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Linux/crypto
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Herbert Xu 34c86f4c4a crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock() 
The locking in af_alg_release_parent is broken as the BH socket
lock can only be taken if there is a code-path to handle the case
where the lock is owned by process-context.  Instead of adding
such handling, we can fix this by changing the ref counts to
atomic_t.

This patch also modifies the main refcnt to include both normal
and nokey sockets.  This way we don't have to fudge the nokey
ref count when a socket changes from nokey to normal.

Credits go to Mauricio Faria de Oliveira who diagnosed this bug
and sent a patch for it:

https://lore.kernel.org/linux-crypto/[email protected]/

Reported-by: Brian Moyles <[email protected]>
Reported-by: Mauricio Faria de Oliveira <[email protected]>
Fixes: 37f96694cf ("crypto: af_alg - Use bh_lock_sock in...")
Cc: <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
2020-06-18 17:09:54 +10:00
..
asymmetric_keys
KEYS: asymmetric: return ENOMEM if akcipher_request_alloc() fails
2019-12-12 23:45:16 +02:00
async_tx
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335
2019-06-05 17:37:06 +02:00
842.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
acompress.c
crypto: algapi - make unregistration functions return void
2019-12-20 14:58:35 +08:00
adiantum.c
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2020-01-28 15:38:56 -08:00
aead.c
crypto: algapi - enforce that all instances have a ->free() method
2020-01-09 11:30:58 +08:00
aegis128-core.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
aegis128-neon-inner.c
crypto: aegis128 - duplicate init() and final() hooks in SIMD code
2019-10-26 02:06:05 +11:00
aegis128-neon.c
crypto: aegis128 - duplicate init() and final() hooks in SIMD code
2019-10-26 02:06:05 +11:00
aegis.h
crypto: aegis128 - Fix -Wunused-const-variable warning
2019-08-30 18:05:30 +10:00
aes_generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
aes_ti.c
crypto: aes - create AES library based on the fixed time AES code
2019-07-26 14:55:33 +10:00
af_alg.c
crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock()
2020-06-18 17:09:54 +10:00
ahash.c
crypto: algapi - enforce that all instances have a ->free() method
2020-01-09 11:30:58 +08:00
akcipher.c
crypto: algapi - enforce that all instances have a ->free() method
2020-01-09 11:30:58 +08:00
algapi.c
crypto: algapi - create function to add request in front of queue
2020-05-08 15:30:40 +10:00
algboss.c
crypto: algboss - don't wait during notifier callback
2020-06-15 17:38:54 +10:00
algif_aead.c
crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock()
2020-06-18 17:09:54 +10:00
algif_hash.c
crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock()
2020-06-18 17:09:54 +10:00
algif_rng.c
crypto: algif_rng - remove redundant assignment to variable err
2020-04-24 17:42:16 +10:00
algif_skcipher.c
crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock()
2020-06-18 17:09:54 +10:00
ansi_cprng.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 42
2019-05-24 17:27:12 +02:00
anubis.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
api.c
crypto: api - Fix use-after-free and race in crypto_spawn_alg
2020-04-16 16:49:22 +10:00
arc4.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
authenc.c
crypto: authenc - use crypto_grab_ahash() and simplify error paths
2020-01-09 11:30:55 +08:00
authencesn.c
crypto: authencesn - fix weird comma-terminated line
2020-03-06 12:28:22 +11:00
blake2b_generic.c
crypto: blake2b - Fix clang optimization for ARMv7-M
2020-05-15 16:15:00 +10:00
blake2s_generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
blowfish_common.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
blowfish_generic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
camellia_generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
cast5_generic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 140
2019-05-30 11:25:16 -07:00
cast6_generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +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: skcipher - Add skcipher_ialg_simple helper
