Herbert Xu 9aee87da55 crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg ...

commit 1b34cbbf4f 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 11:13:45 +02:00

..

internal

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

acompress.h

crypto: remove CONFIG_CRYPTO_STATS

2024-04-02 10:49:38 +08:00

aead.h

crypto: remove CONFIG_CRYPTO_STATS

2024-04-02 10:49:38 +08:00

aes.h

crypto: lib - implement library version of AES in CFB mode

2024-05-09 22:30:51 +03:00

akcipher.h

crypto: remove CONFIG_CRYPTO_STATS

2024-04-02 10:49:38 +08:00

algapi.h

crypto: remove CONFIG_CRYPTO_STATS

2024-04-02 10:49:38 +08:00

arc4.h

…

aria.h

…

authenc.h

…

b128ops.h

…

blake2b.h

…

blake2s.h

…

blowfish.h

…

cast5.h

…

cast6.h

…

cast_common.h

…

chacha20poly1305.h

…

chacha.h

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

cryptd.h

…

ctr.h

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curve25519.h

…

des.h

…

dh.h

…

drbg.h

…

ecc_curve.h

crypto: ecc - Add nbits field to ecc_curve structure

2024-04-12 15:07:52 +08:00

ecdh.h

crypto: ecc - Add NIST P521 curve parameters

2024-04-12 15:07:52 +08:00

engine.h

…

gcm.h

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gf128mul.h

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ghash.h

…

hash_info.h

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hash.h

crypto: ahash - Set default reqsize from ahash_alg

2025-05-29 11:02:40 +02:00

hmac.h

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if_alg.h

crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg

2025-09-25 11:13:45 +02:00

kdf_sp800108.h

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kpp.h

crypto: remove CONFIG_CRYPTO_STATS

2024-04-02 10:49:38 +08:00

md5.h

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nhpoly1305.h

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null.h

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padlock.h

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pcrypt.h

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pkcs7.h

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poly1305.h

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polyval.h

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public_key.h

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rng.h

crypto: remove CONFIG_CRYPTO_STATS

2024-04-02 10:49:38 +08:00

scatterwalk.h

…

serpent.h

…

sha1_base.h

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

sha1.h

…

sha2.h

…

sha3.h

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sha256_base.h

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

sha512_base.h

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

sig.h

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skcipher.h

Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-05-19 09:21:03 -07:00

sm3_base.h

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

sm3.h

…

sm4.h

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streebog.h

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twofish.h

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utils.h

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

xts.h

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