crypto/sm2/sm2_sign.c:237: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_mod_add`.
Showing all 26 steps of the trace


crypto/sm2/sm2_sign.c:234:14: Call
232.           }
233.   
234.           if (!EC_POINT_mul(group, kG, k, NULL, NULL, ctx)
                    ^
235.                   || !EC_POINT_get_affine_coordinates(group, kG, x1, NULL,
236.                                                       ctx)

crypto/ec/ec_lib.c:962:12: Call
  960.       scalars[0] = p_scalar;
  961.   
  962.       return EC_POINTs_mul(group, r, g_scalar,
                    ^
  963.                            (point != NULL
  964.                             && p_scalar != NULL), points, scalars, ctx);

crypto/ec/ec_lib.c:913:1: Parameter `r->Z->top`
    911.    */
    912.   
    913. > int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
    914.                     size_t num, const EC_POINT *points[],
    915.                     const BIGNUM *scalars[], BN_CTX *ctx)

crypto/sm2/sm2_sign.c:237:21: Call
235.                   || !EC_POINT_get_affine_coordinates(group, kG, x1, NULL,
236.                                                       ctx)
237.                   || !BN_mod_add(r, e, x1, order, ctx)) {
                           ^
238.               SM2err(SM2_F_SM2_SIG_GEN, ERR_R_INTERNAL_ERROR);
239.               goto done;

crypto/bn/bn_mod.c:28:1: Parameter `r->top`
  26.   }
  27.   
  28. > int BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
  29.                  BN_CTX *ctx)
  30.   {

crypto/bn/bn_mod.c:31:10: Call
  29.                  BN_CTX *ctx)
  30.   {
  31.       if (!BN_add(r, a, b))
                 ^
  32.           return 0;
  33.       return BN_nnmod(r, r, m, ctx);

crypto/bn/bn_add.c:14:1: Parameter `r->top`
    12.   
    13.   /* signed add of b to a. */
    14. > int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
    15.   {
    16.       int ret, r_neg, cmp_res;

crypto/bn/bn_add.c:23:15: Call
    21.       if (a->neg == b->neg) {
    22.           r_neg = a->neg;
    23.           ret = BN_uadd(r, a, b);
                        ^
    24.       } else {
    25.           cmp_res = BN_ucmp(a, b);

crypto/bn/bn_add.c:76:1: Parameter `r->top`
      74.   
      75.   /* unsigned add of b to a, r can be equal to a or b. */
      76. > int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
      77.   {
      78.       int max, min, dif;

crypto/bn/bn_add.c:96:9: Call
      94.       dif = max - min;
      95.   
      96.       if (bn_wexpand(r, max + 1) == NULL)
                    ^
      97.           return 0;
      98.   

crypto/bn/bn_lib.c:962:1: Parameter `a->top`
        960.   }
        961.   
        962. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
        963.   {
        964.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:964:37: Call
        962.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
        963.   {
        964.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                                   ^
        965.   }
        966.   

crypto/bn/bn_lib.c:245:1: Parameter `b->top`
          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 `words`
            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:224:13: Call
            222.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
            223.       else
            224.           a = OPENSSL_zalloc(words * sizeof(*a));
                               ^
            225.       if (a == NULL) {
            226.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:228:1: Parameter `num`
              226.   }
              227.   
              228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
              229.   {
              230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:17: Call
              228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
              229.   {
              230.       void *ret = CRYPTO_malloc(num, file, line);
                                     ^
              231.   
              232.       FAILTEST();

crypto/mem.c:201:9: Assignment
                199.   
                200.       if (num == 0)
                201.           return NULL;
                               ^
                202.   
                203.       FAILTEST();

crypto/mem.c:230:5: Assignment
              228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
              229.   {
              230.       void *ret = CRYPTO_malloc(num, file, line);
                         ^
              231.   
              232.       FAILTEST();

crypto/mem.c:235:5: Assignment
              233.       if (ret != NULL)
              234.           memset(ret, 0, num);
              235.       return ret;
                         ^
              236.   }
              237.   

crypto/bn/bn_lib.c:224:9: Assignment
            222.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
            223.       else
            224.           a = OPENSSL_zalloc(words * sizeof(*a));
                           ^
            225.       if (a == NULL) {
            226.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:232:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_mod_add` 
            230.       assert(b->top <= words);
            231.       if (b->top > 0)
            232.           memcpy(a, b->d, sizeof(*a) * b->top);
                           ^
            233.   
            234.       return a;
