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mirror-linux/crypto
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Douya Le 8eceab19eb crypto: af_alg - limit RX SG extraction by receive buffer budget 
Make af_alg_get_rsgl() limit each RX scatterlist extraction to the
remaining receive buffer budget.

af_alg_get_rsgl() currently uses af_alg_readable() only as a gate
before extracting data into the RX scatterlist. Limit each extraction
to the remaining af_alg_rcvbuf(sk) budget so that receive-side
accounting matches the amount of data attached to the request.

If skcipher cannot obtain enough RX space for at least one chunk while
more data remains to be processed, reject the recvmsg call instead of
rounding the request length down to zero.

Fixes: e870456d8e ("crypto: algif_skcipher - overhaul memory management")
Reported-by: Yifan Wu <yifanwucs@gmail.com>
Reported-by: Juefei Pu <tomapufckgml@gmail.com>
Co-developed-by: Yuan Tan <yuantan098@gmail.com>
Signed-off-by: Yuan Tan <yuantan098@gmail.com>
Suggested-by: Xin Liu <bird@lzu.edu.cn>
Signed-off-by: Douya Le <ldy3087146292@gmail.com>
Signed-off-by: Ren Wei <n05ec@lzu.edu.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 		2026-04-03 08:54:14 +08:00
..
asymmetric_keys x509: select CONFIG_CRYPTO_LIB_SHA256 2026-02-22 12:09:23 -08:00
async_tx lib/raid6: replace custom zero page with ZERO_PAGE 2025-07-09 22:57:54 -07:00
krb5 kernel.h: drop hex.h and update all hex.h users 2026-01-20 19:44:19 -08:00
842.c crypto: comp - Use same definition of context alloc and free ops 2025-09-20 20:21:03 +08:00
Kconfig keys: Support for ML-DSA module signing 2026-02-10 09:32:30 -08:00
Makefile Locking updates for v6.20: 2026-02-10 12:28:44 -08:00
acompress.c Locking updates for v6.20: 2026-02-10 12:28:44 -08:00
adiantum.c crypto: adiantum - Drop support for asynchronous xchacha ciphers 2026-01-12 11:07:50 -08:00
aead.c crypto: api - remove unnecessary forward declarations 2026-01-23 13:48:43 +08:00
aegis-neon.h crypto: aegis128-neon - add header for internal prototypes 2023-05-24 18:12:33 +08:00
aegis.h crypto: aegis - Switch from crypto_ft_tab[] to aes_enc_tab[] 2026-01-12 11:39:58 -08:00
aegis128-core.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
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 - Move to more abstract 'ksimd' guard API 2025-11-12 09:52:01 +01:00
aes.c crypto: aes - Replace aes-generic with wrapper around lib 2026-01-12 11:39:58 -08:00
af_alg.c crypto: af_alg - limit RX SG extraction by receive buffer budget 2026-04-03 08:54:14 +08:00
ahash.c crypto: api - remove unnecessary forward declarations 2026-01-23 13:48:43 +08:00
akcipher.c crypto: api - remove unnecessary forward declarations 2026-01-23 13:48:43 +08:00
algapi.c Locking updates for v6.20: 2026-02-10 12:28:44 -08:00
algboss.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
algif_aead.c crypto: algif_aead - Revert to operating out-of-place 2026-03-31 17:11:47 +09:00
algif_hash.c crypto: af_alg - zero initialize memory allocated via sock_kmalloc 2025-10-17 16:03:57 +08:00
algif_rng.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
algif_skcipher.c crypto: af_alg - limit RX SG extraction by receive buffer budget 2026-04-03 08:54:14 +08:00
anubis.c crypto: anubis - simplify return statement in anubis_mod_init 2025-09-20 20:21:04 +08:00
api.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
arc4.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
aria_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
authenc.c crypto: authenc - Correctly pass EINPROGRESS back up to the caller 2025-10-17 16:03:58 +08:00
authencesn.c crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption 2026-03-31 17:11:48 +09:00
blake2b.c crypto: blake2b - Reimplement using library API 2025-10-29 22:04:24 -07:00
blowfish_common.c crypto: blowfish - fix typo in comment 2026-01-23 13:48:44 +08:00
blowfish_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
bpf_crypto_skcipher.c crypto: bpf - Add MODULE_DESCRIPTION for skcipher 2025-03-02 15:19:43 +08:00
camellia_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
