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authorLinus Torvalds <torvalds@linux-foundation.org>2023-06-30 21:27:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-06-30 21:27:13 -0700
commit5d95ff84e62be914b4a4dabfa814e4096b05b1b0 (patch)
treef2d79d562971025b29deab50bb06e3b865f185b3 /drivers/md/dm-crypt.c
parentd85a143b69abb4d7544227e26d12c4c7735ab27d (diff)
parent486bfb05913ac9969a3a71a4dc48f17f31cb162d (diff)
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Merge tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Add linear akcipher/sig API - Add tfm cloning (hmac, cmac) - Add statesize to crypto_ahash Algorithms: - Allow only odd e and restrict value in FIPS mode for RSA - Replace LFSR with SHA3-256 in jitter - Add interface for gathering of raw entropy in jitter Drivers: - Fix race on data_avail and actual data in hwrng/virtio - Add hash and HMAC support in starfive - Add RSA algo support in starfive - Add support for PCI device 0x156E in ccp" * tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (85 commits) crypto: akcipher - Do not copy dst if it is NULL crypto: sig - Fix verify call crypto: akcipher - Set request tfm on sync path crypto: sm2 - Provide sm2_compute_z_digest when sm2 is disabled hwrng: imx-rngc - switch to DEFINE_SIMPLE_DEV_PM_OPS hwrng: st - keep clock enabled while hwrng is registered hwrng: st - support compile-testing hwrng: imx-rngc - fix the timeout for init and self check KEYS: asymmetric: Use new crypto interface without scatterlists KEYS: asymmetric: Move sm2 code into x509_public_key KEYS: Add forward declaration in asymmetric-parser.h crypto: sig - Add interface for sign/verify crypto: akcipher - Add sync interface without SG lists crypto: cipher - On clone do crypto_mod_get() crypto: api - Add __crypto_alloc_tfmgfp crypto: api - Remove crypto_init_ops() crypto: rsa - allow only odd e and restrict value in FIPS mode crypto: geniv - Split geniv out of AEAD Kconfig option crypto: algboss - Add missing dependency on RNG2 crypto: starfive - Add RSA algo support ...
Diffstat (limited to 'drivers/md/dm-crypt.c')
-rw-r--r--drivers/md/dm-crypt.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 27f4aa8d10bd..1dc6227d353e 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -31,10 +31,10 @@
#include <asm/unaligned.h>
#include <crypto/hash.h>
#include <crypto/md5.h>
-#include <crypto/algapi.h>
#include <crypto/skcipher.h>
#include <crypto/aead.h>
#include <crypto/authenc.h>
+#include <crypto/utils.h>
#include <linux/rtnetlink.h> /* for struct rtattr and RTA macros only */
#include <linux/key-type.h>
#include <keys/user-type.h>
@@ -745,16 +745,23 @@ static int crypt_iv_eboiv_ctr(struct crypt_config *cc, struct dm_target *ti,
static int crypt_iv_eboiv_gen(struct crypt_config *cc, u8 *iv,
struct dm_crypt_request *dmreq)
{
- u8 buf[MAX_CIPHER_BLOCKSIZE] __aligned(__alignof__(__le64));
+ struct crypto_skcipher *tfm = any_tfm(cc);
struct skcipher_request *req;
struct scatterlist src, dst;
DECLARE_CRYPTO_WAIT(wait);
+ unsigned int reqsize;
int err;
+ u8 *buf;
- req = skcipher_request_alloc(any_tfm(cc), GFP_NOIO);
+ reqsize = ALIGN(crypto_skcipher_reqsize(tfm), __alignof__(__le64));
+
+ req = kmalloc(reqsize + cc->iv_size, GFP_NOIO);
if (!req)
return -ENOMEM;
+ skcipher_request_set_tfm(req, tfm);
+
+ buf = (u8 *)req + reqsize;
memset(buf, 0, cc->iv_size);
*(__le64 *)buf = cpu_to_le64(dmreq->iv_sector * cc->sector_size);
@@ -763,7 +770,7 @@ static int crypt_iv_eboiv_gen(struct crypt_config *cc, u8 *iv,
skcipher_request_set_crypt(req, &src, &dst, cc->iv_size, buf);
skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
err = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
- skcipher_request_free(req);
+ kfree_sensitive(req);
return err;
}