crypto/bn/bn_recp.c:66: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, +oo] by call to `BN_sqr`.
Showing all 19 steps of the trace


crypto/bn/bn_recp.c:62:14: Call
60.   
61.       BN_CTX_start(ctx);
62.       if ((a = BN_CTX_get(ctx)) == NULL)
                   ^
63.           goto err;
64.       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: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_recp.c:66:18: Call
64.       if (y != NULL) {
65.           if (x == y) {
66.               if (!BN_sqr(a, x, ctx))
                       ^
67.                   goto err;
68.           } 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 max, al;

crypto/bn/bn_sqr.c:39:9: Call
  37.   
  38.       max = 2 * al;               /* Non-zero (from above) */
  39.       if (bn_wexpand(rr, max) == NULL)
                ^
  40.           goto err;
  41.   

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:68:21: Call
  66.               k = j + j;
  67.               if (al == j) {
  68.                   if (bn_wexpand(tmp, k * 2) == NULL)
                            ^
  69.                       goto err;
  70.                   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:284:1: Parameter `*b->d`
      282.    */
      283.   
      284. > BIGNUM *bn_expand2(BIGNUM *b, int words)
      285.   {
      286.       bn_check_top(b);

crypto/bn/bn_lib.c:289:23: Call
      287.   
      288.       if (words > b->dmax) {
      289.           BN_ULONG *a = bn_expand_internal(b, words);
                                   ^
      290.           if (!a)
      291.               return NULL;

crypto/bn/bn_lib.c:246:1: <Offset trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `b->top`
        244.   /* This is used by bn_expand2() */
        245.   /* The caller MUST check that words > b->dmax before calling this */
        246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
        247.   {
        248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: <Length trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `*b->d`
        244.   /* This is used by bn_expand2() */
        245.   /* The caller MUST check that words > b->dmax before calling this */
        246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
        247.   {
        248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:271:9: Array access: Offset added: [8, +oo] Size: [0, +oo] by call to `BN_sqr` 
        269.       assert(b->top <= words);
        270.       if (b->top > 0)
        271.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        272.   
        273.       return a;
