crypto/dh/dh_check.c:158: error: BUFFER_OVERRUN_L3
  Offset: [3, +oo] (⇐ [0, +oo] + 3) Size: [0, 8388607] by call to `BN_copy`.
Showing all 14 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:158:9: Call
156.       if (BN_cmp(pub_key, tmp) <= 0)
157.           *ret |= DH_CHECK_PUBKEY_TOO_SMALL;
158.       if (BN_copy(tmp, dh->p) == NULL || !BN_sub_word(tmp, 1))
               ^
159.           goto err;
160.       if (BN_cmp(pub_key, tmp) >= 0)

crypto/bn/bn_lib.c:419:1: Parameter `*a->d`
  417.   }
  418.   
  419. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
  420.   {
  421.       int i;

crypto/bn/bn_lib.c:429:9: Call
  427.       if (a == b)
  428.           return (a);
  429.       if (bn_wexpand(a, b->top) == NULL)
                 ^
  430.           return (NULL);
  431.   

crypto/bn/bn_lib.c:985:1: Parameter `*a->d`
    983.   }
    984.   
    985. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    986.   {
    987.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:987:37: Call
    985.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
    986.   {
    987.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                               ^
    988.   }
    989.   

crypto/bn/bn_lib.c:380:1: Parameter `*b->d`
      378.    */
      379.   
      380. > BIGNUM *bn_expand2(BIGNUM *b, int words)
      381.   {
      382.       bn_check_top(b);

crypto/bn/bn_lib.c:385:23: Call
      383.   
      384.       if (words > b->dmax) {
      385.           BN_ULONG *a = bn_expand_internal(b, words);
                                   ^
      386.           if (!a)
      387.               return NULL;

crypto/bn/bn_lib.c:299:1: <Length trace>
297.   /* This is used by bn_expand2() */
298.   /* The caller MUST check that words > b->dmax before calling this */
299. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
300.   {
301.       BN_ULONG *A, *a = NULL;

crypto/bn/bn_lib.c:299:1: Parameter `*b->d`
        297.   /* This is used by bn_expand2() */
        298.   /* The caller MUST check that words > b->dmax before calling this */
        299. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
        300.   {
        301.       BN_ULONG *A, *a = NULL;

crypto/bn/bn_lib.c:325:5: Assignment
        323.   
        324.   #if 1
        325.       B = b->d;
                   ^
        326.       /* Check if the previous number needs to be copied */
        327.       if (B != NULL) {

crypto/bn/bn_lib.c:342:18: Array access: Offset: [3, +oo] (⇐ [0, +oo] + 3) Size: [0, 8388607] by call to `BN_copy` 
        340.               a1 = B[1];
        341.               a2 = B[2];
        342.               a3 = B[3];
                                ^
        343.               A[0] = a0;
        344.               A[1] = a1;