cast5_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
cast6_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
cast_common.c crypto: Add missing MODULE_DESCRIPTION() macros 2024-05-31 17:34:56 +08:00
cbc.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
ccm.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
chacha.c crypto: chacha - register only "-lib" drivers 2025-08-29 09:50:19 -07:00
chacha20poly1305.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
cipher.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
cmac.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
compress.h crypto: acomp - Move stream management into scomp layer 2025-03-15 16:21:22 +08:00
crc32.c crypto/crc32[c]: register only "-lib" drivers 2025-06-30 09:31:56 -07:00
crc32c.c crypto/crc32[c]: register only "-lib" drivers 2025-06-30 09:31:56 -07:00
cryptd.c crypto: cryptd - WQ_PERCPU added to alloc_workqueue users 2025-09-13 12:11:06 +08:00
crypto_engine.c Locking updates for v6.20: 2026-02-10 12:28:44 -08:00
crypto_null.c crypto: null - use memcpy_sglist() 2025-05-12 13:32:53 +08:00
crypto_user.c crypto: aes - Replace aes-generic with wrapper around lib 2026-01-12 11:39:58 -08:00
ctr.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
cts.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
deflate.c crypto: deflate - fix spurious -ENOSPC 2026-03-26 18:10:58 +09:00
des_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
df_sp80090a.c crypto: drbg - Use new AES library API 2026-01-15 14:09:08 -08:00
dh.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
dh_helper.c
…
drbg.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ecb.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
ecc.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ecc_curve_defs.h crypto: ecc - Add NIST P521 curve parameters 2024-04-12 15:07:52 +08:00
ecdh.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
ecdh_helper.c
…
ecdsa-p1363.c crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY 2025-04-16 15:16:21 +08:00
ecdsa-x962.c crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY 2025-04-16 15:16:21 +08:00
ecdsa.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
ecdsasignature.asn1
…
echainiv.c crypto: geniv - use memcpy_sglist() instead of null skcipher 2025-05-12 13:32:53 +08:00
ecrdsa.c crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY 2025-04-16 15:16:21 +08:00
ecrdsa_defs.h crypto: ecc - Add nbits field to ecc_curve structure 2024-04-12 15:07:52 +08:00
ecrdsa_params.asn1
…
ecrdsa_pub_key.asn1
…
essiv.c crypto: essiv - Check ssize for decryption and in-place encryption 2025-10-09 15:02:35 +08:00
fcrypt.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
fips.c crypto: fips - annotate fips_enable() with __init to free init memory after boot 2025-12-19 14:47:47 +08:00
gcm.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
geniv.c crypto: geniv - use memcpy_sglist() instead of null skcipher 2025-05-12 13:32:53 +08:00
ghash-generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
hash.h crypto: remove CONFIG_CRYPTO_STATS 2024-04-02 10:49:38 +08:00
hctr2.c crypto: hctr2 - Convert to use POLYVAL library 2025-11-11 11:03:38 -08:00
hkdf.c crypto: hkdf - move to late_initcall 2025-06-11 10:59:45 +08:00
hmac.c crypto: hmac - Add ahash support 2025-05-19 13:48:20 +08:00
internal.h crypto: Enable context analysis 2026-01-05 16:43:36 +01:00
jitterentropy-kcapi.c crypto: jitterentropy - Use default sha3 implementation 2025-11-05 20:30:51 -08:00
jitterentropy-testing.c crypto: jitter - output full sample from test interface 2024-10-19 08:44:30 +08:00
jitterentropy.c crypto: jitter - replace ARRAY_SIZE definition with header include 2025-07-18 20:52:01 +10:00
jitterentropy.h crypto: jitter - output full sample from test interface 2024-10-19 08:44:30 +08:00
kdf_sp800108.c crypto: testmgr - replace CRYPTO_MANAGER_DISABLE_TESTS with CRYPTO_SELFTESTS 2025-05-12 13:33:14 +08:00
khazad.c crypto: khazad - simplify return statement in khazad_mod_init 2025-12-29 08:48:35 +08:00
kpp.c crypto: api - remove unnecessary forward declarations 2026-01-23 13:48:43 +08:00
