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Herbert Xu 4fa9dd9ce2 crypto: api - Check spawn->alg under lock in crypto_drop_spawn 
commit 7db3b61b6bba4310f454588c2ca6faf2958ad79f upstream.

We need to check whether spawn->alg is NULL under lock as otherwise
the algorithm could be removed from under us after we have checked
it and found it to be non-NULL.  This could cause us to remove the
spawn from a non-existent list.

Fixes: 7ede5a5ba55a ("crypto: api - Fix crypto_drop_spawn crash...")
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-14 16:32:12 -05:00
..
asymmetric_keys
crypto: asymmetric_keys - select CRYPTO_HASH where needed
2019-07-31 07:28:31 +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
crypto: rsa - add .gitignore for crypto/*.-asn1.[ch] files
2015-06-25 23:29:24 +08:00
842.c
crypto: acomp - add support for 842 via scomp
2016-10-25 11:08:33 +08:00
ablk_helper.c
crypto: ablk_helper - Fix cryptd reordering
2016-06-23 18:29:53 +08:00
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
crypto: af_alg - Use bh_lock_sock in sk_destruct
2020-02-05 14:18:10 +00:00
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: api - Check spawn->alg under lock in crypto_drop_spawn
2020-02-14 16:32:12 -05:00
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
crypto: algif_rng - Remove obsolete const-removal cast
2015-04-22 09:30:21 +08:00
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
crypto: ansi_cprng - Convert to new rng interface
2015-04-22 09:30:18 +08:00
anubis.c
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
api.c
evm: Don't deadlock if a crypto algorithm is unavailable
2018-09-26 08:38:09 +02:00
arc4.c
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
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
crypto: add missing crypto module aliases
2015-01-13 22:29:11 +11:00
camellia_generic.c
crypto: add missing crypto module aliases
2015-01-13 22:29:11 +11:00
cast5_generic.c
crypto: add missing crypto module aliases
2015-01-13 22:29:11 +11:00
cast6_generic.c
crypto: add missing crypto module aliases
2015-01-13 22:29:11 +11:00
cast_common.c
crypto: make tables used from assembler __visible
2013-08-14 20:42:03 +10:00
cbc.c
crypto: cbc - Propagate NEED_FALLBACK bit
2017-03-09 18:34:39 +08:00
ccm.c
crypto: ccm - fix incompatibility between "ccm" and "ccm_base"
2019-05-21 18:50:20 +02:00
chacha20_generic.c
crypto: chacha20 - fix handling of chunked input
2017-08-22 14:45:47 +08:00
chacha20poly1305.c
crypto: chacha20poly1305 - fix atomic sleep when using async algorithm
2019-07-31 07:28:35 +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
crypto: crct10dif - Add fallback for broken initrds
2013-09-12 15:31:34 +10:00
crct10dif_generic.c
crypto: crct10dif-generic - fix use via crypto_shash_digest()
2019-05-21 18:50:15 +02:00
cryptd.c
crypto: cryptd - Fix skcipher instance memory leak
2019-07-10 09:54:38 +02:00
crypto_engine.c
crypto: engine - replace pr_xxx by dev_xxx
2017-06-19 14:19:54 +08:00
crypto_null.c
crypto: null - Remove default null blkcipher
2016-07-18 17:35:44 +08:00
crypto_user.c
crypto: user - fix memory leak in crypto_report
2019-12-17 20:38:55 +01:00
crypto_wq.c
crypto: crypto_wq - Fix late crypto work queue initialization
2014-03-21 21:54:28 +08:00
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
crypto: add missing crypto module aliases
2015-01-13 22:29:11 +11:00
dh_helper.c
crypto: dh - Don't permit 'key' or 'g' size longer than 'p'
2017-11-21 09:49:21 +01:00
dh.c
crypto: dh - Fix double free of ctx->p
2017-11-21 09:49:20 +01:00
drbg.c
crypto: drbg - set freed buffers to NULL
2018-05-01 12:58:23 -07:00
ecb.c
crypto: include crypto- module prefix in template
2014-11-26 20:06:30 +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
ecc.c
crypto: ecdh - fix big endian bug in ECC library
2019-12-17 20:38:55 +01:00
ecc.h
crypto: ecdh - add privkey generation support
2017-06-10 12:04:35 +08:00
ecdh_helper.c
crypto: kpp, (ec)dh - fix typos
2017-06-10 12:04:25 +08:00
ecdh.c
crypto: ecdh - fix concurrency on shared secret and pubkey
2017-08-03 13:47:22 +08:00
echainiv.c
crypto: echainiv - Replace chaining with multiplication
2016-09-13 18:44:57 +08:00
