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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the request_complete helpers instead of calling the completion
function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the akcipher_request_complete helper instead of calling the
completion function directly. In fact the previous code was buggy
in that EINPROGRESS was never passed back to the original caller.
Fixes: 3d5b1ecdea6f ("crypto: rsa - RSA padding algorithm")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the crypto_request_complete helper instead of calling the
completion function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the crypto_request_complete helper instead of calling the
completion function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the crypto_request_complete helper instead of calling the
completion function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the crypto_request_complete helper instead of calling the
completion function directly.
This patch also removes the voodoo programming previously used
for unaligned ahash operations and replaces it with a sub-request.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the crypto_request_complete helper instead of calling the
completion function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the crypto_request_complete helper instead of calling the
completion function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the crypto_request_complete helper instead of calling the
completion function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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AEAD reuses the existing request object for its child. This is
error-prone and unnecessary. This patch adds a subrequest object
just like we do for skcipher and hash.
This patch also restores the original completion function as we
do for skcipher/hash.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replaces the custom crypto completion function with
crypto_req_done.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The crypto_async_request passed to the completion is not guaranteed
to be the original request object. Only the data field can be relied
upon.
Fix this by storing the socket pointer with the AEAD request.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds temporary scaffolding so that the Crypto API
completion function can take a void * instead of crypto_async_request.
Once affected users have been converted this can be removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds temporary scaffolding so that the Crypto API
completion function can take a void * instead of crypto_async_request.
Once affected users have been converted this can be removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds temporary scaffolding so that the Crypto API
completion function can take a void * instead of crypto_async_request.
Once affected users have been converted this can be removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replaces the custom crypto completion function with
crypto_req_done.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replaces the custom crypto completion function with
crypto_req_done.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds temporary scaffolding so that the Crypto API
completion function can take a void * instead of crypto_async_request.
Once affected users have been converted this can be removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds temporary scaffolding so that the Crypto API
completion function can take a void * instead of crypto_async_request.
Once affected users have been converted this can be removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The crypto completion function currently takes a pointer to a
struct crypto_async_request object. However, in reality the API
does not allow the use of any part of the object apart from the
data field. For example, ahash/shash will create a fake object
on the stack to pass along a different data field.
This leads to potential bugs where the user may try to dereference
or otherwise use the crypto_async_request object.
This patch adds some temporary scaffolding so that the completion
function can take a void * instead. Once affected users have been
converted this can be removed.
The helper crypto_request_complete will remain even after the
conversion is complete. It should be used instead of calling
the completion function directly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There is no need to use GFP_ATOMIC here. GFP_KERNEL is already used for
another memory allocation just the line after.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes following warnings:
1. sparse: incorrect type in assignment (different base types)
Fix: change to __le32 type.
2. sparse: cast removes address space '__iomem' of expression
Fix: use readb to avoid dereferencing the memory.
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This type of request is often happened in AF_ALG cases.
So add this vector in default cipher config array.
Signed-off-by: Zhang Yiqun <zhangyiqun@phytium.com.cn>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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An often overlooked aspect of the skcipher walker API is that an
error is not just indicated by a non-zero return value, but by the
fact that walk->nbytes is zero.
Thus it is an error to call skcipher_walk_done after getting back
walk->nbytes == 0 from the previous interaction with the walker.
This is because when walk->nbytes is zero the walker is left in
an undefined state and any further calls to it may try to free
uninitialised stack memory.
The sm4 arm64 ccm code gets this wrong and ends up calling
skcipher_walk_done even when walk->nbytes is zero.
This patch rewrites the loop in a form that resembles other callers.
Reported-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Fixes: ae1b83c7d572 ("crypto: arm64/sm4 - add CE implementation for GCM mode")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The functions qat_crypto_get_instance_node() and
qat_compression_get_instance_node() allow to get a QAT instance (ring
pair) on a device close to the node specified as input parameter.
When this is not possible, and a QAT device is available in the system,
these function return an instance on a remote node and they print a
message reporting that it is not possible to find a device on the specified
node. This is interpreted by people as an error rather than an info.
