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Jonathan Cameron 36d0a678fb crypto: af_alg - Fix race around ctx->rcvused by making it atomic_t 
[ Upstream commit af955bf15d ]

This variable was increased and decreased without any protection.
Result was an occasional misscount and negative wrap around resulting
in false resource allocation failures.

Fixes: 7d2c3f54e6 ("crypto: af_alg - remove locking in async callback")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-03-03 10:24:29 +01:00
..
internal crypto: hash - introduce crypto_hash_alg_has_setkey() 2018-02-16 20:22:59 +01:00
ablk_helper.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
acompress.h crypto: acomp - add driver-side scomp interface 2016-10-25 11:08:31 +08:00
aead.h crypto: doc - clarify AEAD memory structure 2016-12-13 16:38:06 -07:00
aes.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
akcipher.h crypto: akcipher - assume key is already set in maxsize 2017-06-10 12:04:29 +08:00
algapi.h crypto: algapi - make crypto_xor() take separate dst and src arguments 2017-08-04 09:27:15 +08:00
authenc.h crypto: authenc - Export key parsing helper function 2013-10-16 20:56:25 +08:00
b128ops.h [CRYPTO] lib: some common 128-bit block operations, nicely centralized 2006-12-06 18:38:55 -08:00
blowfish.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cast5.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cast6.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cast_common.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cbc.h crypto: cbc - Export CBC implementation 2016-11-28 21:23:21 +08:00
chacha20.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cryptd.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
crypto_wq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ctr.h [CRYPTO] ctr: Refactor into ctr and rfc3686 2008-01-11 08:16:41 +11:00
des.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dh.h crypto: kpp, (ec)dh - fix typos 2017-06-10 12:04:25 +08:00
drbg.h crypto: drbg - prevent invalid SG mappings 2016-11-30 19:46:44 +08:00
ecdh.h crypto: kpp, (ec)dh - fix typos 2017-06-10 12:04:25 +08:00
engine.h crypto: engine - replace pr_xxx by dev_xxx 2017-06-19 14:19:54 +08:00
gcm.h crypto: gcm - add GCM IV size constant 2018-02-03 17:38:49 +01:00
gf128mul.h crypto: gf128mul - switch gf128mul_x_ble to le128 2017-04-05 21:58:37 +08:00
ghash.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hash.h crypto: hash - prevent using keyed hashes without setting key 2018-02-16 20:23:00 +01:00
hash_info.h keys, trusted: select hash algorithm for TPM2 chips 2015-12-20 15:27:12 +02:00
hmac.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
if_alg.h crypto: af_alg - Fix race around ctx->rcvused by making it atomic_t 2018-03-03 10:24:29 +01:00
kpp.h crypto: kpp - add get/set_flags helpers 2017-07-18 17:50:57 +08:00
lrw.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mcryptd.h crypto: mcryptd - protect the per-CPU queue with a lock 2017-12-29 17:53:45 +01:00
md5.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
null.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
padlock.h crypto: padlock - Move padlock.h into include/crypto 2011-01-07 14:52:00 +11:00
pcrypt.h crypto: pcrypt - Add pcrypt crypto parallelization wrapper 2010-01-07 15:57:19 +11:00
pkcs7.h PKCS#7: Make trust determination dependent on contents of trust keyring 2016-04-06 16:14:24 +01:00
poly1305.h crypto: poly1305 - remove ->setkey() method 2018-02-16 20:23:00 +01:00
public_key.h KEYS: Keyring asymmetric key restrict method with chaining 2017-04-04 14:10:13 -07:00
rng.h crypto: doc - Fix typo in crypto-API.xml 2015-06-04 15:05:08 +08:00
scatterwalk.h crypto: scatterwalk - Inline start/map/done 2016-07-18 17:35:50 +08:00
serpent.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sha.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sha1_base.h crypto: sha1 - implement base layer for SHA-1 2015-04-10 21:39:39 +08:00
sha3.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sha256_base.h crypto: sha256 - implement base layer for SHA-256 2015-04-10 21:39:39 +08:00
sha512_base.h crypto: sha512 - implement base layer for SHA-512 2015-04-10 21:39:39 +08:00
skcipher.h crypto: skcipher - introduce walksize attribute for SIMD algos 2016-12-30 19:52:47 +08:00
twofish.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vmac.h crypto: vmac - Make VMAC work when blocks aren't aligned 2012-10-15 22:33:20 +08:00
xts.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00