ssl/statem/statem_srvr.c:2374: error: BUFFER_OVERRUN_L3
  Offset: [16, +oo] (⇐ 1 + [15, +oo]) Size: [0, 8388607] by call to `srp_generate_server_master_secret`.
Showing all 27 steps of the trace


ssl/statem/statem_srvr.c:2356:29: Call
2354.               goto f_err;
2355.           }
2356.           if ((s->srp_ctx.A = BN_bin2bn(data, i, NULL)) == NULL) {
                                    ^
2357.               SSLerr(SSL_F_TLS_PROCESS_CLIENT_KEY_EXCHANGE, ERR_R_BN_LIB);
2358.               goto err;

crypto/bn/bn_lib.c:492:9: Assignment
  490.       n = len;
  491.       if (n == 0) {
  492.           ret->top = 0;
                 ^
  493.           return (ret);
  494.       }

ssl/statem/statem_srvr.c:2374:14: Call
2372.           }
2373.   
2374.           if (!srp_generate_server_master_secret(s)) {
                     ^
2375.               SSLerr(SSL_F_TLS_PROCESS_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);
2376.               goto err;

ssl/tls_srp.c:284:1: Parameter `s->srp_ctx.A->top`
  282.   }
  283.   
  284. > int srp_generate_server_master_secret(SSL *s)
  285.   {
  286.       BIGNUM *K = NULL, *u = NULL;

ssl/tls_srp.c:290:10: Call
  288.       unsigned char *tmp = NULL;
  289.   
  290.       if (!SRP_Verify_A_mod_N(s->srp_ctx.A, s->srp_ctx.N))
                  ^
  291.           goto err;
  292.       if ((u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N)) == NULL)

crypto/srp/srp_lib.c:273:1: Parameter `A->top`
    271.   }
    272.   
    273. > int SRP_Verify_A_mod_N(BIGNUM *A, BIGNUM *N)
    274.   {
    275.       /* Checks if A % N == 0 */

crypto/srp/srp_lib.c:276:12: Call
    274.   {
    275.       /* Checks if A % N == 0 */
    276.       return SRP_Verify_B_mod_N(A, N);
                      ^
    277.   }
    278.   

crypto/srp/srp_lib.c:252:1: Parameter `B->top`
      250.   }
      251.   
      252. > int SRP_Verify_B_mod_N(BIGNUM *B, BIGNUM *N)
      253.   {
      254.       BIGNUM *r;

ssl/tls_srp.c:292:14: Call
  290.       if (!SRP_Verify_A_mod_N(s->srp_ctx.A, s->srp_ctx.N))
  291.           goto err;
  292.       if ((u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N)) == NULL)
                      ^
  293.           goto err;
  294.       if ((K = SRP_Calc_server_key(s->srp_ctx.A, s->srp_ctx.v, u, s->srp_ctx.b,

crypto/srp/srp_lib.c:55:1: Parameter `A->top`
    53.   }
    54.   
    55. > BIGNUM *SRP_Calc_u(BIGNUM *A, BIGNUM *B, BIGNUM *N)
    56.   {
    57.       /* k = SHA1(PAD(A) || PAD(B) ) -- tls-srp draft 8 */

ssl/tls_srp.c:294:14: Call
  292.       if ((u = SRP_Calc_u(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N)) == NULL)
  293.           goto err;
  294.       if ((K = SRP_Calc_server_key(s->srp_ctx.A, s->srp_ctx.v, u, s->srp_ctx.b,
                      ^
  295.                                    s->srp_ctx.N)) == NULL)
  296.           goto err;

crypto/srp/srp_lib.c:98:1: Parameter `A->top`
    96.   }
    97.   
    98. > BIGNUM *SRP_Calc_server_key(BIGNUM *A, BIGNUM *v, BIGNUM *u, BIGNUM *b,
    99.                               BIGNUM *N)
    100.   {

crypto/srp/srp_lib.c:114:10: Call
    112.       if (!BN_mod_exp(tmp, v, u, N, bn_ctx))
    113.           goto err;
    114.       if (!BN_mod_mul(tmp, A, tmp, N, bn_ctx))
                    ^
    115.           goto err;
    116.   

crypto/bn/bn_mod.c:73:1: Parameter `a->top`
      71.   
      72.   /* slow but works */
      73. > int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
      74.                  BN_CTX *ctx)
      75.   {

crypto/bn/bn_mod.c:87:14: Call
      85.           goto err;
      86.       if (a == b) {
      87.           if (!BN_sqr(t, a, ctx))
                         ^
      88.               goto err;
      89.       } 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:104:1: <Offset trace>
102.   
103.   /* tmp must have 2*n words */
104. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
105.   {
106.       int i, j, max;

crypto/bn/bn_sqr.c:104:1: Parameter `n`
          102.   
          103.   /* tmp must have 2*n words */
          104. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
          105.   {
          106.       int i, j, max;

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

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

crypto/bn/bn_sqr.c:104:1: <Length trace>
102.   
103.   /* tmp must have 2*n words */
104. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
105.   {
106.       int i, j, max;

crypto/bn/bn_sqr.c:104:1: Parameter `*r`
          102.   
          103.   /* tmp must have 2*n words */
          104. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
          105.   {
          106.       int i, j, max;

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

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

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