crypto/ec/ecp_smpl.c:1237: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_copy`.
Showing all 19 steps of the trace


crypto/ec/ecp_smpl.c:1237:14: Call
1235.   
1236.       if (!BN_is_zero(points[0]->Z)) {
1237.           if (!BN_copy(prod_Z[0], points[0]->Z))
                     ^
1238.               goto err;
1239.       } else {

crypto/bn/bn_lib.c:280:1: Parameter `a->top`
  278.   }
  279.   
  280. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
  281.   {
  282.       bn_check_top(b);

crypto/bn/bn_lib.c:286:9: Call
  284.       if (a == b)
  285.           return a;
  286.       if (bn_wexpand(a, b->top) == NULL)
                 ^
  287.           return NULL;
  288.   

crypto/bn/bn_lib.c:942:1: Parameter `a->top`
    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->top`
      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 `words`
        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:223:13: Call
        221.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        222.       else
        223.           a = OPENSSL_zalloc(words * sizeof(*a));
                           ^
        224.       if (a == NULL) {
        225.           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:223:9: Assignment
        221.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        222.       else
        223.           a = OPENSSL_zalloc(words * sizeof(*a));
                       ^
        224.       if (a == NULL) {
        225.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

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