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Roberto Sassu c3d03e8e35 KEYS: asymmetric: Copy sig and digest in public_key_verify_signature() 
Commit ac4e97abce ("scatterlist: sg_set_buf() argument must be in linear
mapping") checks that both the signature and the digest reside in the
linear mapping area.

However, more recently commit ba14a194a4 ("fork: Add generic vmalloced
stack support") made it possible to move the stack in the vmalloc area,
which is not contiguous, and thus not suitable for sg_set_buf() which needs
adjacent pages.

Always make a copy of the signature and digest in the same buffer used to
store the key and its parameters, and pass them to sg_init_one(). Prefer it
to conditionally doing the copy if necessary, to keep the code simple. The
buffer allocated with kmalloc() is in the linear mapping area.

Cc: stable@vger.kernel.org # 4.9.x
Fixes: ba14a194a4 ("fork: Add generic vmalloced stack support")
Link: https://lore.kernel.org/linux-integrity/Y4pIpxbjBdajymBJ@sol.localdomain/
Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
 		2023-06-02 15:36:23 +02:00
..
asymmetric_keys KEYS: asymmetric: Copy sig and digest in public_key_verify_signature() 2023-06-02 15:36:23 +02:00
async_tx async_tx: fix kernel-doc notation warnings 2023-03-24 18:22:28 +08:00
842.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
Kconfig LoongArch: crypto: Add crc32 and crc32c hw acceleration 2023-05-01 17:19:43 +08:00
Makefile crypto: move gf128mul library into lib/crypto 2022-11-11 18:14:59 +08:00
acompress.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
adiantum.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
aead.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
aegis.h crypto: aegis128 - Move simd prototypes into aegis.h 2021-03-19 21:59:45 +11:00
aegis128-core.c crypto: aegis128 - Move simd prototypes into aegis.h 2021-03-19 21:59:45 +11:00
aegis128-neon-inner.c crypto: aegis128/neon - move final tag check to SIMD domain 2020-11-27 17:13:40 +11:00
aegis128-neon.c crypto: aegis128 - Move simd prototypes into aegis.h 2021-03-19 21:59:45 +11:00
aes_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
aes_ti.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
af_alg.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
ahash.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
akcipher.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
algapi.c crypto: engine - fix crypto_queue backlog handling 2023-04-28 17:50:43 +08:00
algboss.c crypto: algboss - compile out test-related code when tests disabled 2022-11-25 17:39:18 +08:00
algif_aead.c crypto: algif_aead - Do not set MAY_BACKLOG on the async path 2020-08-21 14:45:27 +10:00
algif_hash.c crypto: algif_hash - Allocate hash state with kmalloc 2023-04-06 16:18:53 +08:00
algif_rng.c crypto: af_alg - add extra parameters for DRBG interface 2020-09-25 17:48:52 +10:00
algif_skcipher.c crypto: algif_skcipher - EBUSY on aio should be an error 2020-08-21 14:45:26 +10:00
ansi_cprng.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
anubis.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
api.c crypto: api - Add crypto_clone_tfm 2023-04-20 18:20:04 +08:00
arc4.c crypto: arc4 - mark ecb(arc4) skcipher as obsolete 2020-09-11 14:39:16 +10:00
aria_generic.c crypto: x86/aria - do not use magic number offsets of aria_ctx 2023-01-06 17:15:47 +08:00
authenc.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
authencesn.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
blake2b_generic.c crypto: blake2b - update file comment 2021-01-03 08:41:39 +11:00
blowfish_common.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
blowfish_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
camellia_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
cast5_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
cast6_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
cast_common.c
…
cbc.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
ccm.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
cfb.c crypto: cleanup comments 2022-03-03 10:49:20 +12:00
chacha20poly1305.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
