ssl/tls_srp.c:302: 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:275:1: Parameter `s->srp_ctx.N->top`
273.   
274.   /* client side */
275. > int srp_generate_client_master_secret(SSL *s)
276.   {
277.       BIGNUM *x = NULL, *u = NULL, *K = NULL;

ssl/tls_srp.c:285:9: Call
283.        * Checks if b % n == 0
284.        */
285.       if (SRP_Verify_B_mod_N(s->srp_ctx.B, s->srp_ctx.N) == 0
               ^
286.               || (u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N))
287.                  == 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:286:21: Call
284.        */
285.       if (SRP_Verify_B_mod_N(s->srp_ctx.B, s->srp_ctx.N) == 0
286.               || (u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N))
                           ^
287.                  == NULL
288.               || 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:139:9: Call
      137.       bn_check_top(a);
      138.   
      139.       if (BN_is_zero(a))
                     ^
      140.           return 0;
      141.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));

crypto/bn/bn_lib.c:814:1: Parameter `a->top`
        812.   }
        813.   
        814. > int BN_is_zero(const BIGNUM *a)
        815.   {
        816.       return a->top == 0;

ssl/tls_srp.c:302:21: Call
300.       }
301.       if ((x = SRP_Calc_x(s->srp_ctx.s, s->srp_ctx.login, passwd)) == NULL
302.               || (K = SRP_Calc_client_key(s->srp_ctx.N, s->srp_ctx.B,
                           ^
303.                                           s->srp_ctx.g, x,
304.                                           s->srp_ctx.a, u)) == NULL) {

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: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:829:1: Parameter `a->top`
      827.   }
      828.   
      829. > int BN_is_odd(const BIGNUM *a)
      830.   {
      831.       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:1101:1: Parameter `m->top`
      1099.   }
      1100.   
      1101. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
      1102.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
      1103.   {

crypto/bn/bn_exp.c:1137:10: Call
      1135.       bn_check_top(m);
      1136.   
      1137.       if (!BN_is_odd(m)) {
                       ^
      1138.           BNerr(BN_F_BN_MOD_EXP_MONT_WORD, BN_R_CALLED_WITH_EVEN_MODULUS);
      1139.           return 0;

crypto/bn/bn_lib.c:829:1: Parameter `a->top`
        827.   }
        828.   
        829. > int BN_is_odd(const BIGNUM *a)
        830.   {
        831.       return (a->top > 0) && (a->d[0] & 1);

crypto/bn/bn_exp.c:1172:14: Call
      1170.           if ((mont = BN_MONT_CTX_new()) == NULL)
      1171.               goto err;
      1172.           if (!BN_MONT_CTX_set(mont, m, ctx))
                           ^
      1173.               goto err;
      1174.       }

crypto/bn/bn_mont.c:230:1: Parameter `mod->top`
        228.   }
        229.   
        230. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
        231.   {
        232.       int ret = 0;

crypto/bn/bn_mont.c:235:9: Call
        233.       BIGNUM *Ri, *R;
        234.   
        235.       if (BN_is_zero(mod))
                       ^
        236.           return 0;
        237.   

crypto/bn/bn_lib.c:814:1: Parameter `a->top`
          812.   }
          813.   
          814. > int BN_is_zero(const BIGNUM *a)
          815.   {
          816.       return a->top == 0;

crypto/bn/bn_mont.c:242:10: Call
        240.           goto err;
        241.       R = &(mont->RR);            /* grab RR as a temp */
        242.       if (!BN_copy(&(mont->N), mod))
                        ^
        243.           goto err;               /* Set N */
        244.       if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)

crypto/bn/bn_lib.c:285:1: <Offset trace>
283.   }
284.   
285. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
286.   {
287.       bn_check_top(b);

crypto/bn/bn_lib.c:285:1: Parameter `b->top`
          283.   }
          284.   
          285. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
          286.   {
          287.       bn_check_top(b);

crypto/bn/bn_lib.c:285:1: <Length trace>
283.   }
284.   
285. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
286.   {
287.       bn_check_top(b);

crypto/bn/bn_lib.c:285:1: Parameter `*a->d`
          283.   }
          284.   
          285. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
          286.   {
          287.       bn_check_top(b);

crypto/bn/bn_lib.c:291:9: Call
          289.       if (a == b)
          290.           return a;
          291.       if (bn_wexpand(a, b->top) == NULL)
                         ^
          292.           return NULL;
          293.   

crypto/bn/bn_lib.c:910:1: Parameter `*a->d`
            908.   }
            909.   
            910. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
            911.   {
            912.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:295:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `SRP_Calc_client_key` 
          293.   
          294.       if (b->top > 0)
          295.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                         ^
          296.   
          297.       a->top = b->top;
