crypto/dsa/dsa_ossl.c:222: 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:143:1: Parameter `dsa->p->top`
141.   }
142.   
143. > static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in,
144.                             BIGNUM **kinvp, BIGNUM **rp,
145.                             const unsigned char *dgst, int dlen)

crypto/dsa/dsa_ossl.c:222:18: Call
220.                   goto err;
221.       } else {
222.               if (!BN_mod_exp_mont(r, dsa->g, k, dsa->p, ctx, dsa->method_mont_p))
                        ^
223.                   goto err;
224.       }

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

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

crypto/bn/bn_lib.c:856:1: Parameter `a->top`
      854.   }
      855.   
      856. > int BN_is_odd(const BIGNUM *a)
      857.   {
      858.       return (a->top > 0) && (a->d[0] & 1);

crypto/bn/bn_exp.c:649:14: Call
    647.           if ((mont = BN_MONT_CTX_new()) == NULL)
    648.               goto err;
    649.           if (!BN_MONT_CTX_set(mont, m, ctx))
                        ^
    650.               goto err;
    651.       }

crypto/bn/bn_mont.c:247:1: Parameter `mod->top`
      245.   }
      246.   
      247. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      248.   {
      249.       int ret = 0;

crypto/bn/bn_mont.c:252:9: Call
      250.       BIGNUM *Ri, *R;
      251.   
      252.       if (BN_is_zero(mod))
                     ^
      253.           return 0;
      254.   

crypto/bn/bn_lib.c:841:1: Parameter `a->top`
        839.   }
        840.   
        841. > int BN_is_zero(const BIGNUM *a)
        842.   {
        843.       return a->top == 0;

crypto/bn/bn_mont.c:259:10: Call
      257.           goto err;
      258.       R = &(mont->RR);            /* grab RR as a temp */
      259.       if (!BN_copy(&(mont->N), mod))
                      ^
      260.           goto err;               /* Set N */
      261.       if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)

crypto/bn/bn_lib.c:312:1: <Offset trace>
310.   }
311.   
312. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
313.   {
314.       bn_check_top(b);

crypto/bn/bn_lib.c:312:1: Parameter `b->top`
        310.   }
        311.   
        312. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
        313.   {
        314.       bn_check_top(b);

crypto/bn/bn_lib.c:312:1: <Length trace>
310.   }
311.   
312. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
313.   {
314.       bn_check_top(b);

crypto/bn/bn_lib.c:312:1: Parameter `*a->d`
        310.   }
        311.   
        312. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
        313.   {
        314.       bn_check_top(b);

crypto/bn/bn_lib.c:318:9: Call
        316.       if (a == b)
        317.           return a;
        318.       if (bn_wexpand(a, b->top) == NULL)
                       ^
        319.           return NULL;
        320.   

crypto/bn/bn_lib.c:937:1: Parameter `*a->d`
          935.   }
          936.   
          937. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
          938.   {
          939.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:322:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_mod_exp_mont` 
        320.   
        321.       if (b->top > 0)
        322.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                       ^
        323.   
        324.       a->top = b->top;
