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linux-stable/crypto
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Eric Biggers e4bd7d1d28 crypto: crct10dif-generic - fix use via crypto_shash_digest() 
commit 307508d107 upstream.

The ->digest() method of crct10dif-generic reads the current CRC value
from the shash_desc context.  But this value is uninitialized, causing
crypto_shash_digest() to compute the wrong result.  Fix it.

Probably this wasn't noticed before because lib/crc-t10dif.c only uses
crypto_shash_update(), not crypto_shash_digest().  Likewise,
crypto_shash_digest() is not yet tested by the crypto self-tests because
those only test the ahash API which only uses shash init/update/final.

This bug was detected by my patches that improve testmgr to fuzz
algorithms against their generic implementation.

Fixes: 2d31e518a4 ("crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework")
Cc: <stable@vger.kernel.org> # v3.11+
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 18:50:15 +02:00
..
asymmetric_keys Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
async_tx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
.gitignore
842.c crypto: acomp - add support for 842 via scomp 2016-10-25 11:08:33 +08:00
ablk_helper.c
ablkcipher.c crypto: skcipher - Fix -Wstringop-truncation warnings 2018-10-03 17:00:45 -07:00
acompress.c crypto: acomp - allow registration of multiple acomps 2017-04-21 20:30:50 +08:00
aead.c crypto: Replaced gcc specific attributes with macros from compiler.h 2017-01-13 00:24:39 +08:00
aes_generic.c crypto: aes-generic - drop alignment requirement 2017-02-11 17:50:43 +08:00
aes_ti.c crypto: aes_ti - disable interrupts while accessing S-box 2019-02-12 19:45:57 +01:00
af_alg.c net: crypto set sk to NULL when af_alg_release. 2019-02-23 09:06:42 +01:00
ahash.c crypto: hash - set CRYPTO_TFM_NEED_KEY if ->setkey() fails 2019-03-23 14:35:18 +01:00
akcipher.c crypto: Replaced gcc specific attributes with macros from compiler.h 2017-01-13 00:24:39 +08:00
algapi.c crypto: algapi - fix NULL dereference in crypto_remove_spawns() 2018-01-17 09:45:23 +01:00
algboss.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
algif_aead.c crypto: af_alg - Fix race around ctx->rcvused by making it atomic_t 2018-03-03 10:24:29 +01:00
algif_hash.c crypto: hash - prevent using keyed hashes without setting key 2018-02-16 20:23:00 +01:00
algif_rng.c
algif_skcipher.c crypto: af_alg - Fix race around ctx->rcvused by making it atomic_t 2018-03-03 10:24:29 +01:00
ansi_cprng.c
anubis.c
api.c evm: Don't deadlock if a crypto algorithm is unavailable 2018-09-26 08:38:09 +02:00
arc4.c
authenc.c crypto: authenc - fix parsing key with misaligned rta_len 2019-01-23 08:09:48 +01:00
authencesn.c crypto: authencesn - Avoid twice completion call in decrypt path 2019-01-23 08:09:47 +01:00
blkcipher.c crypto: skcipher - Fix -Wstringop-truncation warnings 2018-10-03 17:00:45 -07:00
blowfish_common.c
blowfish_generic.c
camellia_generic.c
cast5_generic.c
cast6_generic.c
cast_common.c
cbc.c crypto: cbc - Propagate NEED_FALLBACK bit 2017-03-09 18:34:39 +08:00
ccm.c crypto: ccm - preserve the IV buffer 2017-11-03 21:35:35 +08:00
chacha20_generic.c crypto: chacha20 - fix handling of chunked input 2017-08-22 14:45:47 +08:00
chacha20poly1305.c crypto: chacha20poly1305 - set cra_name correctly 2019-05-21 18:50:14 +02:00
cipher.c crypto: api - Remove no-op exit_ops code 2016-10-21 11:03:42 +08:00
cmac.c crypto: algapi - make crypto_xor() and crypto_inc() alignment agnostic 2017-02-11 17:52:28 +08:00
compress.c crypto: api - Remove no-op exit_ops code 2016-10-21 11:03:42 +08:00
crc32_generic.c crypto: hash - annotate algorithms taking optional key 2018-02-16 20:23:00 +01:00
crc32c_generic.c crypto: hash - annotate algorithms taking optional key 2018-02-16 20:23:00 +01:00
crct10dif_common.c
crct10dif_generic.c crypto: crct10dif-generic - fix use via crypto_shash_digest() 2019-05-21 18:50:15 +02:00
cryptd.c crypto: hash - annotate algorithms taking optional key 2018-02-16 20:23:00 +01:00
crypto_engine.c crypto: engine - replace pr_xxx by dev_xxx 2017-06-19 14:19:54 +08:00
crypto_null.c
crypto_user.c crypto: user - fix leaking uninitialized memory to userspace 2018-11-21 09:24:15 +01:00
crypto_wq.c
ctr.c crypto: algapi - make crypto_xor() take separate dst and src arguments 2017-08-04 09:27:15 +08:00
cts.c crypto: algapi - make crypto_xor() and crypto_inc() alignment agnostic 2017-02-11 17:52:28 +08:00
