crypto/dsa/dsa_ossl.c:254: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_mod_exp_mont`.
Showing all 19 steps of the trace


crypto/dsa/dsa_ossl.c:175:1: Parameter `dsa->p->top`
173.   }
174.   
175. > static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in,
176.                             BIGNUM **kinvp, BIGNUM **rp,
177.                             const unsigned char *dgst, int dlen)

crypto/dsa/dsa_ossl.c:254:18: Call
252.                   goto err;
253.       } else {
254.               if (!BN_mod_exp_mont(r, dsa->g, k, dsa->p, ctx, dsa->method_mont_p))
                        ^
255.                   goto err;
256.       }

crypto/bn/bn_exp.c:296:1: Parameter `m->top`
  294.   }
  295.   
  296. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  297.                       const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  298.   {

crypto/bn/bn_exp.c:310:16: Call
  308.               || BN_get_flags(a, BN_FLG_CONSTTIME) != 0
  309.               || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {
  310.           return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);
                        ^
  311.       }
  312.   

crypto/bn/bn_exp.c:597:1: Parameter `m->top`
    595.    * http://www.daemonology.net/hyperthreading-considered-harmful/)
    596.    */
    597. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
    598.                                 const BIGNUM *m, BN_CTX *ctx,
    599.                                 BN_MONT_CTX *in_mont)

crypto/bn/bn_exp.c:618:10: Call
    616.       bn_check_top(m);
    617.   
    618.       if (!BN_is_odd(m)) {
                    ^
    619.           BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);
    620.           return 0;

crypto/bn/bn_lib.c:868:1: Parameter `a->top`
      866.   }
      867.   
      868. > int BN_is_odd(const BIGNUM *a)
      869.   {
      870.       return (a->top > 0) && (a->d[0] & 1);

crypto/bn/bn_exp.c:652:14: Call
    650.           if ((mont = BN_MONT_CTX_new()) == NULL)
    651.               goto err;
    652.           if (!BN_MONT_CTX_set(mont, m, ctx))
                        ^
    653.               goto err;
    654.       }

crypto/bn/bn_mont.c:251:1: Parameter `mod->top`
      249.   }
      250.   
      251. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      252.   {
      253.       int i, ret = 0;

crypto/bn/bn_mont.c:256:9: Call
      254.       BIGNUM *Ri, *R;
      255.   
      256.       if (BN_is_zero(mod))
                     ^
      257.           return 0;
      258.   

crypto/bn/bn_lib.c:853:1: Parameter `a->top`
        851.   }
        852.   
        853. > int BN_is_zero(const BIGNUM *a)
        854.   {
        855.       return a->top == 0;

crypto/bn/bn_mont.c:263:10: Call
      261.           goto err;
      262.       R = &(mont->RR);            /* grab RR as a temp */
      263.       if (!BN_copy(&(mont->N), mod))
                      ^
      264.           goto err;               /* Set N */
      265.       if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)

crypto/bn/bn_lib.c:281:1: <Offset trace>
279.   }
280.   
281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
282.   {
283.       bn_check_top(b);

crypto/bn/bn_lib.c:281:1: Parameter `b->top`
        279.   }
        280.   
        281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
        282.   {
        283.       bn_check_top(b);

crypto/bn/bn_lib.c:281:1: <Length trace>
279.   }
280.   
281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
282.   {
283.       bn_check_top(b);

crypto/bn/bn_lib.c:281:1: Parameter `*a->d`
        279.   }
        280.   
        281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
        282.   {
        283.       bn_check_top(b);

crypto/bn/bn_lib.c:287:9: Call
        285.       if (a == b)
        286.           return a;
        287.       if (bn_wexpand(a, b->top) == NULL)
                       ^
        288.           return NULL;
        289.   

crypto/bn/bn_lib.c:949:1: Parameter `*a->d`
          947.   }
          948.   
          949. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
          950.   {
          951.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:291:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_mod_exp_mont` 
        289.   
        290.       if (b->top > 0)
        291.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                       ^
        292.   
        293.       a->neg = b->neg;