fcrypt.c
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
fips.c
crypto: fips - Move fips_enabled sysctl into fips.c
2015-04-23 14:18:09 +08:00
gcm.c
crypto: gcm - fix incompatibility between "gcm" and "gcm_base"
2019-05-21 18:50:15 +02:00
gf128mul.c
crypto: gf128mul - define gf128mul_x_* in gf128mul.h
2017-04-05 21:58:35 +08:00
ghash-generic.c
crypto: ghash - fix unaligned memory access in ghash_setkey()
2019-07-31 07:28:35 +02:00
hash_info.c
keys, trusted: select hash algorithm for TPM2 chips
2015-12-20 15:27:12 +02:00
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
crypto: jitterentropy - Delete unnecessary checks before the function call "kzfree"
2015-06-25 23:18:33 +08:00
Kconfig
crypto: aes_ti - disable interrupts while accessing S-box
2019-02-12 19:45:57 +01:00
keywrap.c
crypto: keywrap - memzero the correct memory
2016-02-01 22:27:05 +08:00
khazad.c
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
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
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
md5.c
md5: remove from lib and only live in crypto
2017-03-24 22:02:56 +08:00
memneq.c
crypto: memneq - fix for archs without efficient unaligned access
2013-12-09 20:09:12 +08:00
michael_mic.c
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
pcbc.c
crypto: pcbc - remove bogus memcpy()s with src == dest
2019-03-23 14:35:21 +01:00
pcrypt.c
crypto: pcrypt - Fix user-after-free on module unload
2020-02-05 14:18:11 +00:00
poly1305_generic.c
crypto: poly1305 - remove ->setkey() method
2018-02-16 20:23:00 +01:00
proc.c
crypto: fips - Move fips_enabled sysctl into fips.c
2015-04-23 14:18:09 +08:00
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
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
rmd160.c
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
rmd256.c
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
rmd320.c
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
rng.c
crypto: rng - ensure that the RNG is ready before using
2017-07-28 17:56:00 +08:00
rsa_helper.c
crypto: rsa - fix buffer overread when stripping leading zeroes
2017-12-20 10:10:17 +01:00
rsa-pkcs1pad.c
crypto: fix a memory leak in rsa-kcs1pad's encryption mode
2019-11-20 18:00:47 +01:00
rsa.c
crypto: rsa - comply with crypto_akcipher_maxsize()
2017-06-10 12:04:30 +08:00
rsaprivkey.asn1
crypto: rsa - Store rest of the private key components
2016-07-05 23:05:26 +08:00
rsapubkey.asn1
crypto: akcipher - Changes to asymmetric key API
2015-10-14 22:23:16 +08:00
salsa20_generic.c
crypto: salsa20 - don't access already-freed walk.iv
2019-05-21 18:50:19 +02:00
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
crypto: prefix module autoloading with "crypto-"
2014-11-24 22:43:57 +08:00
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 - mark __serpent_setkey_sbox noinline
2019-07-31 07:28:30 +02:00
sha1_generic.c
crypto: hash - add zero length message hash for shax and md5
2015-12-22 20:43:35 +08:00
sha3_generic.c
crypto: sha3-generic - fixes for alignment and big endian operation
2018-02-03 17:38:51 +01:00
sha256_generic.c
crypto: hash - add zero length message hash for shax and md5
2015-12-22 20:43:35 +08:00
sha512_generic.c
crypto: sha512-generic - move to generic glue implementation
2015-04-10 21:39:41 +08:00
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 - Unmap pages after an external error
2019-10-11 18:18:32 +02:00
tcrypt.c
crypto: tcrypt - fix ghash-generic speed test
2018-11-13 11:15:07 -08:00
tcrypt.h
crypto: tcrypt - Add ChaCha20/Poly1305 speed tests
2015-07-17 21:20:20 +08:00
tea.c
crypto: add missing crypto module aliases
2015-01-13 22:29:11 +11:00
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
crypto: tgr192 - fix unaligned memory access
2020-01-27 14:46:13 +01:00
twofish_common.c
…
twofish_generic.c
crypto: add missing crypto module aliases
2015-01-13 22:29:11 +11:00
vmac.c
crypto: vmac - separate tfm and request context
2018-08-17 21:01:10 +02:00
wp512.c
crypto: add missing crypto module aliases
2015-01-13 22:29:11 +11:00
xcbc.c
crypto: include crypto- module prefix in template
2014-11-26 20:06:30 +08:00
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