krb5enc.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
lrw.c crypto: lrw - Only add ecb if it is not already there 2025-05-19 13:48:20 +08:00
lskcipher.c crypto: lskcipher - Use unregister_lskciphers in register_lskciphers 2026-01-23 13:48:42 +08:00
lz4.c crypto: comp - Use same definition of context alloc and free ops 2025-09-20 20:21:03 +08:00
lz4hc.c crypto: comp - Use same definition of context alloc and free ops 2025-09-20 20:21:03 +08:00
lzo-rle.c crypto: comp - Use same definition of context alloc and free ops 2025-09-20 20:21:03 +08:00
lzo.c crypto: comp - Use same definition of context alloc and free ops 2025-09-20 20:21:03 +08:00
md4.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
md5.c crypto: md5 - Implement export_core() and import_core() 2025-09-08 09:47:38 -07:00
michael_mic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
mldsa.c crypto: Add ML-DSA crypto_sig support 2026-01-21 22:32:50 +00:00
pcbc.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
pcrypt.c crypto: pcrypt - Optimize pcrypt_aead_init_tfm() 2025-06-13 17:26:17 +08:00
proc.c crypto: Enable context analysis 2026-01-05 16:43:36 +01:00
ripemd.h
…
rmd160.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
rng.c crypto: rng - Use unregister_rngs in register_rngs 2026-02-06 18:52:22 +08:00
rsa-pkcs1pad.c crypto: rsassa-pkcs1 - Migrate to sig_alg backend 2024-10-05 13:22:04 +08:00
rsa.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
rsa_helper.c
…
rsaprivkey.asn1 treewide: Add SPDX identifier to IETF ASN.1 modules 2023-10-27 18:04:28 +08:00
rsapubkey.asn1 treewide: Add SPDX identifier to IETF ASN.1 modules 2023-10-27 18:04:28 +08:00
rsassa-pkcs1.c crypto: ecdsa - Fix NIST P521 key size reported by KEYCTL_PKEY_QUERY 2025-04-16 15:16:21 +08:00
scatterwalk.c Revert "crypto: scatterwalk - Move skcipher walk and use it for memcpy_sglist" 2025-11-22 10:04:50 +08:00
scompress.c Locking updates for v6.20: 2026-02-10 12:28:44 -08:00
seed.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
seqiv.c crypto: seqiv - Do not use req->iv after crypto_aead_encrypt 2025-12-19 14:47:06 +08:00
serpent_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
sha1.c crypto: sha1 - Implement export_core() and import_core() 2025-09-02 19:02:35 -07:00
sha3.c crypto: sha3 - Reimplement using library API 2025-11-05 20:30:51 -08:00
sha256.c crypto: sha256 - Implement export_core() and import_core() 2025-09-02 19:02:37 -07:00
sha512.c crypto: sha512 - Implement export_core() and import_core() 2025-09-02 19:02:39 -07:00
shash.c crypto: api - remove unnecessary forward declarations 2026-01-23 13:48:43 +08:00
sig.c crypto: api - Add support for duplicating algorithms before registration 2025-04-16 15:36:24 +08:00
simd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
skcipher.c crypto: api - remove unnecessary forward declarations 2026-01-23 13:48:43 +08:00
skcipher.h crypto: remove CONFIG_CRYPTO_STATS 2024-04-02 10:49:38 +08:00
sm3_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
sm4.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
sm4_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
streebog_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
tcrypt.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tcrypt.h crypto: tcrypt - Remove unused poly1305 support 2025-11-22 10:04:50 +08:00
tea.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
testmgr.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
testmgr.h This update includes the following changes: 2026-02-10 08:36:42 -08:00
twofish_common.c
…
twofish_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
wp512.c crypto: wp512 - Use API partial block handling 2025-06-23 16:56:56 +08:00
xcbc.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
xctr.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
xor.c crypto: xor - fix template benchmarking 2024-08-02 20:53:25 +08:00
xts.c crypto: xts - Only add ecb if it is not already there 2025-05-19 13:48:20 +08:00
xxhash_generic.c Revert "crypto: run initcalls for generic implementations earlier" 2025-05-05 18:20:44 +08:00
zstd.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00