The print "Could not find a device on node" indicates that a kernel
application is running on a core in a socket that does not have a QAT
device directly attached to it and performance might suffer.
Due to the nature of the message, this can be considered as a debug
message, therefore drop the severity to debug and report it only once
to avoid flooding.
Suggested-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Vladis Dronov <vdronov@redhat.com>
Tested-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When preparing an AER-CTR request, the driver copies the key provided by
the user into a data structure that is accessible by the firmware.
If the target device is QAT GEN4, the key size is rounded up by 16 since
a rounded up size is expected by the device.
If the key size is rounded up before the copy, the size used for copying
the key might be bigger than the size of the region containing the key,
causing an out-of-bounds read.
Fix by doing the copy first and then update the keylen.
This is to fix the following warning reported by KASAN:
[ 138.150574] BUG: KASAN: global-out-of-bounds in qat_alg_skcipher_init_com.isra.0+0x197/0x250 [intel_qat]
[ 138.150641] Read of size 32 at addr ffffffff88c402c0 by task cryptomgr_test/2340
[ 138.150651] CPU: 15 PID: 2340 Comm: cryptomgr_test Not tainted 6.2.0-rc1+ #45
[ 138.150659] Hardware name: Intel Corporation ArcherCity/ArcherCity, BIOS EGSDCRB1.86B.0087.D13.2208261706 08/26/2022
[ 138.150663] Call Trace:
[ 138.150668] <TASK>
[ 138.150922] kasan_check_range+0x13a/0x1c0
[ 138.150931] memcpy+0x1f/0x60
[ 138.150940] qat_alg_skcipher_init_com.isra.0+0x197/0x250 [intel_qat]
[ 138.151006] qat_alg_skcipher_init_sessions+0xc1/0x240 [intel_qat]
[ 138.151073] crypto_skcipher_setkey+0x82/0x160
[ 138.151085] ? prepare_keybuf+0xa2/0xd0
[ 138.151095] test_skcipher_vec_cfg+0x2b8/0x800
Fixes: 67916c951689 ("crypto: qat - add AES-CTR support for QAT GEN4 devices")
Cc: <stable@vger.kernel.org>
Reported-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Vladis Dronov <vdronov@redhat.com>
Tested-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The fact that an error in the skcipher walker API are indicated
not only by a non-zero return value, but also by the fact that
walk->nbytes is zero, causes the layout of the skcipher walker
loop to be sufficiently different from the usual layout, which
is not a problem in itself, but it is likely to cause reading
confusion and difficulty in code maintenance.
This patch rewrites skcipher walker loop, and separates the
last chunk cryption from the loop to avoid wrong calls to the
skcipher walker API. In addition to following the usual convention
of checking walk->nbytes, it also makes the loop execute logic
clearer and easier to understand.
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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id is unused in atmel_i2c_probe() and the callers have extra efforts to
determine the right parameter. So drop the parameter simplifying both
atmel_i2c_probe() and its callers.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replaces the custom crypto completion function with
crypto_req_done.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Now that we use the ECB/CBC macros, none of the asm functions in
blowfish-x86_64 are called indirectly. So we can safely use
SYM_FUNC_START instead of SYM_TYPED_FUNC_START with no effect, allowing
us to remove an include.
Signed-off-by: Peter Lafreniere <peter@n8pjl.ca>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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We can simplify the blowfish-x86_64 glue code by using the preexisting
ECB/CBC helper macros. Additionally, this allows for easier reuse of asm
functions in later x86 implementations of blowfish.
This involves:
1 - Modifying blowfish_dec_blk_4way() to xor outputs when a flag is
passed.
2 - Renaming blowfish_dec_blk_4way() to __blowfish_dec_blk_4way().
3 - Creating two wrapper functions around __blowfish_dec_blk_4way() for
use in the ECB/CBC macros.
4 - Removing the custom ecb_encrypt() and cbc_encrypt() routines in
favor of macro-based routines.
Signed-off-by: Peter Lafreniere <peter@n8pjl.ca>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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