test/bntest.c:610: error: BUFFER_OVERRUN_L3
  Offset: [1, +oo] Size: [0, 8388607] by call to `BN_GF2m_mod_inv`.
Showing all 13 steps of the trace


test/bntest.c:610:13: Call
608.           BN_bntest_rand(a, 512, 0, 0);
609.           for (j = 0; j < 2; j++) {
610.               BN_GF2m_mod_inv(c, a, b[j], ctx);
                   ^
611.               BN_GF2m_mod_mul(d, a, c, b[j], ctx);
612.               /* Test that ((1/a)*a) = 1. */

crypto/bn/bn_gf2m.c:550:1: Parameter `r->top`
  548.    * Curve Cryptography Over Binary Fields".
  549.    */
  550. > int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
  551.   {
  552.       BIGNUM *b, *c = NULL, *u = NULL, *v = NULL, *tmp;

test/bntest.c:610:13: Call
608.           BN_bntest_rand(a, 512, 0, 0);
609.           for (j = 0; j < 2; j++) {
610.               BN_GF2m_mod_inv(c, a, b[j], ctx);
                   ^
611.               BN_GF2m_mod_mul(d, a, c, b[j], ctx);
612.               /* Test that ((1/a)*a) = 1. */

crypto/bn/bn_gf2m.c:627:14: <Offset trace>
625.           bdp = b->d;
626.           bdp[0] = 1;
627.           for (i = 1; i < top; i++)
                    ^
628.               bdp[i] = 0;
629.           b->top = top;

crypto/bn/bn_gf2m.c:627:14: Assignment
  625.           bdp = b->d;
  626.           bdp[0] = 1;
  627.           for (i = 1; i < top; i++)
                      ^
  628.               bdp[i] = 0;
  629.           b->top = top;

crypto/bn/bn_gf2m.c:560:9: <Length trace>
558.       BN_CTX_start(ctx);
559.   
560.       b = BN_CTX_get(ctx);
               ^
561.       c = BN_CTX_get(ctx);
562.       u = BN_CTX_get(ctx);

crypto/bn/bn_gf2m.c:560:9: Call
  558.       BN_CTX_start(ctx);
  559.   
  560.       b = BN_CTX_get(ctx);
                 ^
  561.       c = BN_CTX_get(ctx);
  562.       u = 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:395:1: Parameter `*a->d`
      393.   }
      394.   
      395. > int BN_set_word(BIGNUM *a, BN_ULONG w)
      396.   {
      397.       bn_check_top(a);

crypto/bn/bn_lib.c:398:9: Call
      396.   {
      397.       bn_check_top(a);
      398.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                     ^
      399.           return (0);
      400.       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:625:9: Assignment
  623.           if (!bn_wexpand(b, top))
  624.             goto err;
  625.           bdp = b->d;
                 ^
  626.           bdp[0] = 1;
  627.           for (i = 1; i < top; i++)

crypto/bn/bn_gf2m.c:628:13: Array access: Offset: [1, +oo] Size: [0, 8388607] by call to `BN_GF2m_mod_inv` 
  626.           bdp[0] = 1;
  627.           for (i = 1; i < top; i++)
  628.               bdp[i] = 0;
                     ^
  629.           b->top = top;
  630.           if (!bn_wexpand(c, top))
