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83681f2beb
linux/include/crypto
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Ard Biesheuvel 83681f2beb crypto: api - check for ERR pointers in crypto_destroy_tfm() 
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>
2021-03-13 00:04:01 +11:00
..
internal crypto: x86 - remove glue helper module 2021-01-14 17:10:29 +11:00
acompress.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-03-13 00:04:01 +11:00
aead.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-03-13 00:04:01 +11:00
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() 2021-03-13 00:04:01 +11:00
algapi.h crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
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
blake2b.h crypto: blake2b - sync with blake2s implementation 2021-01-03 08:41:39 +11:00
blake2s.h crypto: blake2s - include <linux/bug.h> instead of <asm/bug.h> 2021-01-03 08:41:39 +11:00
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 crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN 2020-01-09 11:30:53 +08:00
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
chacha20poly1305.h crypto: lib/chacha20poly1305 - Add missing function declaration 2020-07-16 21:49:04 +10:00
chacha.h crypto: x86/chacha-sse3 - use unaligned loads for state array 2020-07-16 21:49:04 +10:00
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
curve25519.h crypto: lib/curve25519 - Move selftest prototype into header file 2020-11-20 14:45:33 +11:00
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 - always seeded with SP800-90B compliant noise source 2020-04-24 17:42:17 +10:00
ecdh.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
engine.h crypto: engine - support for batch requests 2020-05-08 15:30:40 +10:00
gcm.h crypto: gcm - helper functions for assoclen/authsize check 2019-08-09 15:11:41 +10:00
gf128mul.h mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
ghash.h crypto: ghash - add comment and improve help text 2019-07-27 21:08:38 +10:00
hash_info.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
hash.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-03-13 00:04:01 +11:00
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 - add extra parameters for DRBG interface 2020-09-25 17:48:52 +10:00
kpp.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-03-13 00:04:01 +11:00
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: poly1305 - add new 32 and 64-bit generic versions 2020-01-16 15:18:12 +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 new 32 and 64-bit generic versions 2020-01-16 15:18:12 +08:00
public_key.h crypto: public_key: Remove redundant header file from public_key.h 2021-01-21 16:16:10 +00:00
rng.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-03-13 00:04:01 +11:00
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 2019-12-11 16:36:54 +08:00
sha1_base.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
sha1.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
sha2.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
sha3.h crypto: sha3-generic - export init/update/final routines 2018-01-26 01:10:34 +11:00
sha256_base.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
sha512_base.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
skcipher.h crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-03-13 00:04:01 +11:00
sm2.h crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithm 2020-09-25 17:48:54 +10:00
sm3_base.h crypto: hash - Use memzero_explicit() for clearing state 2020-10-30 17:35:03 +11:00
sm3.h crypto: sm3 - export crypto_sm3_final function 2020-09-25 17:48:53 +10:00
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 crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN 2020-01-09 11:30:53 +08:00
xts.h crypto: remove CRYPTO_TFM_RES_WEAK_KEY 2020-01-09 11:30:53 +08:00