crypto/dh/dh_check.c:165: error: BUFFER_OVERRUN_L3
  Offset: 0 Size: [0, 8388607] by call to `BN_mod_exp`.
Showing all 11 steps of the trace


crypto/dh/dh_check.c:153:11: Call
151.           goto err;
152.       BN_CTX_start(ctx);
153.       tmp = BN_CTX_get(ctx);
                 ^
154.       if (tmp == NULL || !BN_set_word(tmp, 1))
155.           goto err;

crypto/bn/bn_ctx.c:283:5: Call
  281.       }
  282.       /* OK, make sure the returned bignum is "zero" */
  283.       BN_zero(ret);
             ^
  284.       ctx->used++;
  285.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:520:1: Parameter `*a->d`
    518.   }
    519.   
    520. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    521.   {
    522.       bn_check_top(a);

crypto/dh/dh_check.c:165:14: Call
163.       if (dh->q != NULL) {
164.           /* Check pub_key^q == 1 mod p */
165.           if (!BN_mod_exp(tmp, pub_key, dh->q, dh->p, ctx))
                    ^
166.               goto err;
167.           if (!BN_is_one(tmp))

crypto/bn/bn_exp.c:190:1: Parameter `*r->d`
  188.   }
  189.   
  190. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  191.                  BN_CTX *ctx)
  192.   {

crypto/bn/bn_exp.c:247:19: Call
  245.               && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)) {
  246.               BN_ULONG A = a->d[0];
  247.               ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);
                           ^
  248.           } else
  249.   # endif

crypto/bn/bn_exp.c:1151:1: Parameter `*rr->d`
    1149.   }
    1150.   
    1151. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
    1152.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    1153.   {

crypto/bn/bn_exp.c:1198:13: Call
    1196.           if (BN_is_one(m)) {
    1197.               ret = 1;
    1198.               BN_zero(rr);
                        ^
    1199.           } else {
    1200.               ret = BN_one(rr);

crypto/bn/bn_lib.c:520:1: <Length trace>
518.   }
519.   
520. > int BN_set_word(BIGNUM *a, BN_ULONG w)
521.   {
522.       bn_check_top(a);

crypto/bn/bn_lib.c:520:1: Parameter `*a->d`
      518.   }
      519.   
      520. > int BN_set_word(BIGNUM *a, BN_ULONG w)
      521.   {
      522.       bn_check_top(a);

crypto/bn/bn_lib.c:526:5: Array access: Offset: 0 Size: [0, 8388607] by call to `BN_mod_exp` 
      524.           return (0);
      525.       a->neg = 0;
      526.       a->d[0] = w;
                 ^
      527.       a->top = (w ? 1 : 0);
      528.       bn_check_top(a);
