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android_kernel_samsung_msm8976/crypto
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Herbert Xu 2182d4a822 crypto: ahash - Fix EINPROGRESS notification callback 
commit ef0579b64e93188710d48667cb5e014926af9f1b upstream.

The ahash API modifies the request's callback function in order
to clean up after itself in some corner cases (unaligned final
and missing finup).

When the request is complete ahash will restore the original
callback and everything is fine.  However, when the request gets
an EBUSY on a full queue, an EINPROGRESS callback is made while
the request is still ongoing.

In this case the ahash API will incorrectly call its own callback.

This patch fixes the problem by creating a temporary request
object on the stack which is used to relay EINPROGRESS back to
the original completion function.

This patch also adds code to preserve the original flags value.

Fixes: ab6bf4e5e5e4 ("crypto: hash - Fix the pointer voodoo in...")
Change-Id: I26c18f53720cedccc313ba773214724479909205
Reported-by: Sabrina Dubroca <sd@queasysnail.net>
Tested-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2017-07-10 21:29:23 +00:00
..
asymmetric_keys X.509: Remove certificate date checks 2013-12-04 10:57:33 -08:00
async_tx raid6test: use prandom_bytes() 2013-04-29 18:28:42 -07:00
842.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
Kconfig arm: crypto: Add optimized SHA-256/224 2015-09-16 18:20:15 +05:30
Makefile crypto: create generic version of ablk_helper 2014-08-15 17:22:16 -07:00
ablk_helper.c crypto: ablk_helper - Replace memcpy with struct assignment 2015-03-19 14:52:28 -07:00
ablkcipher.c crypto: api - Only abort operations on fatal signal 2015-11-09 10:12:59 -08:00
aead.c
…
aes_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
af_alg.c Revert: "crypto: af_alg - Disallow bind/setkey/... after accept(2)" 2016-03-16 08:41:37 -07:00
ahash.c crypto: ahash - Fix EINPROGRESS notification callback 2017-07-10 21:29:23 +00:00
algapi.c crypto: api - Only abort operations on fatal signal 2015-11-09 10:12:59 -08:00
algboss.c crypto: algboss - Hold ref count on larval 2013-06-25 19:15:17 +08:00
algif_hash.c crypto: algif_hash - wait for crypto_ahash_init() to complete 2016-02-19 14:22:41 -08:00
algif_skcipher.c crypto: algif - avoid excessive use of socket buffer in skcipher 2014-11-14 08:48:00 -08:00
ansi_cprng.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
anubis.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
api.c crypto: api - Only abort operations on fatal signal 2015-11-09 10:12:59 -08:00
arc4.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
authenc.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
authencesn.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
blkcipher.c crypto: allow blkcipher walks over AEAD data 2014-08-15 17:22:16 -07:00
blowfish_common.c
…
blowfish_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
camellia_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
cast5_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
cast6_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
cast_common.c
…
cbc.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
ccm.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
chainiv.c This is the 3.10.67 stable release 2015-04-24 18:04:40 -07:00
cipher.c
…
cmac.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
compress.c
…
crc32.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
crc32c.c crypto: crc32c - add missing crypto module alias 2015-02-11 14:48:18 +08:00
cryptd.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
crypto_null.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
crypto_user.c crypto: user - lock crypto_alg_list on alg dump 2016-02-19 14:22:41 -08:00
crypto_wq.c crypto: crypto_wq - Fix late crypto work queue initialization 2014-06-07 13:25:35 -07:00
ctr.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
cts.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
deflate.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
des_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
ecb.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
eseqiv.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
fcrypt.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
fips.c
…
gcm.c crypto: gcm - Fix rfc4543 decryption crash 2016-06-07 10:42:50 +02:00
gf128mul.c
…
ghash-generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
hmac.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
internal.h crypto: algboss - Hold ref count on larval 2013-06-25 19:15:17 +08:00
khazad.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
krng.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
lrw.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
lzo.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
md4.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
md5.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
michael_mic.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
pcbc.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
pcompress.c
…
pcrypt.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
proc.c
…
ripemd.h
…
rmd128.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
rmd160.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
rmd256.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
rmd320.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
rng.c
…
salsa20_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
scatterwalk.c
…
seed.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00
seqiv.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
serpent_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
sha1_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
sha256_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
sha512_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
shash.c
…
tcrypt.c
…
tcrypt.h
…
tea.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
testmgr.c crypto: camellia - add AVX2/AES-NI/x86_64 assembler implementation of camellia cipher 2013-04-25 21:09:07 +08:00
testmgr.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2013-05-02 14:53:12 -07:00
tgr192.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
twofish_common.c
…
twofish_generic.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
vmac.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
wp512.c crypto: add missing crypto module aliases 2015-01-29 17:40:57 -08:00
xcbc.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
xor.c
…
xts.c crypto: include crypto- module prefix in template 2015-01-29 17:40:57 -08:00
zlib.c crypto: prefix module autoloading with "crypto-" 2015-01-29 17:40:57 -08:00