crypto/srp/srp_lib.c:73: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_mod_exp`.
Showing all 29 steps of the trace


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:141:19: Call
  139.               && (BN_get_flags(p, 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:1091:1: Parameter `m->top`
    1089.   }
    1090.   
    1091. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
    1092.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    1093.   {

crypto/srp/srp_lib.c:69:10: Call
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))
               ^
70.           goto err;
71.   

crypto/bn/bn_mod.c:73:1: Parameter `m->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/srp/srp_lib.c:73:23: Call
71.   
72.       S = BN_new();
73.       if (S != NULL && !BN_mod_exp(S, tmp, b, N, bn_ctx)) {
                            ^
74.           BN_free(S);
75.           S = NULL;

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:141:19: Call
  139.               && (BN_get_flags(p, 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:1091:1: Parameter `m->top`
    1089.   }
    1090.   
    1091. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
    1092.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
    1093.   {

crypto/bn/bn_exp.c:1126:10: Call
    1124.       bn_check_top(m);
    1125.   
    1126.       if (!BN_is_odd(m)) {
                     ^
    1127.           BNerr(BN_F_BN_MOD_EXP_MONT_WORD, BN_R_CALLED_WITH_EVEN_MODULUS);
    1128.           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:1162:14: Call
    1160.           if ((mont = BN_MONT_CTX_new()) == NULL)
    1161.               goto err;
    1162.           if (!BN_MONT_CTX_set(mont, m, ctx))
                         ^
    1163.               goto err;
    1164.       }

crypto/bn/bn_mont.c:247:1: Parameter `mod->top`
      245.   }
      246.   
      247. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      248.   {
      249.       int ret = 0;

crypto/bn/bn_mont.c:252:9: Call
      250.       BIGNUM *Ri, *R;
      251.   
      252.       if (BN_is_zero(mod))
                     ^
      253.           return 0;
      254.   

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:259:10: Call
      257.           goto err;
      258.       R = &(mont->RR);            /* grab RR as a temp */
      259.       if (!BN_copy(&(mont->N), mod))
                      ^
      260.           goto err;               /* Set N */
      261.       mont->N.neg = 0;

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 `BN_mod_exp` 
        331.   
        332.       if (b->top > 0)
        333.           memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
                       ^
        334.   
        335.       a->top = b->top;
