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Linux/crypto
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David Howells 0b7ec177b5 crypto: algif_hash - Fix race between MORE and non-MORE sends 
The 'MSG_MORE' state of the previous sendmsg() is fetched without the
socket lock held, so two sendmsg calls can race.  This can be seen with a
large sendfile() as that now does a series of sendmsg() calls, and if a
write() comes in on the same socket at an inopportune time, it can flip the
state.

Fix this by moving the fetch of ctx->more inside the socket lock.

Fixes: c662b043cd ("crypto: af_alg/hash: Support MSG_SPLICE_PAGES")
Reported-by: [email protected]
Link: https://lore.kernel.org/r/[email protected]/
Signed-off-by: David Howells <[email protected]>
Tested-by: [email protected]
cc: Herbert Xu <[email protected]>
cc: Paolo Abeni <[email protected]>
cc: "David S. Miller" <[email protected]>
cc: Eric Dumazet <[email protected]>
cc: Jakub Kicinski <[email protected]>
cc: [email protected]
cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>
2023-07-08 22:48:42 +10:00
..
asymmetric_keys
KEYS: asymmetric: Fix error codes
2023-07-07 14:16:47 +10:00
async_tx
async_tx: fix kernel-doc notation warnings
2023-03-24 18:22:28 +08:00
842.c
…
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
aegis128-core.c
…
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
…
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 - Fix merging of written data into spliced pages
2023-07-05 16:14:24 +08:00
ahash.c
crypto: hash - Make crypto_ahash_alg helper available
2023-05-12 18:48:01 +08:00
akcipher.c
crypto: akcipher - Do not copy dst if it is NULL
2023-06-27 17:59:52 +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
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 race between MORE and non-MORE sends
2023-07-08 22:48:42 +10:00
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
…
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
…
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
…
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
…
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
…
cipher.c
crypto: cipher - On clone do crypto_mod_get()
2023-06-23 16:15:36 +08:00
cmac.c
crypto: cmac - Add support for cloning
2023-05-24 18:12:33 +08:00
compress.c
…
compress.h
crypto: acomp - Count error stats differently
2023-03-14 17:06:42 +08:00
crc32_generic.c
…
crc32c_generic.c
…
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
…
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
…
crypto_user_base.c
…
crypto_user_stat.c
crypto: rng - Count error stats differently
2023-03-14 17:06:42 +08:00
ctr.c
…
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
…
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
…
ecc_curve_defs.h
…
ecc.c
crypto: ecc - Silence sparse warning
2023-02-14 13:39:33 +08:00
ecdh_helper.c
…
ecdh.c
crypto: add __init/__exit annotations to init/exit funcs
2022-09-24 16:14:43 +08:00
ecdsa.c
crypto: add __init/__exit annotations to init/exit funcs
2022-09-24 16:14:43 +08:00
ecdsasignature.asn1
…
echainiv.c
…
ecrdsa_defs.h
…
ecrdsa_params.asn1
…
ecrdsa_pub_key.asn1
…
ecrdsa.c
crypto: ecrdsa - Fix incorrect use of vli_cmp
2022-04-29 13:44:58 +08:00
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
…
ghash-generic.c
…
hash_info.c
…
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 - add interface for gathering of raw entropy
2023-05-12 18:48:01 +08:00
jitterentropy-testing.c
crypto: jitter - add interface for gathering of raw entropy
2023-05-12 18:48:01 +08:00
jitterentropy.c
crypto: jitter - correct health test during initialization
2023-06-02 18:21:32 +08:00
jitterentropy.h
crypto: jitter - add interface for gathering of raw entropy
2023-05-12 18:48:01 +08:00
Kconfig
crypto: sig - Add interface for sign/verify
2023-06-23 16:15:36 +08:00
kdf_sp800108.c
crypto: kdf - silence noisy self-test
2022-11-25 17:39:18 +08:00
keywrap.c
…
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
…
lz4hc.c
…
lzo-rle.c
…
lzo.c
…
Makefile
crypto: sig - Add interface for sign/verify
2023-06-23 16:15:36 +08:00
md4.c
…
md5.c
…
michael_mic.c
…
nhpoly1305.c
…
ofb.c
…
pcbc.c
…
pcrypt.c
crypto: api - Use data directly in completion function
2023-02-13 18:35:14 +08:00
poly1305_generic.c
…
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
…
rmd160.c
…
rng.c
crypto: api - Fix CRYPTO_USER checks for report function
2023-05-02 18:22:24 +08:00
rsa_helper.c
…
rsa-pkcs1pad.c
crypto: api - Use data directly in completion function
2023-02-13 18:35:14 +08:00
rsa.c
crypto: rsa - allow only odd e and restrict value in FIPS mode
2023-06-23 16:15:36 +08:00
rsaprivkey.asn1
…
rsapubkey.asn1
…
scatterwalk.c
…
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
…
sha3_generic.c
…
sha256_generic.c
…
sha512_generic.c
…
shash.c
crypto: shash - Allow cloning on algorithms with no init_tfm
2023-05-24 18:12:33 +08:00
sig.c
crypto: sig - Fix verify call
2023-06-27 15:40:24 +08:00
simd.c
…
skcipher.c
crypto: api - Fix CRYPTO_USER checks for report function
2023-05-02 18:22:24 +08:00
sm2.c
KEYS: asymmetric: Move sm2 code into x509_public_key
2023-06-23 16:15:37 +08:00
sm2signature.asn1
…
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
…
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
…
wp512.c
crypto: wp512 - disable kmsan checks in wp512_process_buffer()
2022-12-30 22:56:27 +08:00
xcbc.c
…
xctr.c
crypto: xctr - Add XCTR support
2022-06-10 16:40:16 +08:00
xor.c
…
xts.c
crypto: api - Use data directly in completion function
2023-02-13 18:35:14 +08:00
xxhash_generic.c
…
zstd.c
…