crypto/bn/bn_recp.c:67: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, +oo] by call to `BN_sqr`.
Showing all 21 steps of the trace


crypto/bn/bn_recp.c:63:14: Call
61.   
62.       BN_CTX_start(ctx);
63.       if ((a = BN_CTX_get(ctx)) == NULL)
                   ^
64.           goto err;
65.       if (y != 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: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_recp.c:67:18: Call
65.       if (y != NULL) {
66.           if (x == y) {
67.               if (!BN_sqr(a, x, ctx))
                       ^
68.                   goto err;
69.           } else {

crypto/bn/bn_sqr.c:17:1: Parameter `*r->d`
  15.    * I've just gone over this and it is now %20 faster on x86 - eay - 27 Jun 96
  16.    */
  17. > int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
  18.   {
  19.       int ret = bn_sqr_fixed_top(r, a, ctx);

crypto/bn/bn_sqr.c:19:15: Call
  17.   int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
  18.   {
  19.       int ret = bn_sqr_fixed_top(r, a, ctx);
                      ^
  20.   
  21.       bn_correct_top(r);

crypto/bn/bn_sqr.c:27:1: Parameter `*r->d`
    25.   }
    26.   
    27. > int bn_sqr_fixed_top(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
    28.   {
    29.       int max, al;

crypto/bn/bn_sqr.c:49:9: Call
    47.   
    48.       max = 2 * al;               /* Non-zero (from above) */
    49.       if (bn_wexpand(rr, max) == NULL)
                  ^
    50.           goto err;
    51.   

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_sqr.c:78:21: Call
    76.               k = j + j;
    77.               if (al == j) {
    78.                   if (bn_wexpand(tmp, k * 2) == NULL)
                              ^
    79.                       goto err;
    80.                   bn_sqr_recursive(rr->d, a->d, al, tmp->d);

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:950:37: Call
      948.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
      949.   {
      950.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                                 ^
      951.   }
      952.   

crypto/bn/bn_lib.c:245:1: Parameter `*b->d`
        243.    */
        244.   
        245. > BIGNUM *bn_expand2(BIGNUM *b, int words)
        246.   {
        247.       if (words > b->dmax) {

crypto/bn/bn_lib.c:248:23: Call
        246.   {
        247.       if (words > b->dmax) {
        248.           BN_ULONG *a = bn_expand_internal(b, words);
                                     ^
        249.           if (!a)
        250.               return NULL;

crypto/bn/bn_lib.c:209:1: <Offset trace>
207.   /* This is used by bn_expand2() */
208.   /* The caller MUST check that words > b->dmax before calling this */
209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
210.   {
211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: Parameter `b->top`
          207.   /* This is used by bn_expand2() */
          208.   /* The caller MUST check that words > b->dmax before calling this */
          209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
          210.   {
          211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: <Length trace>
207.   /* This is used by bn_expand2() */
208.   /* The caller MUST check that words > b->dmax before calling this */
209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
210.   {
211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: Parameter `*b->d`
          207.   /* This is used by bn_expand2() */
          208.   /* The caller MUST check that words > b->dmax before calling this */
          209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
          210.   {
          211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:232:9: Array access: Offset added: [8, +oo] Size: [0, +oo] by call to `BN_sqr` 
          230.       assert(b->top <= words);
          231.       if (b->top > 0)
          232.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          233.   
          234.       return a;
