This is a note to let you know that I've just added the patch titled
crypto: rsa-pkcs1pad - Use helper to set reqsize
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
crypto-rsa-pkcs1pad-use-helper-to-set-reqsize.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5b11d1a360ea23c80c6d4ec3f5986a788d0a0995 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 22 Nov 2022 13:53:38 +0800
Subject: crypto: rsa-pkcs1pad - Use helper to set reqsize
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
commit 5b11d1a360ea23c80c6d4ec3f5986a788d0a0995 upstream.
The value of reqsize must only be changed through the helper.
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
crypto/rsa-pkcs1pad.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/crypto/rsa-pkcs1pad.c
+++ b/crypto/rsa-pkcs1pad.c
@@ -574,6 +574,10 @@ static int pkcs1pad_init_tfm(struct cryp
return PTR_ERR(child_tfm);
ctx->child = child_tfm;
+
+ akcipher_set_reqsize(tfm, sizeof(struct pkcs1pad_request) +
+ crypto_akcipher_reqsize(child_tfm));
+
return 0;
}
@@ -669,7 +673,6 @@ static int pkcs1pad_create(struct crypto
inst->alg.set_pub_key = pkcs1pad_set_pub_key;
inst->alg.set_priv_key = pkcs1pad_set_priv_key;
inst->alg.max_size = pkcs1pad_get_max_size;
- inst->alg.reqsize = sizeof(struct pkcs1pad_request) + rsa_alg->reqsize;
inst->free = pkcs1pad_free;
Patches currently in stable-queue which might be from herbert@xxxxxxxxxxxxxxxxxxx are
queue-5.15/crypto-rsa-pkcs1pad-use-helper-to-set-reqsize.patch
