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linux/include/crypto
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Ard Biesheuvel 69f1a9702d crypto: api - check for ERR pointers in crypto_destroy_tfm() 
[ Upstream commit 83681f2beb ]

Given that crypto_alloc_tfm() may return ERR pointers, and to avoid
crashes on obscure error paths where such pointers are presented to
crypto_destroy_tfm() (such as [0]), add an ERR_PTR check there
before dereferencing the second argument as a struct crypto_tfm
pointer.

[0] https://lore.kernel.org/linux-crypto/000000000000de949705bc59e0f6@google.com/

Reported-by: syzbot+12cf5fbfdeba210a89dd@syzkaller.appspotmail.com
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-05-11 14:04:05 +02:00
..
internal crypto: algif_skcipher - Use chunksize instead of blocksize 2020-01-17 19:48:46 +01:00
acompress.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +02:00
aead.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +02:00
aes.h crypto: aes - helper function to validate key length for AES algorithms 2019-08-09 15:11:43 +10:00
akcipher.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +02:00
algapi.h crypto: api - Remove redundant #ifdef in crypto_yield() 2019-08-02 14:45:13 +10:00
arc4.h crypto: arc4 - refactor arc4 core code into separate library 2019-06-20 14:18:33 +08:00
asym_tpm_subtype.h KEYS: asym_tpm: extract key size & public key [ver #2] 2018-10-26 09:30:46 +01:00
authenc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
b128ops.h
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 crypto: x86 - Regularize glue function prototypes 2021-03-20 10:39:47 +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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
chacha.h crypto: chacha - constify ctx and iv arguments 2019-06-13 14:31:40 +08:00
cryptd.h crypto: cryptd - remove ability to instantiate ablkciphers 2019-04-18 22:15:04 +08:00
ctr.h crypto: ctr - add helper for performing a CTR encryption walk 2019-07-26 14:56:07 +10:00
des.h crypto: des - remove now unused __des3_ede_setkey() 2019-08-22 14:57:33 +10:00
dh.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
drbg.h crypto: drbg - add FIPS 140-2 CTRNG for noise source 2019-05-23 14:01:06 +08:00
ecdh.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
engine.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gcm.h crypto: gcm - helper functions for assoclen/authsize check 2019-08-09 15:11:41 +10:00
gf128mul.h crypto: gf128mul - The x8_ble multiplication functions 2017-11-03 21:50:43 +08:00
ghash.h crypto: ghash - add comment and improve help text 2019-07-27 21:08:38 +10:00
hash_info.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
hash.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +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: algif_aead - Only wake up when ctx->more is zero 2020-08-21 13:05:30 +02:00
kpp.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +02:00
md5.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nhpoly1305.h crypto: nhpoly1305 - add NHPoly1305 support 2018-11-20 14:26:56 +08:00
null.h crypto: null - Remove VLA usage of skcipher 2018-09-28 12:46:08 +08:00
padlock.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pcrypt.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
pkcs7.h PKCS#7: Introduce pkcs7_get_digest() 2019-08-05 18:40:19 -04:00
poly1305.h crypto: poly1305 - add Poly1305 core API 2018-11-20 14:26:56 +08:00
public_key.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
rng.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +02:00
scatterwalk.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
serpent.h crypto: x86 - Regularize glue function prototypes 2021-03-20 10:39:47 +01:00
sha1_base.h crypto: add header include guards 2019-08-02 14:44:02 +10:00
sha3.h crypto: sha3-generic - export init/update/final routines 2018-01-26 01:10:34 +11:00
sha256_base.h crypto: sha256 - Remove sha256/224_init code duplication 2019-09-05 14:54:54 +10:00
sha512_base.h crypto: add header include guards 2019-08-02 14:44:02 +10:00
sha.h crypto: sha256 - Remove sha256/224_init code duplication 2019-09-05 14:54:54 +10:00
skcipher.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +02:00
sm3_base.h crypto: add header include guards 2019-08-02 14:44:02 +10:00
sm3.h crypto: sm3 - add OSCCA SM3 secure hash 2017-09-22 17:43:07 +08:00
sm4.h crypto: sm4 - export encrypt/decrypt routines to other drivers 2018-05-05 14:52:51 +08:00
streebog.h crypto: streebog - fix unaligned memory accesses 2019-04-08 14:42:55 +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
xts.h crypto: x86 - Regularize glue function prototypes 2021-03-20 10:39:47 +01:00