crypto/bn/bn_gf2m.c:896: error: BUFFER_OVERRUN_L3
  Offset: [1, +oo] Size: [0, 8388607] by call to `BN_GF2m_mod_div`.
Showing all 16 steps of the trace


crypto/bn/bn_gf2m.c:891:18: Call
889.   
890.       BN_CTX_start(ctx);
891.       if ((field = BN_CTX_get(ctx)) == NULL)
                        ^
892.           goto err;
893.       if (!BN_GF2m_arr2poly(p, field))

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:393:1: Parameter `a->top`
    391.   }
    392.   
    393. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    394.   {
    395.       bn_check_top(a);

crypto/bn/bn_gf2m.c:896:11: Call
894.           goto err;
895.   
896.       ret = BN_GF2m_mod_div(r, yy, xx, field, ctx);
                 ^
897.       bn_check_top(r);
898.   

crypto/bn/bn_gf2m.c:760:1: Parameter `p->top`
  758.    * or y, x could equal y.
  759.    */
  760. > int BN_GF2m_mod_div(BIGNUM *r, const BIGNUM *y, const BIGNUM *x,
  761.                       const BIGNUM *p, BN_CTX *ctx)
  762.   {

crypto/bn/bn_gf2m.c:775:10: Call
  773.           goto err;
  774.   
  775.       if (!BN_GF2m_mod_inv(xinv, x, p, ctx))
                  ^
  776.           goto err;
  777.       if (!BN_GF2m_mod_mul(r, y, xinv, p, ctx))

crypto/bn/bn_gf2m.c:639:14: <Offset trace>
637.           bdp = b->d;
638.           bdp[0] = 1;
639.           for (i = 1; i < top; i++)
                    ^
640.               bdp[i] = 0;
641.           b->top = top;

crypto/bn/bn_gf2m.c:639:14: Assignment
    637.           bdp = b->d;
    638.           bdp[0] = 1;
    639.           for (i = 1; i < top; i++)
                        ^
    640.               bdp[i] = 0;
    641.           b->top = top;

crypto/bn/bn_gf2m.c:570:14: <Length trace>
568.       BN_CTX_start(ctx);
569.   
570.       if ((b = BN_CTX_get(ctx)) == NULL)
                    ^
571.           goto err;
572.       if ((c = BN_CTX_get(ctx)) == NULL)

crypto/bn/bn_gf2m.c:570:14: Call
    568.       BN_CTX_start(ctx);
    569.   
    570.       if ((b = BN_CTX_get(ctx)) == NULL)
                        ^
    571.           goto err;
    572.       if ((c = BN_CTX_get(ctx)) == NULL)

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:393:1: Parameter `*a->d`
        391.   }
        392.   
        393. > int BN_set_word(BIGNUM *a, BN_ULONG w)
        394.   {
        395.       bn_check_top(a);

crypto/bn/bn_lib.c:396:9: Call
        394.   {
        395.       bn_check_top(a);
        396.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                       ^
        397.           return (0);
        398.       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_gf2m.c:637:9: Assignment
    635.           if (!bn_wexpand(b, top))
    636.             goto err;
    637.           bdp = b->d;
                   ^
    638.           bdp[0] = 1;
    639.           for (i = 1; i < top; i++)

crypto/bn/bn_gf2m.c:640:13: Array access: Offset: [1, +oo] Size: [0, 8388607] by call to `BN_GF2m_mod_div` 
    638.           bdp[0] = 1;
    639.           for (i = 1; i < top; i++)
    640.               bdp[i] = 0;
                       ^
    641.           b->top = top;
    642.           if (!bn_wexpand(c, top))
