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 32 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:216:1: Parameter `N->top`
  214.   }
  215.   
  216. > int SRP_Verify_B_mod_N(const BIGNUM *B, const BIGNUM *N)
  217.   {
  218.       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:51:1: Parameter `N->top`
  49.   }
  50.   
  51. > BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N)
  52.   {
  53.       /* k = SHA1(PAD(A) || PAD(B) ) -- tls-srp draft 8 */

crypto/srp/srp_lib.c:54:12: Call
  52.   {
  53.       /* k = SHA1(PAD(A) || PAD(B) ) -- tls-srp draft 8 */
  54.       return srp_Calc_xy(A, B, N);
                   ^
  55.   }
  56.   

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.       if (x != N && BN_ucmp(x, N) >= 0)

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:852:1: Parameter `a->top`
        850.   }
        851.   
        852. > int BN_is_zero(const BIGNUM *a)
        853.   {
        854.       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:174:1: Parameter `N->top`
  172.   }
  173.   
  174. > BIGNUM *SRP_Calc_client_key(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
  175.                               const BIGNUM *x, const BIGNUM *a, const BIGNUM *u)
  176.   {

crypto/srp/srp_lib.c:189:10: Call
  187.           goto err;
  188.   
  189.       if (!BN_mod_exp(tmp, g, x, N, bn_ctx))
                  ^
  190.           goto err;
  191.       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:867:1: Parameter `a->top`
      865.   }
      866.   
      867. > int BN_is_odd(const BIGNUM *a)
      868.   {
      869.       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:1127:1: Parameter `m->top`
      1125.   }
      1126.   
      1127. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
      1128.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
      1129.   {

crypto/bn/bn_exp.c:1163:10: Call
      1161.       bn_check_top(m);
      1162.   
      1163.       if (!BN_is_odd(m)) {
                       ^
      1164.           BNerr(BN_F_BN_MOD_EXP_MONT_WORD, BN_R_CALLED_WITH_EVEN_MODULUS);
      1165.           return 0;

crypto/bn/bn_lib.c:867:1: Parameter `a->top`
        865.   }
        866.   
        867. > int BN_is_odd(const BIGNUM *a)
        868.   {
        869.       return (a->top > 0) && (a->d[0] & 1);

crypto/bn/bn_exp.c:1198:14: Call
      1196.           if ((mont = BN_MONT_CTX_new()) == NULL)
      1197.               goto err;
      1198.           if (!BN_MONT_CTX_set(mont, m, ctx))
                           ^
      1199.               goto err;
      1200.       }

crypto/bn/bn_mont.c:251:1: Parameter `mod->top`
        249.   }
        250.   
        251. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
        252.   {
        253.       int i, ret = 0;

crypto/bn/bn_mont.c:256:9: Call
        254.       BIGNUM *Ri, *R;
        255.   
        256.       if (BN_is_zero(mod))
                       ^
        257.           return 0;
        258.   

crypto/bn/bn_lib.c:852:1: Parameter `a->top`
          850.   }
          851.   
          852. > int BN_is_zero(const BIGNUM *a)
          853.   {
          854.       return a->top == 0;

crypto/bn/bn_mont.c:263:10: Call
        261.           goto err;
        262.       R = &(mont->RR);            /* grab RR as a temp */
        263.       if (!BN_copy(&(mont->N), mod))
                        ^
        264.           goto err;               /* Set N */
        265.       if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)

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:948:1: Parameter `*a->d`
            946.   }
            947.   
            948. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
            949.   {
            950.       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;
