ssl/tls_srp.c:306: 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:279:1: Parameter `s->srp_ctx.N->top`
277.   
278.   /* client side */
279. > int srp_generate_client_master_secret(SSL *s)
280.   {
281.       BIGNUM *x = NULL, *u = NULL, *K = NULL;

ssl/tls_srp.c:289:9: Call
287.        * Checks if b % n == 0
288.        */
289.       if (SRP_Verify_B_mod_N(s->srp_ctx.B, s->srp_ctx.N) == 0
               ^
290.               || (u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N))
291.                  == NULL

crypto/srp/srp_lib.c:218:1: Parameter `N->top`
  216.   }
  217.   
  218. > int SRP_Verify_B_mod_N(const BIGNUM *B, const BIGNUM *N)
  219.   {
  220.       BIGNUM *r;

ssl/tls_srp.c:290:21: Call
288.        */
289.       if (SRP_Verify_B_mod_N(s->srp_ctx.B, s->srp_ctx.N) == 0
290.               || (u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N))
                           ^
291.                  == NULL
292.               || s->srp_ctx.SRP_give_srp_client_pwd_callback == NULL) {

crypto/srp/srp_lib.c:52:1: Parameter `N->top`
  50.   }
  51.   
  52. > BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N)
  53.   {
  54.       /* u = SHA1(PAD(A) || PAD(B) ) -- tls-srp RFC 5054 */

crypto/srp/srp_lib.c:55:12: Call
  53.   {
  54.       /* u = SHA1(PAD(A) || PAD(B) ) -- tls-srp RFC 5054 */
  55.       return srp_Calc_xy(A, B, N);
                   ^
  56.   }
  57.   

crypto/srp/srp_lib.c:23:1: Parameter `N->top`
    21.   /* calculate = SHA1(PAD(x) || PAD(y)) */
    22.   
    23. > static BIGNUM *srp_Calc_xy(const BIGNUM *x, const BIGNUM *y, const BIGNUM *N)
    24.   {
    25.       unsigned char digest[SHA_DIGEST_LENGTH];

crypto/srp/srp_lib.c:27:16: Call
    25.       unsigned char digest[SHA_DIGEST_LENGTH];
    26.       unsigned char *tmp = NULL;
    27.       int numN = BN_num_bytes(N);
                         ^
    28.       BIGNUM *res = NULL;
    29.   

crypto/bn/bn_lib.c:140:9: Call
      138.       bn_check_top(a);
      139.   
      140.       if (BN_is_zero(a))
                     ^
      141.           return 0;
      142.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));

crypto/bn/bn_lib.c:843:1: Parameter `a->top`
        841.   }
        842.   
        843. > int BN_is_zero(const BIGNUM *a)
        844.   {
        845.       return a->top == 0;

ssl/tls_srp.c:306:21: Call
304.       }
305.       if ((x = SRP_Calc_x(s->srp_ctx.s, s->srp_ctx.login, passwd)) == NULL
306.               || (K = SRP_Calc_client_key(s->srp_ctx.N, s->srp_ctx.B,
                           ^
307.                                           s->srp_ctx.g, x,
308.                                           s->srp_ctx.a, u)) == NULL) {

crypto/srp/srp_lib.c:176:1: Parameter `N->top`
  174.   }
  175.   
  176. > BIGNUM *SRP_Calc_client_key(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
  177.                               const BIGNUM *x, const BIGNUM *a, const BIGNUM *u)
  178.   {

crypto/srp/srp_lib.c:191:10: Call
  189.           goto err;
  190.   
  191.       if (!BN_mod_exp(tmp, g, x, N, bn_ctx))
                  ^
  192.           goto err;
  193.       if ((k = srp_Calc_k(N, g)) == NULL)

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:858:1: Parameter `a->top`
      856.   }
      857.   
      858. > int BN_is_odd(const BIGNUM *a)
      859.   {
      860.       return (a->top > 0) && (a->d[0] & 1);

crypto/bn/bn_exp.c:149:15: Call
    147.   #ifdef RECP_MUL_MOD
    148.       {
    149.           ret = BN_mod_exp_recp(r, a, p, m, ctx);
                         ^
    150.       }
    151.   #else

crypto/bn/bn_exp.c:161:1: Parameter `m->top`
      159.   }
      160.   
      161. > int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
      162.                       const BIGNUM *m, BN_CTX *ctx)
      163.   {

crypto/bn/bn_exp.c:206:13: Call
      204.               goto err;
      205.       } else {
      206.           if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)
                         ^
      207.               goto err;
      208.       }

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

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

crypto/bn/bn_lib.c:281:1: <Offset trace>
279.   }
280.   
281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
282.   {
283.       bn_check_top(b);

crypto/bn/bn_lib.c:281:1: Parameter `b->top`
          279.   }
          280.   
          281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
          282.   {
          283.       bn_check_top(b);

crypto/bn/bn_lib.c:281:1: <Length trace>
279.   }
280.   
281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
282.   {
283.       bn_check_top(b);

crypto/bn/bn_lib.c:281:1: Parameter `*a->d`
          279.   }
          280.   
          281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
          282.   {
          283.       bn_check_top(b);

crypto/bn/bn_lib.c:287:9: Call
          285.       if (a == b)
          286.           return a;
          287.       if (bn_wexpand(a, b->top) == NULL)
                         ^
          288.           return NULL;
          289.   

crypto/bn/bn_lib.c:939:1: Parameter `*a->d`
            937.   }
            938.   
            939. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
            940.   {
            941.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:291:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `SRP_Calc_client_key` 
          289.   
          290.       if (b->top > 0)
          291.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                         ^
          292.   
          293.       a->neg = b->neg;
