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Message-Id: <20230717094533.18418-1-machel@vivo.com>
Date: Mon, 17 Jul 2023 17:45:19 +0800
From: Wang Ming <machel@...o.com>
To: Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>,
Heiko Carstens <hca@...ux.ibm.com>,
Vasily Gorbik <gor@...ux.ibm.com>,
Alexander Gordeev <agordeev@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ux.ibm.com>,
Sven Schnelle <svens@...ux.ibm.com>,
linux-crypto@...r.kernel.org, linux-s390@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com, Wang Ming <machel@...o.com>
Subject: [PATCH v1] arch: s390: Use kfree_sensitive instead of kfree
key might contain private part of the key, so better use
kfree_sensitive to free it.
Signed-off-by: Wang Ming <machel@...o.com>
---
arch/s390/crypto/paes_s390.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c
index d29a9d908797..38349150c96e 100644
--- a/arch/s390/crypto/paes_s390.c
+++ b/arch/s390/crypto/paes_s390.c
@@ -103,7 +103,7 @@ static inline void _free_kb_keybuf(struct key_blob *kb)
{
if (kb->key && kb->key != kb->keybuf
&& kb->keylen > sizeof(kb->keybuf)) {
- kfree(kb->key);
+ kfree_sensitive(kb->key);
kb->key = NULL;
}
}
--
2.25.1
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