crypto/rsa/rsa_ossl.c:888: error: BUFFER_OVERRUN_L3
  Offset: [1, +oo] Size: [0, 8388607] by call to `BN_mod_exp_mont`.
Showing all 21 steps of the trace


crypto/rsa/rsa_ossl.c:688:17: Call
686.                                         ctx)
687.               || !bn_mul_fixed_top(r0, r1, rsa->q, ctx)
688.               || !bn_mod_add_fixed_top(r0, r0, m1, rsa->n))
                       ^
689.               goto err;
690.   

crypto/bn/bn_mod.c:66:10: Assignment
  64.       bp = b->d != NULL ? b->d : tp;
  65.   
  66.       for (i = 0, ai = 0, bi = 0, carry = 0; i < mtop;) {
                 ^
  67.           mask = (BN_ULONG)0 - ((i - a->top) >> (8 * sizeof(i) - 1));
  68.           temp = ((ap[ai] & mask) + carry) & BN_MASK2;

crypto/bn/bn_mod.c:85:5: Assignment
  83.           ((volatile BN_ULONG *)tp)[i] = 0;
  84.       }
  85.       r->top = mtop;
            ^
  86.       r->flags |= BN_FLG_FIXED_TOP;
  87.       r->neg = 0;

crypto/rsa/rsa_ossl.c:888:18: Call
886.       if (rsa->e && rsa->n) {
887.           if (rsa->meth->bn_mod_exp == BN_mod_exp_mont) {
888.               if (!BN_mod_exp_mont(vrfy, r0, rsa->e, rsa->n, ctx,
                        ^
889.                                    rsa->_method_mod_n))
890.                   goto err;

crypto/bn/bn_exp.c:296:1: Parameter `a->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:592:1: Parameter `a->top`
    590.    * http://www.daemonology.net/hyperthreading-considered-harmful/)
    591.    */
    592. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
    593.                                 const BIGNUM *m, BN_CTX *ctx,
    594.                                 BN_MONT_CTX *in_mont)

crypto/bn/bn_exp.c:751:14: Call
    749.       /* prepare a^1 in Montgomery domain */
    750.       if (a->neg || BN_ucmp(a, m) >= 0) {
    751.           if (!BN_nnmod(&am, a, m, ctx))
                        ^
    752.               goto err;
    753.           if (!bn_to_mont_fixed_top(&am, &am, mont, ctx))

crypto/bn/bn_mod.c:13:1: Parameter `m->top`
      11.   #include "bn_lcl.h"
      12.   
      13. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
      14.   {
      15.       /*

crypto/bn/bn_mod.c:20:11: Call
      18.        */
      19.   
      20.       if (!(BN_mod(r, m, d, ctx)))
                      ^
      21.           return 0;
      22.       if (!r->neg)

crypto/bn/bn_div.c:137:1: Parameter `num->top`
        135.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
        136.    */
        137. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
        138.              BN_CTX *ctx)
        139.   {

crypto/bn/bn_div.c:204:11: Call
        202.       sdiv->neg = 0;
        203.       norm_shift += BN_BITS2;
        204.       if (!(BN_lshift(snum, num, norm_shift)))
                         ^
        205.           goto err;
        206.       snum->neg = 0;

crypto/bn/bn_shift.c:83:1: <Offset trace>
81.   }
82.   
83. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
84.   {
85.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:83:1: Parameter `n`
          81.   }
          82.   
          83. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
          84.   {
          85.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:97:5: Assignment
          95.       }
          96.   
          97.       nw = n / BN_BITS2;
                     ^
          98.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
          99.           return 0;

crypto/bn/bn_shift.c:83:1: <Length trace>
81.   }
82.   
83. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
84.   {
85.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:83:1: Parameter `*r->d`
          81.   }
          82.   
          83. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
          84.   {
          85.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:98:9: Call
          96.   
          97.       nw = n / BN_BITS2;
          98.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
                         ^
          99.           return 0;
          100.       r->neg = a->neg;

crypto/bn/bn_lib.c:948:1: Parameter `*a->d`
            946.   }
            947.   
            948. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
            949.   {
            950.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_shift.c:104:5: Assignment
          102.       rb = BN_BITS2 - lb;
          103.       f = a->d;
          104.       t = r->d;
                     ^
          105.       t[a->top + nw] = 0;
          106.       if (lb == 0)

crypto/bn/bn_shift.c:112:13: Array access: Offset: [1, +oo] Size: [0, 8388607] by call to `BN_mod_exp_mont` 
          110.           for (i = a->top - 1; i >= 0; i--) {
          111.               l = f[i];
          112.               t[nw + i + 1] |= (l >> rb) & BN_MASK2;
                             ^
          113.               t[nw + i] = (l << lb) & BN_MASK2;
          114.           }
