crypto/dh/dh_check.c:91: error: BUFFER_OVERRUN_L3
  Offset: [1, +oo] Size: [0, 8388607] by call to `BN_mod_exp`.
Showing all 20 steps of the trace


crypto/dh/dh_check.c:77:10: Call
75.           goto err;
76.       BN_CTX_start(ctx);
77.       t1 = BN_CTX_get(ctx);
               ^
78.       if (t1 == NULL)
79.           goto err;

crypto/bn/bn_ctx.c:229:5: Call
  227.       }
  228.       /* OK, make sure the returned bignum is "zero" */
  229.       BN_zero(ret);
             ^
  230.       ctx->used++;
  231.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:393:1: Parameter `*a->d`
    391.   }
    392.   
    393. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    394.   {
    395.       bn_check_top(a);

crypto/bn/bn_lib.c:396:9: Call
    394.   {
    395.       bn_check_top(a);
    396.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                   ^
    397.           return (0);
    398.       a->neg = 0;

crypto/bn/bn_lcl.h:660:1: Parameter `*a->d`
      658.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
      659.   
      660. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
      661.   {
      662.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/dh/dh_check.c:91:18: Call
89.           else {
90.               /* Check g^q == 1 mod p */
91.               if (!BN_mod_exp(t1, dh->g, dh->q, dh->p, ctx))
                       ^
92.                   goto err;
93.               if (!BN_is_one(t1))

crypto/bn/bn_exp.c:91:1: Parameter `*r->d`
  89.   }
  90.   
  91. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  92.                  BN_CTX *ctx)
  93.   {

crypto/bn/bn_exp.c:141:19: Call
  139.               && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)) {
  140.               BN_ULONG A = a->d[0];
  141.               ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);
                           ^
  142.           } else
  143.   # endif

crypto/bn/bn_exp.c:1091:1: Parameter `*rr->d`
    1089.   }
    1090.   
    1091. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
    1092.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    1093.   {

crypto/bn/bn_exp.c:1226:14: Call
    1224.               goto err;
    1225.       } else {
    1226.           if (!BN_from_montgomery(rr, r, mont, ctx))
                         ^
    1227.               goto err;
    1228.       }

crypto/bn/bn_mont.c:166:1: Parameter `*ret->d`
      164.   #endif                          /* MONT_WORD */
      165.   
      166. > int BN_from_montgomery(BIGNUM *ret, const BIGNUM *a, BN_MONT_CTX *mont,
      167.                          BN_CTX *ctx)
      168.   {

crypto/bn/bn_mont.c:175:16: Call
      173.       BN_CTX_start(ctx);
      174.       if ((t = BN_CTX_get(ctx)) && BN_copy(t, a))
      175.           retn = BN_from_montgomery_word(ret, t, mont);
                            ^
      176.       BN_CTX_end(ctx);
      177.   #else                           /* !MONT_WORD */

crypto/bn/bn_mont.c:135:14: <Offset trace>
133.               (BN_ULONG *)(((PTR_SIZE_INT) rp & ~m) | ((PTR_SIZE_INT) ap & m));
134.   
135.           for (i = 0, nl -= 4; i < nl; i += 4) {
                    ^
136.               BN_ULONG t1, t2, t3, t4;
137.   

crypto/bn/bn_mont.c:135:14: Assignment
        133.               (BN_ULONG *)(((PTR_SIZE_INT) rp & ~m) | ((PTR_SIZE_INT) ap & m));
        134.   
        135.           for (i = 0, nl -= 4; i < nl; i += 4) {
                            ^
        136.               BN_ULONG t1, t2, t3, t4;
        137.   

crypto/bn/bn_mont.c:75:1: <Length trace>
73.   
74.   #ifdef MONT_WORD
75. > static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
76.   {
77.       BIGNUM *n;

crypto/bn/bn_mont.c:75:1: Parameter `*ret->d`
        73.   
        74.   #ifdef MONT_WORD
        75. > static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
        76.   {
        77.       BIGNUM *n;

crypto/bn/bn_mont.c:112:9: Call
        110.       }
        111.   
        112.       if (bn_wexpand(ret, nl) == NULL)
                       ^
        113.           return (0);
        114.       ret->top = nl;

crypto/bn/bn_lib.c:946:1: Parameter `*a->d`
          944.   }
          945.   
          946. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
          947.   {
          948.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_mont.c:117:5: Assignment
        115.       ret->neg = r->neg;
        116.   
        117.       rp = ret->d;
                   ^
        118.       ap = &(r->d[nl]);
        119.   

crypto/bn/bn_mont.c:146:13: Array access: Offset: [1, +oo] Size: [0, 8388607] by call to `BN_mod_exp` 
        144.               rp[i + 0] = t1;
        145.               ap[i + 2] = 0;
        146.               rp[i + 1] = t2;
                           ^
        147.               ap[i + 3] = 0;
        148.               rp[i + 2] = t3;
