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authorMahmoud Adam <mngyadam@amazon.com>2023-07-17 12:55:09 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2023-07-28 18:20:25 +0800
commit9f3fa6bc4ff8515da1349c44a77e7327bd2f4788 (patch)
tree8469daabfca0535a9e19805022aeb74687450978 /crypto
parente22471c2331c984ba48e89acd00d0ba1f60a3ea7 (diff)
KEYS: use kfree_sensitive with key
key might contain private part of the key, so better use kfree_sensitive to free it Signed-off-by: Mahmoud Adam <mngyadam@amazon.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/asymmetric_keys/public_key.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index 773e159dbbcb..abeecb8329b3 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -42,7 +42,7 @@ static void public_key_describe(const struct key *asymmetric_key,
void public_key_free(struct public_key *key)
{
if (key) {
- kfree(key->key);
+ kfree_sensitive(key->key);
kfree(key->params);
kfree(key);
}
@@ -263,7 +263,7 @@ error_free_tfm:
else
crypto_free_akcipher(tfm);
error_free_key:
- kfree(key);
+ kfree_sensitive(key);
pr_devel("<==%s() = %d\n", __func__, ret);
return ret;
}
@@ -369,7 +369,7 @@ error_free_tfm:
else
crypto_free_akcipher(tfm);
error_free_key:
- kfree(key);
+ kfree_sensitive(key);
pr_devel("<==%s() = %d\n", __func__, ret);
return ret;
}
@@ -441,7 +441,7 @@ int public_key_verify_signature(const struct public_key *pkey,
sig->digest, sig->digest_size);
error_free_key:
- kfree(key);
+ kfree_sensitive(key);
error_free_tfm:
crypto_free_sig(tfm);
pr_devel("<==%s() = %d\n", __func__, ret);