deflate.c crypto: scomp - add support for deflate rfc1950 (zlib) 2017-04-24 18:11:08 +08:00
des_generic.c
dh.c crypto: dh - Fix double free of ctx->p 2017-11-21 09:49:20 +01:00
dh_helper.c crypto: dh - Don't permit 'key' or 'g' size longer than 'p' 2017-11-21 09:49:21 +01:00
drbg.c crypto: drbg - set freed buffers to NULL 2018-05-01 12:58:23 -07:00
ecb.c
ecc.c crypto: ecc - Fix NULL pointer deref. on no default_rng 2018-03-19 08:42:49 +01:00
ecc.h crypto: ecdh - add privkey generation support 2017-06-10 12:04:35 +08:00
ecc_curve_defs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ecdh.c crypto: ecdh - fix concurrency on shared secret and pubkey 2017-08-03 13:47:22 +08:00
ecdh_helper.c crypto: kpp, (ec)dh - fix typos 2017-06-10 12:04:25 +08:00
echainiv.c
fcrypt.c
fips.c
gcm.c crypto: gcm - wait for crypto op not signal safe 2017-05-23 12:45:11 +08:00
gf128mul.c crypto: gf128mul - define gf128mul_x_* in gf128mul.h 2017-04-05 21:58:35 +08:00
ghash-generic.c
hash_info.c
hmac.c crypto: hmac - require that the underlying hash algorithm is unkeyed 2017-12-20 10:10:17 +01:00
internal.h crypto: api - Remove no-op exit_ops code 2016-10-21 11:03:42 +08:00
jitterentropy-kcapi.c crypto: jitterentropy - drop duplicate header module.h 2016-11-17 23:34:52 +08:00
jitterentropy.c
Kconfig crypto: aes_ti - disable interrupts while accessing S-box 2019-02-12 19:45:57 +01:00
keywrap.c
khazad.c
kpp.c crypto: Replaced gcc specific attributes with macros from compiler.h 2017-01-13 00:24:39 +08:00
lrw.c crypto: lrw - Fix out-of bounds access on counter overflow 2018-11-13 11:15:07 -08:00
lz4.c crypto: lz4 - fixed decompress function to return error code 2017-04-10 19:17:27 +08:00
lz4hc.c crypto: lz4 - fixed decompress function to return error code 2017-04-10 19:17:27 +08:00
lzo.c treewide: use kv[mz]alloc* rather than opencoded variants 2017-05-08 17:15:13 -07:00
Makefile crypto: aes-generic - fix aes-generic regression on powerpc 2018-09-19 22:43:37 +02:00
mcryptd.c crypto: hash - annotate algorithms taking optional key 2018-02-16 20:23:00 +01:00
md4.c
md5.c md5: remove from lib and only live in crypto 2017-03-24 22:02:56 +08:00
memneq.c
michael_mic.c
pcbc.c crypto: pcbc - remove bogus memcpy()s with src == dest 2019-03-23 14:35:21 +01:00
pcrypt.c crypto: pcrypt - fix freeing pcrypt instances 2018-01-10 09:31:18 +01:00
poly1305_generic.c crypto: poly1305 - remove ->setkey() method 2018-02-16 20:23:00 +01:00
proc.c
ripemd.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rmd128.c
rmd160.c
rmd256.c
rmd320.c
rng.c crypto: rng - ensure that the RNG is ready before using 2017-07-28 17:56:00 +08:00
rsa-pkcs1pad.c crypto: rsa-pkcs1pad - use constant time memory comparison for MACs 2017-06-20 11:21:19 +08:00
rsa.c crypto: rsa - comply with crypto_akcipher_maxsize() 2017-06-10 12:04:30 +08:00
rsa_helper.c crypto: rsa - fix buffer overread when stripping leading zeroes 2017-12-20 10:10:17 +01:00
rsaprivkey.asn1
rsapubkey.asn1
salsa20_generic.c crypto: salsa20 - fix blkcipher_walk API usage 2017-12-20 10:10:17 +01:00
scatterwalk.c crypto: scatterwalk - Remove unnecessary aliasing check in map_and_copy 2016-11-22 15:02:25 +08:00
scompress.c crypto: scompress - defer allocation of scratch buffer to first use 2017-08-03 13:52:44 +08:00
seed.c
seqiv.c crypto: algapi - make crypto_xor() and crypto_inc() alignment agnostic 2017-02-11 17:52:28 +08:00
serpent_generic.c crypto: serpent - improve __serpent_setkey with UBSAN 2017-08-09 20:17:54 +08:00
sha1_generic.c
sha3_generic.c crypto: sha3-generic - fixes for alignment and big endian operation 2018-02-03 17:38:51 +01:00
sha256_generic.c
sha512_generic.c
shash.c crypto: hash - set CRYPTO_TFM_NEED_KEY if ->setkey() fails 2019-03-23 14:35:18 +01:00
simd.c crypto: simd - correctly take reqsize of wrapped skcipher into account 2018-12-01 09:42:53 +01:00
skcipher.c crypto: skcipher - don't WARN on unprocessed data after slow walk step 2019-05-21 18:50:14 +02:00
tcrypt.c crypto: tcrypt - fix ghash-generic speed test 2018-11-13 11:15:07 -08:00
tcrypt.h
tea.c
testmgr.c crypto: testmgr - skip crc32c context test for ahash algorithms 2019-03-23 14:35:18 +01:00
testmgr.h crypto: x86/poly1305 - fix overflow during partial reduction 2019-04-27 09:35:37 +02:00
tgr192.c
twofish_common.c
twofish_generic.c
vmac.c crypto: vmac - separate tfm and request context 2018-08-17 21:01:10 +02:00
wp512.c
xcbc.c
xor.c kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK 2018-02-22 15:42:23 +01:00
xts.c crypto: xts - Fix an error handling path in 'create()' 2017-10-07 12:04:31 +08:00