test/ecdsatest.c:144: 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:127:10: Call
125.   
126.       /* create the key */
127.       if (!TEST_ptr(key = EC_KEY_new_by_curve_name(nid)))
                ^
128.           goto x962_int_err;
129.       use_fake = 1;

crypto/ec/ec_key.c:28:18: Call
  26.       if (ret == NULL)
  27.           return NULL;
  28.       ret->group = EC_GROUP_new_by_curve_name(nid);
                         ^
  29.       if (ret->group == NULL) {
  30.           EC_KEY_free(ret);

crypto/ec/ec_curve.c:3082:19: Call
    3080.       for (i = 0; i < curve_list_length; i++)
    3081.           if (curve_list[i].nid == nid) {
    3082.               ret = ec_group_new_from_data(curve_list[i]);
                              ^
    3083.               break;
    3084.           }

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:410:1: Parameter `ret->top`
        408.   }
        409.   
        410. > BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
        411.   {
        412.       unsigned int i, m;

test/ecdsatest.c:144:10: Call
142.       if (!TEST_ptr(r = BN_new()) || !TEST_ptr(s = BN_new()))
143.           goto x962_int_err;
144.       if (!TEST_true(BN_dec2bn(&r, r_in)) || !TEST_true(BN_dec2bn(&s, s_in)))
                ^
145.           goto x962_int_err;
146.       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: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_dec2bn` 
          269.       assert(b->top <= words);
          270.       if (b->top > 0)
          271.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          272.   
          273.       return a;
