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Herbert Xu 24c1106504 crypto: af_alg - Set merge to zero early in af_alg_sendmsg 
[ Upstream commit 9574b2330d ]

If an error causes af_alg_sendmsg to abort, ctx->merge may contain
a garbage value from the previous loop.  This may then trigger a
crash on the next entry into af_alg_sendmsg when it attempts to do
a merge that can't be done.

Fix this by setting ctx->merge to zero near the start of the loop.

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: Sasha Levin <sashal@kernel.org>
2025-09-25 11:13:49 +02:00
..
asymmetric_keys
KEYS: prevent NULL pointer dereference in find_asymmetric_key()
2024-09-20 19:49:49 +03:00
async_tx
…
842.c
…
acompress.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
adiantum.c
crypto: adiantum - flush destination page before unmapping
2023-11-01 12:58:42 +08:00
aead.c
crypto: aead,cipher - zeroize key buffer after use
2024-04-26 17:26:09 +08:00
aegis128-core.c
crypto: aegis128 - Fix indentation issue in crypto_aegis128_process_crypt()
2024-09-13 18:26:52 +08:00
aegis128-neon-inner.c
…
aegis128-neon.c
…
aegis-neon.h
…
aegis.h
…
aes_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
aes_ti.c
…
af_alg.c
crypto: af_alg - Set merge to zero early in af_alg_sendmsg
2025-09-25 11:13:49 +02:00
ahash.c
crypto: ahash - Set default reqsize from ahash_alg
2025-05-29 11:02:40 +02:00
akcipher.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
algapi.c
crypto: api - Fix boot-up self-test race
2025-02-08 09:57:28 +01:00
algboss.c
crypto: algboss - Pass instance creation error up
2024-09-06 14:50:46 +08:00
algif_aead.c
…
algif_hash.c
crypto: algif_hash - fix double free in hash_accept
2025-05-29 11:03:18 +02:00
algif_rng.c
…
algif_skcipher.c
crypto: Add missing MODULE_DESCRIPTION() macros
2024-05-31 17:34:56 +08:00
ansi_cprng.c
…
anubis.c
…
api.c
crypto: api - Redo lookup on EEXIST
2025-06-19 15:31:30 +02:00
arc4.c
crypto: arc4 - Add internal state
2023-12-08 11:59:46 +08:00
aria_generic.c
…
authenc.c
crypto: authenc - stop using alignmask of ahash
2023-10-27 18:04:29 +08:00
authencesn.c
crypto: authencesn - stop using alignmask of ahash
2023-10-27 18:04:29 +08:00
blake2b_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
blowfish_common.c
…
blowfish_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
bpf_crypto_skcipher.c
crypto: bpf - Add MODULE_DESCRIPTION for skcipher
2025-04-10 14:39:17 +02:00
camellia_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
cast5_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
cast6_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
cast_common.c
crypto: Add missing MODULE_DESCRIPTION() macros
2024-05-31 17:34:56 +08:00
cbc.c
crypto: cbc - Ensure statesize is zero
2024-02-02 18:08:12 +08:00
ccm.c
crypto: ccm - stop using alignmask of ahash
2023-10-27 18:04:29 +08:00
chacha20poly1305.c
crypto: chacha20poly1305 - Annotate struct chachapoly_ctx with __counted_by()
2024-08-17 13:55:49 +08:00
chacha_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
cipher.c
crypto: aead,cipher - zeroize key buffer after use
2024-04-26 17:26:09 +08:00
cmac.c
crypto: cmac - remove unnecessary alignment logic
2023-10-27 18:04:24 +08:00
compress.c
…
compress.h
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
crc32_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
crc32c_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
crc64_rocksoft_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
crct10dif_common.c
…
crct10dif_generic.c
…
cryptd.c
crypto: cryptd - Only access common skcipher fields on spawn
2023-10-13 18:27:26 +08:00
crypto_engine.c
crypto: engine - Make crypto_engine_exit() return void
2023-10-01 16:28:15 +08:00
crypto_null.c
crypto: null - Use spin lock instead of mutex
2025-05-02 07:59:15 +02:00
crypto_user.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
ctr.c
crypto: ctr - Only access common skcipher fields on spawn
2023-10-13 18:27:27 +08:00
cts.c
crypto: cts - Only access common skcipher fields on spawn
2023-10-13 18:27:27 +08:00
curve25519-generic.c
crypto: Add missing MODULE_DESCRIPTION() macros
2024-05-31 17:34:56 +08:00
deflate.c
crypto: deflate - Add aliases to deflate
2024-06-28 11:35:47 +10:00
des_generic.c
…
dh_helper.c
…
dh.c
crypto: dh - Check mpi_rshift errors
2024-08-17 13:55:50 +08:00
drbg.c
crypto: drbg - Remove SHA1 from drbg
2023-11-17 19:16:29 +08:00
ecb.c
crypto: skcipher - Add internal state support
2023-12-08 11:59:46 +08:00
ecc_curve_defs.h
crypto: ecc - Add NIST P521 curve parameters
2024-04-12 15:07:52 +08:00
