ssl/tls_srp.c:294: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `SRP_Calc_server_key`.
Showing all 30 steps of the trace


ssl/tls_srp.c:284:1: Parameter `s->srp_ctx.N->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:233:1: Parameter `N->top`
  231.   }
  232.   
  233. > int SRP_Verify_A_mod_N(const BIGNUM *A, const BIGNUM *N)
  234.   {
  235.       /* Checks if A % N == 0 */

crypto/srp/srp_lib.c:236:12: Call
  234.   {
  235.       /* Checks if A % N == 0 */
  236.       return SRP_Verify_B_mod_N(A, N);
                    ^
  237.   }
  238.   

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: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: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: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: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:53:1: Parameter `N->top`
  51.   }
  52.   
  53. > BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,
  54.                               const BIGNUM *b, const BIGNUM *N)
  55.   {

crypto/srp/srp_lib.c:67:10: Call
  65.       /* S = (A*v**u) ** b */
  66.   
  67.       if (!BN_mod_exp(tmp, v, u, N, bn_ctx))
                 ^
  68.           goto err;
  69.       if (!BN_mod_mul(tmp, A, tmp, N, bn_ctx))

crypto/bn/bn_exp.c:91:1: Parameter `m->top`
    89.   }
    90.   
    91. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
    92.                  BN_CTX *ctx)
    93.   {

crypto/bn/bn_exp.c:136:9: Call
    134.   
    135.   #ifdef MONT_MUL_MOD
    136.       if (BN_is_odd(m)) {
                   ^
    137.   # ifdef MONT_EXP_WORD
    138.           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: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:204:13: Call
      202.               goto err;
      203.       } else {
      204.           if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)
                         ^
      205.               goto err;
      206.       }

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: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:333:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `SRP_Calc_server_key` 
          331.   
          332.       if (b->top > 0)
          333.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                         ^
          334.   
          335.       a->top = b->top;
