crypto/bn/bn_exp2.c:72: error: BUFFER_OVERRUN_L3
  Offset: 0 Size: [0, 8388607] by call to `BN_div`.
Showing all 13 steps of the trace


crypto/bn/bn_exp2.c:49:9: Call
47.   
48.       BN_CTX_start(ctx);
49.       d = BN_CTX_get(ctx);
              ^
50.       r = BN_CTX_get(ctx);
51.       val1[0] = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:229:5: Call
  227.       }
  228.       /* OK, make sure the returned bignum is "zero" */
  229.       BN_zero(ret);
             ^
  230.       ctx->used++;
  231.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:359:1: Parameter `*a->d`
    357.   }
    358.   
    359. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    360.   {
    361.       bn_check_top(a);

crypto/bn/bn_lib.c:362:9: Call
    360.   {
    361.       bn_check_top(a);
    362.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                   ^
    363.           return 0;
    364.       a->neg = 0;

crypto/bn/bn_lcl.h:660:1: Parameter `*a->d`
      658.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
      659.   
      660. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
      661.   {
      662.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/bn/bn_exp2.c:72:14: Call
70.        */
71.       if (a1->neg || BN_ucmp(a1, m) >= 0) {
72.           if (!BN_mod(val1[0], a1, m, ctx))
                   ^
73.               goto err;
74.           a_mod_m = val1[0];

crypto/bn/bn_div.c:209:1: Parameter `*rm->d`
  207.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  208.    */
  209. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  210.              BN_CTX *ctx)
  211.   {

crypto/bn/bn_div.c:229:11: Call
  227.       }
  228.   
  229.       ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);
                   ^
  230.   
  231.       if (ret) {

crypto/bn/bn_div.c:264:1: Parameter `*rm->d`
    262.    *       divisor's length is considered public;
    263.    */
    264. > int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,
    265.                        const BIGNUM *divisor, BN_CTX *ctx)
    266.   {

crypto/bn/bn_div.c:449:9: Call
    447.       snum->flags |= BN_FLG_FIXED_TOP;
    448.       if (rm != NULL)
    449.           bn_rshift_fixed_top(rm, snum, norm_shift);
                   ^
    450.       BN_CTX_end(ctx);
    451.       return 1;

crypto/bn/bn_shift.c:214:1: <Length trace>
212.    * |n < BN_BITS2| or |n / BN_BITS2| being non-secret.
213.    */
214. > int bn_rshift_fixed_top(BIGNUM *r, const BIGNUM *a, int n)
215.   {
216.       int i, top, nw;

crypto/bn/bn_shift.c:214:1: Parameter `*r->d`
      212.    * |n < BN_BITS2| or |n / BN_BITS2| being non-secret.
      213.    */
      214. > int bn_rshift_fixed_top(BIGNUM *r, const BIGNUM *a, int n)
      215.   {
      216.       int i, top, nw;

crypto/bn/bn_shift.c:242:5: Array access: Offset: 0 Size: [0, 8388607] by call to `BN_div` 
      240.           return 0;
      241.   
      242.       t = &(r->d[0]);
                 ^
      243.       f = &(a->d[nw]);
      244.       l = f[0];
