From fa93f2d531e73c45da8dccbe6a277f6905b0b542 Mon Sep 17 00:00:00 2001
From: Paul Zimmermann <Paul.Zimmermann@inria.fr>
Date: Sat, 22 Jun 2024 08:13:00 +0200
Subject: [PATCH] fixed double free
---
parametrizations.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/parametrizations.c b/parametrizations.c
index d8f458ca..7b15e8c5 100644
--- a/parametrizations.c
+++ b/parametrizations.c
@@ -165,7 +165,7 @@ get_curve_from_param0 (mpz_t f, mpres_t A, mpres_t x, mpz_t sigma, mpmod_t n)
mpres_t t, u, v, b, z;
mpz_t tmp;
int ret = ECM_NO_FACTOR_FOUND;
-
+
mpres_init (t, n);
mpres_init (u, n);
mpres_init (v, n);
@@ -205,12 +205,6 @@ get_curve_from_param0 (mpz_t f, mpres_t A, mpres_t x, mpz_t sigma, mpmod_t n)
if (!mpres_invert (u, v, n)) /* u = (b*z)^(-1) (mod n) */
{
mpres_gcd (f, v, n);
- mpres_clear (t, n);
- mpres_clear (u, n);
- mpres_clear (v, n);
- mpres_clear (b, n);
- mpres_clear (z, n);
- mpz_clear (tmp);
if (mpz_cmp (f, n->orig_modulus) == 0)
ret = ECM_ERROR;
else
--
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