crypto/dh/dh_key.c:190: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `DH_check_pub_key`.
Showing all 28 steps of the trace


crypto/dh/dh_key.c:156:1: Parameter `dh->p->top`
154.   }
155.   
156. > static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
157.   {
158.       BN_CTX *ctx = NULL;

crypto/dh/dh_key.c:164:9: Call
162.       int check_result;
163.   
164.       if (BN_num_bits(dh->p) > OPENSSL_DH_MAX_MODULUS_BITS) {
               ^
165.           DHerr(DH_F_COMPUTE_KEY, DH_R_MODULUS_TOO_LARGE);
166.           goto err;

crypto/bn/bn_lib.c:166:9: Call
  164.       bn_check_top(a);
  165.   
  166.       if (BN_is_zero(a))
                 ^
  167.           return 0;
  168.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));

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/dh/dh_key.c:190:10: Call
188.       }
189.   
190.       if (!DH_check_pub_key(dh, pub_key, &check_result) || check_result) {
                ^
191.           DHerr(DH_F_COMPUTE_KEY, DH_R_INVALID_PUBKEY);
192.           goto err;

crypto/dh/dh_check.c:197:1: Parameter `dh->p->top`
  195.   }
  196.   
  197. > int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret)
  198.   {
  199.       int ok = 0;

crypto/dh/dh_check.c:213:9: Call
  211.       if (BN_cmp(pub_key, tmp) <= 0)
  212.           *ret |= DH_CHECK_PUBKEY_TOO_SMALL;
  213.       if (BN_copy(tmp, dh->p) == NULL || !BN_sub_word(tmp, 1))
                 ^
  214.           goto err;
  215.       if (BN_cmp(pub_key, tmp) >= 0)

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/dh/dh_check.c:220:14: Call
  218.       if (dh->q != NULL) {
  219.           /* Check pub_key^q == 1 mod p */
  220.           if (!BN_mod_exp(tmp, pub_key, dh->q, dh->p, ctx))
                      ^
  221.               goto err;
  222.           if (!BN_is_one(tmp))

crypto/bn/bn_exp.c:89:1: Parameter `m->top`
    87.   }
    88.   
    89. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
    90.                  BN_CTX *ctx)
    91.   {

crypto/bn/bn_exp.c:134:9: Call
    132.   
    133.   #ifdef MONT_MUL_MOD
    134.       if (BN_is_odd(m)) {
                   ^
    135.   # ifdef MONT_EXP_WORD
    136.           if (a->top == 1 && !a->neg

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:141:19: Call
    139.               && (BN_get_flags(m, 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:1097:1: Parameter `m->top`
      1095.   }
      1096.   
      1097. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
      1098.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
      1099.   {

crypto/bn/bn_exp.c:1133:10: Call
      1131.       bn_check_top(m);
      1132.   
      1133.       if (!BN_is_odd(m)) {
                       ^
      1134.           BNerr(BN_F_BN_MOD_EXP_MONT_WORD, BN_R_CALLED_WITH_EVEN_MODULUS);
      1135.           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:1168:14: Call
      1166.           if ((mont = BN_MONT_CTX_new()) == NULL)
      1167.               goto err;
      1168.           if (!BN_MONT_CTX_set(mont, m, ctx))
                           ^
      1169.               goto err;
      1170.       }

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 `DH_check_pub_key` 
          320.   
          321.       if (b->top > 0)
          322.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                         ^
          323.   
          324.       a->top = b->top;
