crypto/ec/ecp_smpl.c:284: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, +oo] by call to `BN_mod_sqr`.
Showing all 19 steps of the trace


crypto/ec/ecp_smpl.c:255:9: Call
253.       }
254.       BN_CTX_start(ctx);
255.       a = BN_CTX_get(ctx);
               ^
256.       b = BN_CTX_get(ctx);
257.       tmp_1 = 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:358:1: Parameter `*a->d`
    356.   }
    357.   
    358. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    359.   {
    360.       bn_check_top(a);

crypto/bn/bn_lib.c:361:9: Call
    359.   {
    360.       bn_check_top(a);
    361.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                   ^
    362.           return 0;
    363.       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/ec/ecp_smpl.c:284:14: Call
282.               goto err;
283.       } else if (!BN_is_zero(b)) {
284.           if (!BN_mod_sqr(tmp_1, a, p, ctx))
                    ^
285.               goto err;
286.           if (!BN_mod_mul(tmp_2, tmp_1, a, p, ctx))

crypto/bn/bn_mod.c:102:1: Parameter `*r->d`
  100.   }
  101.   
  102. > int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx)
  103.   {
  104.       if (!BN_sqr(r, a, ctx))

crypto/bn/bn_mod.c:104:10: Call
  102.   int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx)
  103.   {
  104.       if (!BN_sqr(r, a, ctx))
                  ^
  105.           return 0;
  106.       /* r->neg == 0,  thus we don't need BN_nnmod */

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:942:1: Parameter `*a->d`
      940.   }
      941.   
      942. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
      943.   {
      944.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:944:37: Call
      942.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
      943.   {
      944.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                                 ^
      945.   }
      946.   

crypto/bn/bn_lib.c:244:1: Parameter `*b->d`
        242.    */
        243.   
        244. > BIGNUM *bn_expand2(BIGNUM *b, int words)
        245.   {
        246.       if (words > b->dmax) {

crypto/bn/bn_lib.c:247:23: Call
        245.   {
        246.       if (words > b->dmax) {
        247.           BN_ULONG *a = bn_expand_internal(b, words);
                                     ^
        248.           if (!a)
        249.               return NULL;

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

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

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

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

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