crypto/ec/ecp_nistz256.c:635: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_nnmod`.
Showing all 19 steps of the trace


crypto/ec/ecp_nistz256.c:635:18: Call
633.               if ((mod = BN_CTX_get(ctx)) == NULL)
634.                   goto err;
635.               if (!BN_nnmod(mod, scalar[i], group->order, ctx)) {
                        ^
636.                   ECerr(EC_F_ECP_NISTZ256_WINDOWED_MUL, ERR_R_BN_LIB);
637.                   goto err;

crypto/bn/bn_mod.c:20:11: Call
  18.        */
  19.   
  20.       if (!(BN_mod(r, m, d, ctx)))
                  ^
  21.           return 0;
  22.       if (!r->neg)

crypto/bn/bn_div.c:140:1: Parameter `rm->top`
    138.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
    139.    */
    140. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
    141.              BN_CTX *ctx)
    142.   {

crypto/ec/ecp_nistz256.c:635:18: Call
633.               if ((mod = BN_CTX_get(ctx)) == NULL)
634.                   goto err;
635.               if (!BN_nnmod(mod, scalar[i], group->order, ctx)) {
                        ^
636.                   ECerr(EC_F_ECP_NISTZ256_WINDOWED_MUL, ERR_R_BN_LIB);
637.                   goto err;

crypto/bn/bn_mod.c:13:1: Parameter `*r->d`
  11.   #include "bn_lcl.h"
  12.   
  13. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
  14.   {
  15.       /*

crypto/bn/bn_mod.c:20:11: Call
  18.        */
  19.   
  20.       if (!(BN_mod(r, m, d, ctx)))
                  ^
  21.           return 0;
  22.       if (!r->neg)

crypto/bn/bn_div.c:140:1: Parameter `*rm->d`
    138.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
    139.    */
    140. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
    141.              BN_CTX *ctx)
    142.   {

crypto/bn/bn_div.c:185:17: Call
    183.       if (!no_branch && BN_ucmp(num, divisor) < 0) {
    184.           if (rm != NULL) {
    185.               if (BN_copy(rm, num) == NULL)
                           ^
    186.                   return (0);
    187.           }

crypto/bn/bn_lib.c:323:1: Parameter `*a->d`
      321.   }
      322.   
      323. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
      324.   {
      325.       bn_check_top(b);

crypto/bn/bn_lib.c:329:9: Call
      327.       if (a == b)
      328.           return a;
      329.       if (bn_wexpand(a, b->top) == NULL)
                     ^
      330.           return NULL;
      331.   

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, 536870848] by call to `BN_nnmod` 
            269.       assert(b->top <= words);
            270.       if (b->top > 0)
            271.           memcpy(a, b->d, sizeof(*a) * b->top);
                           ^
            272.   
            273.       return a;
