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linux/crypto
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Herbert Xu 7c4491b564 crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg 
commit 1b34cbbf4f011a121ef7b2d7d6e6920a036d5285 upstream.

Issuing two writes to the same af_alg socket is bogus as the
data will be interleaved in an unpredictable fashion.  Furthermore,
concurrent writes may create inconsistencies in the internal
socket state.

Disallow this by adding a new ctx->write field that indiciates
exclusive ownership for writing.

Fixes: 8ff590903d ("crypto: algif_skcipher - User-space interface for skcipher operations")
Reported-by: Muhammad Alifa Ramdhan <ramdhan@starlabs.sg>
Reported-by: Bing-Jhong Billy Jheng <billy@starlabs.sg>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-09-25 11:00:07 +02:00
..
asymmetric_keys
KEYS: prevent NULL pointer dereference in find_asymmetric_key()
2024-10-04 16:29:48 +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
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: aead,cipher - zeroize key buffer after use
2024-07-11 12:49:04 +02:00
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 - add header for internal prototypes
2023-05-24 18:12:33 +08:00
aegis128-neon.c
crypto: aegis128-neon - add header for internal prototypes
2023-05-24 18:12:33 +08:00
aegis-neon.h
crypto: aegis128-neon - add header for internal prototypes
2023-05-24 18:12:33 +08:00
aegis.h
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: af_alg - Disallow concurrent writes in af_alg_sendmsg
2025-09-25 11:00:07 +02:00
ahash.c
crypto: ahash - Set default reqsize from ahash_alg
2025-06-04 14:42:06 +02:00
akcipher.c
crypto: akcipher - Do not copy dst if it is NULL
2023-06-27 17:59:52 +08:00
algapi.c
crypto: api - Fix liveliness check in crypto_alg_tested
2024-11-17 15:08:56 +01:00
algboss.c
crypto: algboss - compile out test-related code when tests disabled
2022-11-25 17:39:18 +08:00
algif_aead.c
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
algif_hash.c
crypto: algif_hash - fix double free in hash_accept
2025-06-04 14:42:19 +02:00
algif_rng.c
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
algif_skcipher.c
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
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_alloc_tfmgfp
2023-06-23 16:15:36 +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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 44
2019-05-24 17:27:12 +02:00
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: aead,cipher - zeroize key buffer after use
2024-07-11 12:49:04 +02:00
cmac.c
crypto: cmac - Add support for cloning
2023-05-24 18:12:33 +08:00
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 - Remove crypto_engine_ctx
2023-08-18 17:01:11 +08:00
crypto_null.c
crypto: null - Use spin lock instead of mutex
2025-05-02 07:50:52 +02:00
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_helper.c
crypto: dh - split out deserialization code from crypto_dh_decode()
2022-03-03 10:47:50 +12:00
dh.c
crypto: api - Use data directly in completion function
2023-02-13 18:35:14 +08:00
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_curve_defs.h
Merge branch 'ecc'
2021-03-26 19:55:55 +11:00
ecc.c
crypto: ecdsa - Harden against integer overflows in DIV_ROUND_UP()
2025-07-17 18:35:22 +02:00
ecdh_helper.c
crypto: ecdh - move curve_id of ECDH from the key to algorithm name
2021-03-13 00:04:03 +11:00
ecdh.c
crypto: ecdh - explicitly zeroize private_key
2024-07-05 09:33:52 +02:00
ecdsa.c
crypto: ecdsa - Avoid signed integer overflow on signature decoding
2025-01-09 13:31:41 +01:00
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_defs.h
crypto: ecc - Move ecc.h to include/crypto/internal
2021-10-29 21:04:03 +08:00
ecrdsa_params.asn1
crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm
2019-04-18 22:15:02 +08:00
ecrdsa_pub_key.asn1
crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm
2019-04-18 22:15:02 +08:00
ecrdsa.c
crypto: ecrdsa - Fix module auto-load on add_key
2024-06-16 13:47:39 +02:00
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_info.c
crypto: rename sm3-256 to sm3 in hash_algo_name
2020-02-18 07:35:49 -05:00
hash.h
crypto: hash - Add crypto_clone_ahash/shash
2023-04-20 18:20:04 +08:00
hctr2.c
crypto: api - Use data directly in completion function
2023-02-13 18:35:14 +08:00
hmac.c
crypto: hmac - Add missing blank line
2023-06-16 20:30:35 +08:00
internal.h
crypto: sig - Fix verify call
2023-06-27 15:40:24 +08:00
jitterentropy-kcapi.c
crypto: jitter - fix intermediary handling
2025-08-28 16:28:26 +02:00
jitterentropy-testing.c
crypto: jitter - add interface for gathering of raw entropy
2023-05-12 18:48:01 +08:00
jitterentropy.c
crypto: jitter - Add clarifying comments to Jitter Entropy RCT cutoff values
2023-08-11 19:19:52 +08:00
jitterentropy.h
crypto: jitter - add interface for gathering of raw entropy
2023-05-12 18:48:01 +08:00
Kconfig
crypto: jitter - fix CRYPTO_JITTERENTROPY help text
2024-03-26 18:19:52 -04:00
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: lrw - Only add ecb if it is not already there
2025-06-19 15:28:03 +02:00
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
crypto: lzo - Fix compression buffer overrun
2025-06-04 14:42:01 +02:00
lzo.c
crypto: lzo - Fix compression buffer overrun
2025-06-04 14:42:01 +02:00
Makefile
crypto: sig - Add interface for sign/verify
2023-06-23 16:15:36 +08:00
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: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY
2024-12-09 10:31:48 +01:00
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_helper.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rsa-pkcs1pad.c
crypto: api - Use data directly in completion function
2023-02-13 18:35:14 +08:00
rsa.c
crypto: rsa - add a check for allocation failure
2024-01-25 15:35:15 -08:00
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: scomp - fix req->dst buffer overflow
2024-01-25 15:35:18 -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: shash - Allow cloning on algorithms with no init_tfm
2023-05-24 18:12:33 +08:00
sig.c
crypto: sig - Remove some unused functions
2023-07-20 22:15:12 +12:00
simd.c
crypto: simd - Do not call crypto_alloc_tfm during registration
2024-10-10 11:57:26 +02:00
skcipher.c
crypto: skcipher - Zap type in crypto_alloc_sync_skcipher
2025-06-04 14:42:06 +02:00
sm2.c
crypto: sm2 - Fix crash caused by uninitialized context
2023-09-20 13:10:10 +08:00
sm2signature.asn1
crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithm
2020-09-25 17:48:54 +10:00
sm3_generic.c
crypto: sm3 - make dependent on sm3 library
2022-01-28 16:51:11 +11:00
sm3.c
crypto: sm3,sm4 - move into crypto directory
2022-04-08 16:11:48 +08:00
sm4_generic.c
crypto: Prepare to move crypto_tfm_ctx
2022-12-02 18:12:40 +08:00
sm4.c
crypto: sm4 - export sm4 constant arrays
2022-04-08 16:12:46 +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
crypto: xor - fix template benchmarking
2024-10-04 16:28:49 +02:00
xts.c
crypto: xts - Only add ecb if it is not already there
2025-06-19 15:28:03 +02:00
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