apps/gendsa.c:120: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `DSA_generate_key`.
Showing all 21 steps of the trace


apps/gendsa.c:119:58: Call
117.   
118.       DSA_get0_pqg(dsa, &p, NULL, NULL);
119.       BIO_printf(bio_err, "Generating DSA key, %d bits\n", BN_num_bits(p));
                                                                ^
120.       if (!DSA_generate_key(dsa))
121.           goto end;

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:855:1: Parameter `a->top`
    853.   }
    854.   
    855. > int BN_is_zero(const BIGNUM *a)
    856.   {
    857.       return a->top == 0;

apps/gendsa.c:120:10: Call
118.       DSA_get0_pqg(dsa, &p, NULL, NULL);
119.       BIO_printf(bio_err, "Generating DSA key, %d bits\n", BN_num_bits(p));
120.       if (!DSA_generate_key(dsa))
                ^
121.           goto end;
122.   

crypto/dsa/dsa_key.c:18:1: Parameter `dsa->p->top`
  16.   static int dsa_builtin_keygen(DSA *dsa);
  17.   
  18. > int DSA_generate_key(DSA *dsa)
  19.   {
  20.       if (dsa->meth->dsa_keygen)

crypto/dsa/dsa_key.c:22:12: Call
  20.       if (dsa->meth->dsa_keygen)
  21.           return dsa->meth->dsa_keygen(dsa);
  22.       return dsa_builtin_keygen(dsa);
                   ^
  23.   }
  24.   

crypto/dsa/dsa_key.c:25:1: Parameter `dsa->p->top`
    23.   }
    24.   
    25. > static int dsa_builtin_keygen(DSA *dsa)
    26.   {
    27.       int ok = 0;

crypto/dsa/dsa_key.c:58:14: Call
    56.           BN_with_flags(prk, priv_key, BN_FLG_CONSTTIME);
    57.   
    58.           if (!BN_mod_exp(pub_key, dsa->g, prk, dsa->p, ctx)) {
                       ^
    59.               BN_free(prk);
    60.               goto err;

crypto/bn/bn_exp.c:88:1: Parameter `m->top`
      86.   }
      87.   
      88. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
      89.                  BN_CTX *ctx)
      90.   {

crypto/bn/bn_exp.c:133:9: Call
      131.   
      132.   #ifdef MONT_MUL_MOD
      133.       if (BN_is_odd(m)) {
                     ^
      134.   # ifdef MONT_EXP_WORD
      135.           if (a->top == 1 && !a->neg

crypto/bn/bn_lib.c:870:1: Parameter `a->top`
        868.   }
        869.   
        870. > int BN_is_odd(const BIGNUM *a)
        871.   {
        872.       return (a->top > 0) && (a->d[0] & 1);

crypto/bn/bn_exp.c:146:15: Call
      144.   #ifdef RECP_MUL_MOD
      145.       {
      146.           ret = BN_mod_exp_recp(r, a, p, m, ctx);
                           ^
      147.       }
      148.   #else

crypto/bn/bn_exp.c:158:1: Parameter `m->top`
        156.   }
        157.   
        158. > int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
        159.                       const BIGNUM *m, BN_CTX *ctx)
        160.   {

crypto/bn/bn_exp.c:195:14: Call
        193.       if (m->neg) {
        194.           /* ignore sign of 'm' */
        195.           if (!BN_copy(aa, m))
                            ^
        196.               goto err;
        197.           aa->neg = 0;

crypto/bn/bn_lib.c:323:1: <Offset trace>
321.   }
322.   
323. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
324.   {
325.       bn_check_top(b);

crypto/bn/bn_lib.c:323:1: Parameter `b->top`
          321.   }
          322.   
          323. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
          324.   {
          325.       bn_check_top(b);

crypto/bn/bn_lib.c:323:1: <Length trace>
321.   }
322.   
323. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
324.   {
325.       bn_check_top(b);

crypto/bn/bn_lib.c:323:1: Parameter `*a->d`
          321.   }
          322.   
          323. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
          324.   {
          325.       bn_check_top(b);

crypto/bn/bn_lib.c:329:9: Call
          327.       if (a == b)
          328.           return a;
          329.       if (bn_wexpand(a, b->top) == NULL)
                         ^
          330.           return NULL;
          331.   

crypto/bn/bn_lib.c:951:1: Parameter `*a->d`
            949.   }
            950.   
            951. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
            952.   {
            953.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:333:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] by call to `DSA_generate_key` 
          331.   
          332.       if (b->top > 0)
          333.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                         ^
          334.   
          335.       if (BN_get_flags(b, BN_FLG_CONSTTIME) != 0)
