crypto/ec/ec_curve.c:3041: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_set_word`.
Showing all 21 steps of the trace


crypto/ec/ec_curve.c:2995:14: Call
2993.       params += seed_len;         /* skip seed */
2994.   
2995.       if ((p = BN_bin2bn(params + 0 * param_len, param_len, NULL)) == NULL
                     ^
2996.           || (a = BN_bin2bn(params + 1 * param_len, param_len, NULL)) == NULL
2997.           || (b = BN_bin2bn(params + 2 * param_len, param_len, NULL)) == NULL) {

crypto/bn/bn_lib.c:427:9: Assignment
  425.       n = len;
  426.       if (n == 0) {
  427.           ret->top = 0;
                 ^
  428.           return (ret);
  429.       }

crypto/ec/ec_curve.c:3041:13: Call
3039.       }
3040.       if ((order = BN_bin2bn(params + 5 * param_len, param_len, NULL)) == NULL
3041.           || !BN_set_word(x, (BN_ULONG)data->cofactor)) {
                    ^
3042.           ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_BN_LIB);
3043.           goto err;

crypto/bn/bn_lib.c:398:1: Parameter `a->top`
  396.   }
  397.   
  398. > int BN_set_word(BIGNUM *a, BN_ULONG w)
  399.   {
  400.       bn_check_top(a);

crypto/bn/bn_lib.c:401:9: Call
  399.   {
  400.       bn_check_top(a);
  401.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                 ^
  402.           return (0);
  403.       a->neg = 0;

crypto/bn/bn_lcl.h:658:1: Parameter `a->top`
    656.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
    657.   
    658. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
    659.   {
    660.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/bn/bn_lcl.h:666:12: Call
    664.           return a;
    665.   
    666.       return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
                      ^
    667.   }
    668.   

crypto/bn/bn_lib.c:284:1: Parameter `b->top`
      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 `words`
        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:263:13: Call
        261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        262.       else
        263.           a = OPENSSL_zalloc(words * sizeof(*a));
                           ^
        264.       if (a == NULL) {
        265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:198:1: Parameter `num`
          196.   }
          197.   
          198. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
          199.   {
          200.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:200:17: Call
          198.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
          199.   {
          200.       void *ret = CRYPTO_malloc(num, file, line);
                                 ^
          201.   
          202.       FAILTEST();

crypto/mem.c:178:9: Assignment
            176.   
            177.       if (num == 0)
            178.           return NULL;
                           ^
            179.   
            180.       FAILTEST();

crypto/mem.c:200:5: Assignment
          198.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
          199.   {
          200.       void *ret = CRYPTO_malloc(num, file, line);
                     ^
          201.   
          202.       FAILTEST();

crypto/mem.c:205:5: Assignment
          203.       if (ret != NULL)
          204.           memset(ret, 0, num);
          205.       return ret;
                     ^
          206.   }
          207.   

crypto/bn/bn_lib.c:263:9: Assignment
        261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        262.       else
        263.           a = OPENSSL_zalloc(words * sizeof(*a));
                       ^
        264.       if (a == NULL) {
        265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:271:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_set_word` 
        269.       assert(b->top <= words);
        270.       if (b->top > 0)
        271.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        272.   
        273.       return a;