ecc.c
crypto: ecdsa - Harden against integer overflows in DIV_ROUND_UP()
2025-07-17 18:37:24 +02:00
ecdh_helper.c
…
ecdh.c
crypto: ecdh - Initialize ctx->private_key in proper byte order
2024-04-26 17:26:09 +08:00
ecdsa.c
crypto: ecdsa - Avoid signed integer overflow on signature decoding
2024-12-14 20:03:36 +01:00
ecdsasignature.asn1
…
echainiv.c
…
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
…
ecrdsa.c
crypto: ecrdsa - Fix module auto-load on add_key
2024-04-02 10:49:38 +08:00
essiv.c
crypto: essiv - Handle lskcipher spawns
2023-10-13 18:27:26 +08:00
fcrypt.c
…
fips.c
crypto: fips - Remove the now superfluous sentinel element from ctl_table array
2024-04-05 15:46:33 +08:00
gcm.c
crypto: gcm - stop using alignmask of ahash
2023-10-27 18:04:29 +08:00
geniv.c
…
ghash-generic.c
…
hash_info.c
crypto: FIPS 202 SHA-3 register in hash info for IMA
2023-10-27 18:04:30 +08:00
hash.h
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
hctr2.c
crypto: hctr2 - stop using alignmask of shash_alg
2023-10-27 18:04:25 +08:00
hmac.c
crypto: hmac - remove unnecessary alignment logic
2023-10-27 18:04:24 +08:00
internal.h
crypto: api - Do not wait for tests during registration
2024-08-24 21:39:15 +08:00
jitterentropy-kcapi.c
crypto: jitter - fix intermediary handling
2025-08-20 18:30:42 +02:00
jitterentropy-testing.c
…
jitterentropy.c
crypto: jitter - Use min() to simplify jent_read_entropy()
2024-08-30 18:22:30 +08:00
jitterentropy.h
crypto: jitter - reuse allocated entropy collector
2023-10-13 18:31:07 +08:00
Kconfig
crypto: Kconfig - Select LIB generic option
2025-05-02 07:59:33 +02:00
kdf_sp800108.c
…
keywrap.c
…
khazad.c
…
kpp.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
lrw.c
crypto: lrw - Only add ecb if it is not already there
2025-06-19 15:31:30 +02:00
lskcipher.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
lz4.c
…
lz4hc.c
…
lzo-rle.c
crypto: lzo - Fix compression buffer overrun
2025-05-29 11:02:25 +02:00
lzo.c
crypto: lzo - Fix compression buffer overrun
2025-05-29 11:02:25 +02:00
Makefile
crypto: sm2 - Remove sm2 algorithm
2024-06-07 19:46:39 +08:00
md4.c
…
md5.c
…
michael_mic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
nhpoly1305.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
pcbc.c
crypto: pcbc - remove redundant assignment to nbytes
2024-01-26 16:39:32 +08:00
pcrypt.c
crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY
2024-12-05 14:01:18 +01:00
poly1305_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
polyval-generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
proc.c
…
ripemd.h
…
rmd160.c
…
rng.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
rsa_helper.c
…
rsa-pkcs1pad.c
crypto: rsa-pkcs1pad - Add FIPS 202 SHA-3 support
2023-10-27 18:04:30 +08:00
rsa.c
crypto: rsa - Check MPI allocation errors
2024-08-17 13:55:50 +08:00
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
scatterwalk.c
…
scompress.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
seed.c
…
seqiv.c
…
serpent_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sha1_generic.c
…
sha3_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sha256_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sha512_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
shash.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
sig.c
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
simd.c
crypto: simd - Do not call crypto_alloc_tfm during registration
2024-08-24 21:39:15 +08:00
skcipher.c
crypto: skcipher - Zap type in crypto_alloc_sync_skcipher
2025-05-29 11:02:40 +02:00
skcipher.h
crypto: remove CONFIG_CRYPTO_STATS
2024-04-02 10:49:38 +08:00
sm3_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sm3.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sm4_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
sm4.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
streebog_generic.c
…
tcrypt.c
crypto: tcrypt - add skcipher speed for given alg
2024-06-28 11:35:46 +10:00
tcrypt.h
…
tea.c
…
testmgr.c
crypto: testmgr - Hide ENOENT errors better
2024-10-10 17:03:35 +08:00
testmgr.h
crypto: sm2 - Remove sm2 algorithm
2024-06-07 19:46:39 +08:00
twofish_common.c
…
twofish_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
vmac.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
wp512.c
…
xcbc.c
crypto: xcbc - remove unnecessary alignment logic
2023-10-27 18:04:25 +08:00
xctr.c
…
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
2025-06-19 15:31:30 +02:00
xxhash_generic.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
zstd.c
…