From: <gregkh@linuxfoundation.org>
To: keescook@chromium.org, herbert@gondor.apana.org.au
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] crypto: nx - Fix memcpy() over-reading in nonce" failed to apply to 4.4-stable tree
Date: Sun, 11 Jul 2021 14:17:00 +0200 [thread overview]
Message-ID: <16260058201165@kroah.com> (raw)
The patch below does not apply to the 4.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 74c66120fda6596ad57f41e1607b3a5d51ca143d Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Wed, 16 Jun 2021 13:34:59 -0700
Subject: [PATCH] crypto: nx - Fix memcpy() over-reading in nonce
Fix typo in memcpy() where size should be CTR_RFC3686_NONCE_SIZE.
Fixes: 030f4e968741 ("crypto: nx - Fix reentrancy bugs")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/nx/nx-aes-ctr.c b/drivers/crypto/nx/nx-aes-ctr.c
index 13f518802343..6120e350ff71 100644
--- a/drivers/crypto/nx/nx-aes-ctr.c
+++ b/drivers/crypto/nx/nx-aes-ctr.c
@@ -118,7 +118,7 @@ static int ctr3686_aes_nx_crypt(struct skcipher_request *req)
struct nx_crypto_ctx *nx_ctx = crypto_skcipher_ctx(tfm);
u8 iv[16];
- memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_IV_SIZE);
+ memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_NONCE_SIZE);
memcpy(iv + CTR_RFC3686_NONCE_SIZE, req->iv, CTR_RFC3686_IV_SIZE);
iv[12] = iv[13] = iv[14] = 0;
iv[15] = 1;
reply other threads:[~2021-07-11 12:17 UTC|newest]
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