2019-12-27 18:18:04 +08:00
ccm.c
crypto: ccm - simplify error handling in crypto_rfc4309_create()
2020-03-06 12:28:22 +11:00
cfb.c
crypto: skcipher - Add skcipher_ialg_simple helper
2019-12-27 18:18:04 +08:00
chacha20poly1305.c
crypto: chacha20poly1305 - use crypto_grab_ahash() and simplify error paths
2020-01-09 11:30:56 +08:00
chacha_generic.c
crypto: chacha_generic - remove unnecessary setkey() functions
2019-11-22 18:48:39 +08:00
cipher.c
crypto: remove propagation of CRYPTO_TFM_RES_* flags
2020-01-09 11:30:53 +08:00
cmac.c
crypto: shash - convert shash_free_instance() to new style
2020-01-09 11:30:57 +08:00
compress.c
crypto: compress - remove crt_u.compress (struct compress_tfm)
2019-12-11 16:37:01 +08:00
crc32_generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
crc32c_generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
crct10dif_common.c
…
crct10dif_generic.c
crypto: run initcalls for generic implementations earlier
2019-04-18 22:15:03 +08:00
cryptd.c
crypto: cryptd - simplify error handling in cryptd_create_*()
2020-03-06 12:28:22 +11:00
crypto_engine.c
crypto: engine - do not requeue in case of fatal error
2020-05-28 17:27:52 +10:00
crypto_null.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
crypto_user_base.c
crypto: algapi - make unregistration functions return void
2019-12-20 14:58:35 +08:00
crypto_user_stat.c
crypto: skcipher - remove the "blkcipher" algorithm type
2019-11-01 13:38:32 +08:00
ctr.c
crypto: ctr - simplify error handling in crypto_rfc3686_create()
2020-03-06 12:28:22 +11:00
cts.c
crypto: cts - simplify error handling in crypto_cts_create()
2020-03-06 12:28:23 +11:00
curve25519-generic.c
crypto: curve25519 - implement generic KPP driver
2019-11-17 09:02:43 +08:00
deflate.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
des_generic.c
crypto: remove CRYPTO_TFM_RES_WEAK_KEY
2020-01-09 11:30:53 +08:00
dh_helper.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dh.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
drbg.c
crypto: drbg - always try to free Jitter RNG instance
2020-06-15 17:38:54 +10:00
ecb.c
crypto: skcipher - Add skcipher_ialg_simple helper
2019-12-27 18:18:04 +08:00
ecc_curve_defs.h
crypto: ecc - make ecc into separate module
2019-04-18 22:15:02 +08:00
ecc.c
int128: move __uint128_t compiler test to Kconfig
2019-11-17 09:02:42 +08:00
ecc.h
crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm
2019-04-18 22:15:02 +08:00
ecdh_helper.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ecdh.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
echainiv.c
crypto: geniv - convert to new way of freeing instances
2020-01-09 11:30:57 +08:00
ecrdsa_defs.h
crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm
2019-04-18 22:15:02 +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 - add EC-RDSA (GOST 34.10) algorithm
2019-04-18 22:15:02 +08:00
essiv.c
crypto: essiv - use crypto_shash_tfm_digest()
2020-05-08 15:32:13 +10:00
fcrypt.c
crypto: make all generic algorithms set cra_driver_name
2019-06-13 14:31:39 +08:00
fips.c
crypto: fips - add FIPS test failure notification chain
2019-07-26 14:51:57 +10:00
gcm.c
crypto: gcm - simplify error handling in crypto_rfc4543_create()
2020-03-06 12:28:23 +11:00
geniv.c
crypto: geniv - simply error handling in aead_geniv_alloc()
2020-03-06 12:28:23 +11:00
gf128mul.c
…
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
hmac.c
crypto: shash - convert shash_free_instance() to new style
2020-01-09 11:30:57 +08:00
internal.h
crypto: api - Fix use-after-free and race in crypto_spawn_alg
2020-04-16 16:49:22 +10:00
jitterentropy-kcapi.c
crypto: jitter - SP800-90B compliance
2020-04-24 17:42:17 +10:00
jitterentropy.c
crypto: jitter - SP800-90B compliance
2020-04-24 17:42:17 +10:00
jitterentropy.h
crypto: jitter - add header to fix buildwarnings
2019-10-18 18:49:40 +11:00
Kconfig
Merge branch 'rwonce/rework' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux
2020-06-10 14:46:54 -07:00
keywrap.c
crypto: skcipher - Add skcipher_ialg_simple helper
2019-12-27 18:18:04 +08:00
khazad.c
crypto: make all generic algorithms set cra_driver_name
2019-06-13 14:31:39 +08:00
