test/ecdsatest.c:181: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_dec2bn`.
Showing all 26 steps of the trace


test/ecdsatest.c:161:16: Call
159.       BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
160.       /* create the key */
161.       if ((key = EC_KEY_new_by_curve_name(nid)) == NULL)
                      ^
162.           goto x962_int_err;
163.       use_fake = 1;

crypto/ec/ec_key.c:32:18: Call
  30.       if (ret == NULL)
  31.           return NULL;
  32.       ret->group = EC_GROUP_new_by_curve_name(nid);
                         ^
  33.       if (ret->group == NULL) {
  34.           EC_KEY_free(ret);

crypto/ec/ec_curve.c:3095:19: Call
    3093.       for (i = 0; i < curve_list_length; i++)
    3094.           if (curve_list[i].nid == nid) {
    3095.               ret = ec_group_new_from_data(curve_list[i]);
                              ^
    3096.               break;
    3097.           }

crypto/ec/ec_curve.c:3008:14: Call
      3006.       params += seed_len;         /* skip seed */
      3007.   
      3008.       if ((p = BN_bin2bn(params + 0 * param_len, param_len, NULL)) == NULL
                           ^
      3009.           || (a = BN_bin2bn(params + 1 * param_len, param_len, NULL)) == NULL
      3010.           || (b = BN_bin2bn(params + 2 * param_len, param_len, NULL)) == NULL) {

crypto/bn/bn_lib.c:407:1: Parameter `ret->top`
        405.   }
        406.   
        407. > BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
        408.   {
        409.       unsigned int i, m;

test/ecdsatest.c:181:10: Call
179.       if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
180.           goto x962_int_err;
181.       if (!BN_dec2bn(&r, r_in) || !BN_dec2bn(&s, s_in))
                ^
182.           goto x962_int_err;
183.       ECDSA_SIG_get0(signature, &sig_r, &sig_s);

crypto/bn/bn_print.c:199:1: Parameter `(*bn)->top`
  197.   }
  198.   
  199. > int BN_dec2bn(BIGNUM **bn, const char *a)
  200.   {
  201.       BIGNUM *ret = NULL;

crypto/bn/bn_print.c:232:9: Call
  230.       } else {
  231.           ret = *bn;
  232.           BN_zero(ret);
                 ^
  233.       }
  234.   

crypto/bn/bn_lib.c:395:1: Parameter `a->top`
    393.   }
    394.   
    395. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    396.   {
    397.       bn_check_top(a);

crypto/bn/bn_lib.c:398:9: Call
    396.   {
    397.       bn_check_top(a);
    398.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                   ^
    399.           return (0);
    400.       a->neg = 0;

crypto/bn/bn_lcl.h:660:1: Parameter `a->top`
      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/bn/bn_lcl.h:668:12: Call
      666.           return a;
      667.   
      668.       return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
                        ^
      669.   }
      670.   

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:186:1: Parameter `num`
            184.   }
            185.   
            186. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
            187.   {
            188.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:188:17: Call
            186.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
            187.   {
            188.       void *ret = CRYPTO_malloc(num, file, line);
                                   ^
            189.   
            190.       FAILTEST();

crypto/mem.c:166:9: Assignment
              164.   
              165.       if (num == 0)
              166.           return NULL;
                             ^
              167.   
              168.       FAILTEST();

crypto/mem.c:188:5: Assignment
            186.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
            187.   {
            188.       void *ret = CRYPTO_malloc(num, file, line);
                       ^
            189.   
            190.       FAILTEST();

crypto/mem.c:193:5: Assignment
            191.       if (ret != NULL)
            192.           memset(ret, 0, num);
            193.       return ret;
                       ^
            194.   }
            195.   

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_dec2bn` 
          269.       assert(b->top <= words);
          270.       if (b->top > 0)
          271.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          272.   
          273.       return a;