chacha_generic.c crypto: chacha_generic - remove unnecessary setkey() functions 2019-11-22 18:48:39 +08:00
cipher.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
cmac.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
compress.c crypto: compress - remove crt_u.compress (struct compress_tfm) 2019-12-11 16:37:01 +08:00
compress.h crypto: acomp - Count error stats differently 2023-03-14 17:06:42 +08:00
crc32_generic.c crypto: crc32-generic - Use SPDX-License-Identifier 2021-04-16 21:24:27 +10:00
crc32c_generic.c crypto: crc32c_generic - delete and fix duplicated words 2020-08-21 14:45:25 +10:00
crc64_rocksoft_generic.c crypto: add rocksoft 64b crc guard tag framework 2022-03-07 12:48:35 -07:00
crct10dif_common.c
…
crct10dif_generic.c crypto: crct10dif_generic - fix duplicated words 2020-08-21 14:45:25 +10:00
cryptd.c crypto: cryptd - Add support for cloning hashes 2023-04-20 18:20:04 +08:00
crypto_engine.c crypto: engine - fix crypto_queue backlog handling 2023-04-28 17:50:43 +08:00
crypto_null.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
crypto_user_base.c crypto: algapi - make unregistration functions return void 2019-12-20 14:58:35 +08:00
crypto_user_stat.c crypto: rng - Count error stats differently 2023-03-14 17:06:42 +08:00
ctr.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
cts.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
curve25519-generic.c crypto: add __init/__exit annotations to init/exit funcs 2022-09-24 16:14:43 +08:00
deflate.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
des_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
dh.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
dh_helper.c crypto: dh - split out deserialization code from crypto_dh_decode() 2022-03-03 10:47:50 +12:00
drbg.c crypto: drbg - Only fail when jent is unavailable in FIPS mode 2023-04-06 16:18:53 +08:00
ecb.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
ecc.c crypto: ecc - Silence sparse warning 2023-02-14 13:39:33 +08:00
ecc_curve_defs.h Merge branch 'ecc' 2021-03-26 19:55:55 +11:00
ecdh.c crypto: add __init/__exit annotations to init/exit funcs 2022-09-24 16:14:43 +08:00
ecdh_helper.c crypto: ecdh - move curve_id of ECDH from the key to algorithm name 2021-03-13 00:04:03 +11:00
ecdsa.c crypto: add __init/__exit annotations to init/exit funcs 2022-09-24 16:14:43 +08:00
ecdsasignature.asn1 crypto: ecdsa - Add support for ECDSA signature verification 2021-03-26 19:41:58 +11:00
echainiv.c crypto: geniv - remove unneeded arguments from aead_geniv_alloc() 2020-07-16 21:49:07 +10:00
ecrdsa.c crypto: ecrdsa - Fix incorrect use of vli_cmp 2022-04-29 13:44:58 +08:00
ecrdsa_defs.h crypto: ecc - Move ecc.h to include/crypto/internal 2021-10-29 21:04:03 +08:00
ecrdsa_params.asn1
…
ecrdsa_pub_key.asn1
…
essiv.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
fcrypt.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
fips.c crypto: fips - simplify one-level sysctl registration for crypto_sysctl_table 2023-03-17 11:16:44 +08:00
gcm.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
geniv.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
ghash-generic.c crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN 2020-01-09 11:30:53 +08:00
hash.h crypto: hash - Add crypto_clone_ahash/shash 2023-04-20 18:20:04 +08:00
hash_info.c crypto: rename sm3-256 to sm3 in hash_algo_name 2020-02-18 07:35:49 -05:00
hctr2.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
hmac.c crypto: hmac - Add support for cloning 2023-04-20 18:20:04 +08:00
internal.h crypto: api - Add crypto_clone_tfm 2023-04-20 18:20:04 +08:00
jitterentropy-kcapi.c crypto: jitter - permanent and intermittent health errors 2023-04-06 16:18:53 +08:00
jitterentropy.c crypto: jitter - permanent and intermittent health errors 2023-04-06 16:18:53 +08:00
jitterentropy.h crypto: jitter - permanent and intermittent health errors 2023-04-06 16:18:53 +08:00
kdf_sp800108.c crypto: kdf - silence noisy self-test 2022-11-25 17:39:18 +08:00
keywrap.c crypto: keywrap - Remove else after break statement 2021-04-02 18:28:13 +11:00
khazad.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
kpp.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
lrw.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
