crypto/dsa/dsa_ossl.c:93: error: BUFFER_OVERRUN_L3
  Offset: [16, +oo] (⇐ 1 + [15, +oo]) Size: [0, 8388607] by call to `dsa_sign_setup`.
Showing all 24 steps of the trace


crypto/dsa/dsa_ossl.c:61:1: Parameter `dsa->g->top`
59.   }
60.   
61. > static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
62.   {
63.       BIGNUM *kinv = NULL;

crypto/dsa/dsa_ossl.c:93:10: Call
91.           goto err;
92.    redo:
93.       if (!dsa_sign_setup(dsa, ctx, &kinv, &ret->r, dgst, dlen))
               ^
94.           goto err;
95.   

crypto/dsa/dsa_ossl.c:145:1: Parameter `dsa->g->top`
  143.   }
  144.   
  145. > static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in,
  146.                             BIGNUM **kinvp, BIGNUM **rp,
  147.                             const unsigned char *dgst, int dlen)

crypto/dsa/dsa_ossl.c:211:18: Call
  209.                   goto err;
  210.       } else {
  211.               if (!BN_mod_exp_mont(r, dsa->g, k, dsa->p, ctx, dsa->method_mont_p))
                          ^
  212.                   goto err;
  213.       }

crypto/bn/bn_exp.c:296:1: Parameter `a->top`
    294.   }
    295.   
    296. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
    297.                       const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    298.   {

crypto/bn/bn_exp.c:310:16: Call
    308.               || BN_get_flags(a, BN_FLG_CONSTTIME) != 0
    309.               || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {
    310.           return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);
                          ^
    311.       }
    312.   

crypto/bn/bn_exp.c:598:1: Parameter `a->top`
      596.    * http://www.daemonology.net/hyperthreading-considered-harmful/)
      597.    */
      598. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
      599.                                 const BIGNUM *m, BN_CTX *ctx,
      600.                                 BN_MONT_CTX *in_mont)

crypto/bn/bn_exp.c:755:17: Call
      753.           if (!BN_to_montgomery(&am, &am, mont, ctx))
      754.               goto err;
      755.       } else if (!BN_to_montgomery(&am, a, mont, ctx))
                             ^
      756.           goto err;
      757.   

crypto/bn/bn_lib.c:880:1: Parameter `a->top`
        878.   }
        879.   
        880. > int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,
        881.                        BN_CTX *ctx)
        882.   {

crypto/bn/bn_lib.c:883:12: Call
        881.                        BN_CTX *ctx)
        882.   {
        883.       return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);
                          ^
        884.   }
        885.   

crypto/bn/bn_mont.c:26:1: Parameter `a->top`
          24.   #endif
          25.   
          26. > int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
          27.                             BN_MONT_CTX *mont, BN_CTX *ctx)
          28.   {

crypto/bn/bn_mont.c:53:14: Call
          51.       bn_check_top(tmp);
          52.       if (a == b) {
          53.           if (!BN_sqr(tmp, a, ctx))
                             ^
          54.               goto err;
          55.       } else {

crypto/bn/bn_sqr.c:17:1: Parameter `a->top`
            15.    * I've just gone over this and it is now %20 faster on x86 - eay - 27 Jun 96
            16.    */
            17. > int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
            18.   {
            19.       int max, al;

crypto/bn/bn_sqr.c:25:5: Assignment
            23.       bn_check_top(a);
            24.   
            25.       al = a->top;
                      ^
            26.       if (al <= 0) {
            27.           r->top = 0;

crypto/bn/bn_sqr.c:74:17: Call
            72.                   if (bn_wexpand(tmp, max) == NULL)
            73.                       goto err;
            74.                   bn_sqr_normal(rr->d, a->d, al, tmp->d);
                                  ^
            75.               }
            76.           }

crypto/bn/bn_sqr.c:105:1: <Offset trace>
103.   
104.   /* tmp must have 2*n words */
105. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
106.   {
107.       int i, j, max;

crypto/bn/bn_sqr.c:105:1: Parameter `n`
              103.   
              104.   /* tmp must have 2*n words */
              105. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
              106.   {
              107.       int i, j, max;

crypto/bn/bn_sqr.c:116:5: Assignment
              114.       rp[0] = rp[max - 1] = 0;
              115.       rp++;
              116.       j = n;
                         ^
              117.   
              118.       if (--j > 0) {

crypto/bn/bn_sqr.c:118:9: Assignment
              116.       j = n;
              117.   
              118.       if (--j > 0) {
                             ^
              119.           ap++;
              120.           rp[j] = bn_mul_words(rp, ap, j, ap[-1]);

crypto/bn/bn_sqr.c:105:1: <Length trace>
103.   
104.   /* tmp must have 2*n words */
105. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
106.   {
107.       int i, j, max;

crypto/bn/bn_sqr.c:105:1: Parameter `*r`
              103.   
              104.   /* tmp must have 2*n words */
              105. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
              106.   {
              107.       int i, j, max;

crypto/bn/bn_sqr.c:113:5: Assignment
              111.       max = n * 2;
              112.       ap = a;
              113.       rp = r;
                         ^
              114.       rp[0] = rp[max - 1] = 0;
              115.       rp++;

crypto/bn/bn_sqr.c:115:5: Assignment
              113.       rp = r;
              114.       rp[0] = rp[max - 1] = 0;
              115.       rp++;
                         ^
              116.       j = n;
              117.   

crypto/bn/bn_sqr.c:120:9: Array access: Offset: [16, +oo] (⇐ 1 + [15, +oo]) Size: [0, 8388607] by call to `dsa_sign_setup` 
              118.       if (--j > 0) {
              119.           ap++;
              120.           rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
                             ^
              121.           rp += 2;
              122.       }