kpp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
lrw.c
crypto - Avoid free() namespace collision
2020-05-08 15:30:41 +10:00
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
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.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
Makefile
crypto: ablkcipher - remove deprecated and unused ablkcipher support
2019-11-17 09:02:49 +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
memneq.c
…
michael_mic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
nhpoly1305.c
crypto: poly1305 - add new 32 and 64-bit generic versions
2020-01-16 15:18:12 +08:00
ofb.c
crypto: skcipher - Add skcipher_ialg_simple helper
2019-12-27 18:18:04 +08:00
pcbc.c
crypto: skcipher - Add skcipher_ialg_simple helper
2019-12-27 18:18:04 +08:00
pcrypt.c
crypto: pcrypt - simplify error handling in pcrypt_create_aead()
2020-03-06 12:28:24 +11:00
poly1305_generic.c
crypto: poly1305 - add new 32 and 64-bit generic versions
2020-01-16 15:18:12 +08:00
proc.c
crypto: proc - simplify the c_show function
2020-02-13 17:05:26 +08:00
ripemd.h
…
rmd128.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
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
rmd256.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
rmd320.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: rng - Fix a refcounting bug in crypto_rng_reset()
2020-02-13 16:58:09 +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: rsa-pkcs1pad - simplify error handling in pkcs1pad_create()
2020-03-06 12:28:24 +11:00
rsa.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
rsaprivkey.asn1
…
rsapubkey.asn1
…
salsa20_generic.c
crypto: run initcalls for generic implementations earlier
2019-04-18 22:15:03 +08:00
scatterwalk.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
scompress.c
crypto: algapi - make unregistration functions return void
2019-12-20 14:58:35 +08:00
seed.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seqiv.c
crypto: geniv - convert to new way of freeing instances
2020-01-09 11:30:57 +08:00
serpent_generic.c
crypto: x86 - Regularize glue function prototypes
2019-12-11 16:36:54 +08:00
sha1_generic.c
crypto: lib/sha1 - fold linux/cryptohash.h into crypto/sha.h
2020-05-08 15:32:17 +10:00
sha3_generic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sha256_generic.c
crypto: lib/sha256 - return void
2020-05-08 15:32:12 +10:00
sha512_generic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45
2019-05-24 17:27:12 +02:00
shash.c
crypto: hash - introduce crypto_shash_tfm_digest()
2020-05-08 15:32:12 +10:00
simd.c
crypto: remove propagation of CRYPTO_TFM_RES_* flags
2020-01-09 11:30:53 +08:00
skcipher.c
crypto: algapi - enforce that all instances have a ->free() method
2020-01-09 11:30:58 +08:00
sm3_generic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
sm4_generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
streebog_generic.c
crypto: streebog - remove two unused variables
2019-08-15 21:52:14 +10:00
tcrypt.c
crypto: tcrypt - fix printed skcipher [a]sync mode
2020-02-13 17:05:26 +08:00
tcrypt.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tea.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
testmgr.c
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2020-04-01 14:47:40 -07:00
testmgr.h
crypto: testmgr - generate inauthentic AEAD test vectors
2019-12-11 16:37:01 +08:00
tgr192.c
crypto: tgr192 - remove unneeded semicolon
2019-11-15 13:44:17 +08:00
twofish_common.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
twofish_generic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
vmac.c
crypto: shash - convert shash_free_instance() to new style
2020-01-09 11:30:57 +08:00
wp512.c
crypto: make all generic algorithms set cra_driver_name
2019-06-13 14:31:39 +08:00
xcbc.c
crypto: shash - convert shash_free_instance() to new style
2020-01-09 11:30:57 +08:00
xor.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 47
2019-05-24 17:27:13 +02:00
xts.c
crypto - Avoid free() namespace collision
2020-05-08 15:30:41 +10:00
xxhash_generic.c
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
zstd.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