lz4.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lz4hc.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lzo-rle.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lzo.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
md4.c crypto: make all generic algorithms set cra_driver_name 2019-06-13 14:31:39 +08:00
md5.c crypto: md5 - remove unused macros 2020-02-28 08:43:21 +08:00
michael_mic.c crypto: michael_mic - fix broken misalignment handling 2021-02-10 17:55:55 +11:00
nhpoly1305.c crypto: poly1305 - add new 32 and 64-bit generic versions 2020-01-16 15:18:12 +08:00
ofb.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
pcbc.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
pcrypt.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
poly1305_generic.c crypto: poly1305 - add new 32 and 64-bit generic versions 2020-01-16 15:18:12 +08:00
polyval-generic.c crypto: x86/polyval - Add PCLMULQDQ accelerated implementation of POLYVAL 2022-06-10 16:40:17 +08:00
proc.c crypto: proc - Print fips status 2023-02-14 13:39:33 +08:00
ripemd.h crypto: rmd320 - remove RIPE-MD 320 hash algorithm 2021-01-29 16:07:04 +11:00
rmd160.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
rng.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
rsa-pkcs1pad.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
rsa.c crypto: add __init/__exit annotations to init/exit funcs 2022-09-24 16:14:43 +08:00
rsa_helper.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
rsaprivkey.asn1
…
rsapubkey.asn1
…
scatterwalk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
scompress.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
seed.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
seqiv.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
serpent_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
sha1_generic.c crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
sha3_generic.c crypto: Replace HTTP links with HTTPS ones 2020-07-23 17:34:20 +10:00
sha256_generic.c crypto: sha256 - remove duplicate generic hash init function 2021-12-31 18:10:54 +11:00
sha512_generic.c crypto: sha512 - remove imaginary and mystifying clearing of variables 2021-08-27 16:30:19 +08:00
shash.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
simd.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
skcipher.c crypto: api - Fix CRYPTO_USER checks for report function 2023-05-02 18:22:24 +08:00
sm2.c crypto: add __init/__exit annotations to init/exit funcs 2022-09-24 16:14:43 +08:00
sm2signature.asn1 crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithm 2020-09-25 17:48:54 +10:00
sm3.c crypto: sm3,sm4 - move into crypto directory 2022-04-08 16:11:48 +08:00
sm3_generic.c crypto: sm3 - make dependent on sm3 library 2022-01-28 16:51:11 +11:00
sm4.c crypto: sm4 - export sm4 constant arrays 2022-04-08 16:12:46 +08:00
sm4_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
streebog_generic.c crypto: streebog - remove two unused variables 2019-08-15 21:52:14 +10:00
tcrypt.c crypto: api - Move low-level functions into algapi.h 2023-04-14 18:59:34 +08:00
tcrypt.h crypto: tcrypt - include larger key sizes in RFC4106 benchmark 2023-01-20 18:29:31 +08:00
tea.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
testmgr.c crypto: testmgr - Add some test vectors for cmac(camellia) 2023-04-20 18:20:04 +08:00
testmgr.h crypto: testmgr - Add some test vectors for cmac(camellia) 2023-04-20 18:20:04 +08:00
twofish_common.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
twofish_generic.c crypto: Prepare to move crypto_tfm_ctx 2022-12-02 18:12:40 +08:00
vmac.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
wp512.c crypto: wp512 - disable kmsan checks in wp512_process_buffer() 2022-12-30 22:56:27 +08:00
xcbc.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
xctr.c crypto: xctr - Add XCTR support 2022-06-10 16:40:16 +08:00
xor.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-02-21 17:23:56 -08:00
xts.c crypto: api - Use data directly in completion function 2023-02-13 18:35:14 +08:00
xxhash_generic.c crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN 2020-01-09 11:30:53 +08:00
zstd.c lib: zstd: Add kernel-specific API 2021-11-08 16:55:21 -08:00