test/bntest.c:1349: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_mod_exp`.
Showing all 18 steps of the trace


test/bntest.c:1344:17: Call
1342.               || !TEST_ptr(e = getBN(s, "E"))
1343.               || !TEST_ptr(m = getBN(s, "M"))
1344.               || !TEST_ptr(mod_exp = getBN(s, "ModExp"))
                        ^
1345.               || !TEST_ptr(ret = BN_new())
1346.               || !TEST_ptr(d = BN_new()))

test/bntest.c:107:9: Call
  105.       }
  106.   
  107.       if (parseBN(&ret, hex) != (int)strlen(hex)) {
                 ^
  108.           TEST_error("Could not decode '%s'", hex);
  109.           return NULL;

test/bntest.c:88:12: Call
    86.   {
    87.       *out = NULL;
    88.       return BN_hex2bn(out, in);
                     ^
    89.   }
    90.   

crypto/bn/bn_print.c:126:1: Parameter `(*bn)->top`
      124.   }
      125.   
      126. > int BN_hex2bn(BIGNUM **bn, const char *a)
      127.   {
      128.       BIGNUM *ret = NULL;

test/bntest.c:1349:10: Call
1347.           goto err;
1348.   
1349.       if (!TEST_true(BN_mod_exp(ret, a, e, m, ctx))
                 ^
1350.               || !equalBN("A ^ E (mod M)", mod_exp, ret))
1351.           goto err;

crypto/bn/bn_exp.c:88:1: Parameter `m->top`
  86.   }
  87.   
  88. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  89.                  BN_CTX *ctx)
  90.   {

crypto/bn/bn_exp.c:133:9: Call
  131.   
  132.   #ifdef MONT_MUL_MOD
  133.       if (BN_is_odd(m)) {
                 ^
  134.   # ifdef MONT_EXP_WORD
  135.           if (a->top == 1 && !a->neg

crypto/bn/bn_lib.c:870:1: Parameter `a->top`
    868.   }
    869.   
    870. > int BN_is_odd(const BIGNUM *a)
    871.   {
    872.       return (a->top > 0) && (a->d[0] & 1);

crypto/bn/bn_exp.c:146:15: Call
  144.   #ifdef RECP_MUL_MOD
  145.       {
  146.           ret = BN_mod_exp_recp(r, a, p, m, ctx);
                       ^
  147.       }
  148.   #else

crypto/bn/bn_exp.c:158:1: Parameter `m->top`
    156.   }
    157.   
    158. > int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
    159.                       const BIGNUM *m, BN_CTX *ctx)
    160.   {

crypto/bn/bn_exp.c:195:14: Call
    193.       if (m->neg) {
    194.           /* ignore sign of 'm' */
    195.           if (!BN_copy(aa, m))
                        ^
    196.               goto err;
    197.           aa->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:951:1: Parameter `*a->d`
        949.   }
        950.   
        951. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
        952.   {
        953.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:333:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] 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.       if (BN_get_flags(b, BN_FLG_CONSTTIME) != 0)
