ssl/tls_srp.c:293: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `SRP_Calc_client_key`.
Showing all 28 steps of the trace


ssl/tls_srp.c:271:1: Parameter `s->srp_ctx.N->top`
269.   
270.   /* client side */
271. > int srp_generate_client_master_secret(SSL *s)
272.   {
273.       BIGNUM *x = NULL, *u = NULL, *K = NULL;

ssl/tls_srp.c:281:9: Call
279.        * Checks if b % n == 0
280.        */
281.       if (SRP_Verify_B_mod_N(s->srp_ctx.B, s->srp_ctx.N) == 0)
               ^
282.           goto err;
283.       if ((u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N)) == NULL)

crypto/srp/srp_lib.c:212:1: Parameter `N->top`
  210.   }
  211.   
  212. > int SRP_Verify_B_mod_N(const BIGNUM *B, const BIGNUM *N)
  213.   {
  214.       BIGNUM *r;

ssl/tls_srp.c:283:14: Call
281.       if (SRP_Verify_B_mod_N(s->srp_ctx.B, s->srp_ctx.N) == 0)
282.           goto err;
283.       if ((u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N)) == NULL)
                    ^
284.           goto err;
285.       if (s->srp_ctx.SRP_give_srp_client_pwd_callback == NULL)

crypto/srp/srp_lib.c:47:1: Parameter `N->top`
  45.   }
  46.   
  47. > BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N)
  48.   {
  49.       /* k = SHA1(PAD(A) || PAD(B) ) -- tls-srp draft 8 */

crypto/srp/srp_lib.c:50:12: Call
  48.   {
  49.       /* k = SHA1(PAD(A) || PAD(B) ) -- tls-srp draft 8 */
  50.       return srp_Calc_xy(A, B, N);
                   ^
  51.   }
  52.   

crypto/srp/srp_lib.c:19:1: Parameter `N->top`
    17.   /* calculate = SHA1(PAD(x) || PAD(y)) */
    18.   
    19. > static BIGNUM *srp_Calc_xy(const BIGNUM *x, const BIGNUM *y, const BIGNUM *N)
    20.   {
    21.       unsigned char digest[SHA_DIGEST_LENGTH];

crypto/srp/srp_lib.c:23:16: Call
    21.       unsigned char digest[SHA_DIGEST_LENGTH];
    22.       unsigned char *tmp = NULL;
    23.       int numN = BN_num_bytes(N);
                         ^
    24.       BIGNUM *res = NULL;
    25.       if (x != N && BN_ucmp(x, N) >= 0)

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;

ssl/tls_srp.c:293:14: Call
291.       if ((x = SRP_Calc_x(s->srp_ctx.s, s->srp_ctx.login, passwd)) == NULL)
292.           goto err;
293.       if ((K = SRP_Calc_client_key(s->srp_ctx.N, s->srp_ctx.B, s->srp_ctx.g, x,
                    ^
294.                                    s->srp_ctx.a, u)) == NULL)
295.           goto err;

crypto/srp/srp_lib.c:170:1: Parameter `N->top`
  168.   }
  169.   
  170. > BIGNUM *SRP_Calc_client_key(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
  171.                               const BIGNUM *x, const BIGNUM *a, const BIGNUM *u)
  172.   {

crypto/srp/srp_lib.c:185:10: Call
  183.           goto err;
  184.   
  185.       if (!BN_mod_exp(tmp, g, x, N, bn_ctx))
                  ^
  186.           goto err;
  187.       if ((k = srp_Calc_k(N, g)) == NULL)

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:201:13: Call
      199.               goto err;
      200.       } else {
      201.           if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)
                         ^
      202.               goto err;
      203.       }

crypto/bn/bn_recp.c:44:1: Parameter `d->top`
        42.   }
        43.   
        44. > int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)
        45.   {
        46.       if (!BN_copy(&(recp->N), d))

crypto/bn/bn_recp.c:46:10: Call
        44.   int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)
        45.   {
        46.       if (!BN_copy(&(recp->N), d))
                       ^
        47.           return 0;
        48.       BN_zero(&(recp->Nr));

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, 67108856] by call to `SRP_Calc_client_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)
