           ^
224.   
225.      /* t1 = g^b */

crypto/jpake/jpake.c:162:1: Parameter `zkpg->top`
  160.   
  161.   /* h=hash(g, g^r, g^x, name) */
  162. > static void zkp_hash(BIGNUM *h, const BIGNUM *zkpg, const JPAKE_STEP_PART *p,
  163.   		     const char *proof_name)
  164.       {

crypto/jpake/jpake.c:173:5: Call
  171.       */
  172.       SHA1_Init(&sha);
  173.       hashbn(&sha, zkpg);
             ^
  174.       OPENSSL_assert(!BN_is_zero(p->zkpx.gr));
  175.       hashbn(&sha, p->zkpx.gr);

crypto/jpake/jpake.c:150:1: Parameter `bn->top`
    148.       }
    149.   
    150. > static void hashbn(SHA_CTX *sha, const BIGNUM *bn)
    151.       {
    152.       size_t l = BN_num_bytes(bn);

crypto/jpake/jpake.c:152:16: Call
    150.   static void hashbn(SHA_CTX *sha, const BIGNUM *bn)
    151.       {
    152.       size_t l = BN_num_bytes(bn);
                          ^
    153.       unsigned char *bin = OPENSSL_malloc(l);
    154.   

crypto/bn/bn_lib.c:248:1: Parameter `a->top`
      246.   	}
      247.   
      248. > int BN_num_bits(const BIGNUM *a)
      249.   	{
      250.   	int i = a->top - 1;

crypto/jpake/jpake.c:156:5: Call
    154.   
    155.       hashlength(sha, l);
    156.       BN_bn2bin(bn, bin);
               ^
    157.       SHA1_Update(sha, bin, l);
    158.       OPENSSL_free(bin);

crypto/bn/bn_lib.c:641:1: Parameter `a->top`
      639.   
      640.   /* ignore negative */
      641. > int BN_bn2bin(const BIGNUM *a, unsigned char *to)
      642.   	{
      643.   	int n,i;

crypto/bn/bn_lib.c:647:6: Call
      645.   
      646.   	bn_check_top(a);
      647.   	n=i=BN_num_bytes(a);
                  ^
      648.   	while (i--)
      649.   		{

crypto/bn/bn_lib.c:248:1: Parameter `a->top`
        246.   	}
        247.   
        248. > int BN_num_bits(const BIGNUM *a)
        249.   	{
        250.   	int i = a->top - 1;

crypto/jpake/jpake.c:226:5: Call
224.   
225.      /* t1 = g^b */
226.       BN_mod_exp(t1, zkpg, p->zkpx.b, ctx->p.p, ctx->ctx);
           ^
227.      /* t2 = (g^x)^h = g^{hx} */
228.       BN_mod_exp(t2, p->gx, h, ctx->p.p, ctx->ctx);

crypto/bn/bn_exp.c:163:1: Parameter `a->top`
  161.   
  162.   
  163. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  164.   	       BN_CTX *ctx)
  165.   	{

crypto/bn/bn_exp.c:223:8: Call
  221.   		else
  222.   #  endif
  223.   			ret=BN_mod_exp_mont(r,a,p,m,ctx,NULL);
                ^
  224.   		}
  225.   	else

crypto/bn/bn_exp.c:371:1: Parameter `a->top`
    369.   
    370.   
    371. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
    372.   		    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    373.   	{

crypto/bn/bn_exp.c:384:10: Call
    382.   	if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0)
    383.   		{
    384.   		return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);
                    ^
    385.   		}
    386.   

crypto/bn/bn_exp.c:574:1: Parameter `a->top`
      572.    * http://www.daemonology.net/hyperthreading-considered-harmful/)
      573.    */
      574. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
      575.   		    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
      576.   	{

crypto/bn/bn_exp.c:648:16: Call
      646.   	if (computeTemp==NULL || am==NULL) goto err;
      647.   
      648.   	if (a->neg || BN_ucmp(a,m) >= 0)
                            ^
      649.   		{
      650.   		if (!BN_mod(am,a,m,ctx))

crypto/bn/bn_lib.c:656:1: <LHS trace>
654.   	}
655.   
656. > int BN_ucmp(const BIGNUM *a, const BIGNUM *b)
657.   	{
658.   	int i;

crypto/bn/bn_lib.c:656:1: Parameter `a->top`
        654.   	}
        655.   
        656. > int BN_ucmp(const BIGNUM *a, const BIGNUM *b)
        657.   	{
        658.   	int i;

crypto/bn/bn_lib.c:668:7: Binary operation: ([0, zkpg->top] - 1):unsigned64 by call to `BN_mod_exp` 
        666.   	ap=a->d;
        667.   	bp=b->d;
        668.   	for (i=a->top-1; i>=0; i--)
                     ^
        669.   		{
        670.   		t1= ap[i];
