AuxXxilium/linux_dsm_epyc7002
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007ee8dec6
linux_dsm_epyc7002/crypto
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Horia Geant? 007ee8dec6 crypto: tcrypt - fix uninit sg entries in test_acipher_speed 
Commit 5be4d4c94b ("crypto: replace scatterwalk_sg_next with sg_next")
did not consider the fact that scatterwalk_sg_next() was looking at
sg entry length, while sg_next() looks at the "chained" sg bit.

This should have no effect in theory. However in practice, there are
cases where the sg table is initialized to a number of entries and
some of them are not properly configured. While scatterwalk_sg_next()
would have returned NULL (since sg length = 0 and sg page_link = 0),
sg_next() happily returns the next unconfigured sg entry.

insmod tcrypt.ko mode=500 sec=1

testing speed of async cbc(aes) (cbc-aes-talitos) encryption
test 0 (128 bit key, 16 byte blocks):
Unable to handle kernel paging request for data at address 0x00000000
Faulting instruction address: 0xc00d79e4
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=8 P1022 DS
Modules linked in: tcrypt(+) talitos
CPU: 0 PID: 2670 Comm: insmod Not tainted 4.0.0-rc1-QorIQ-SDK-V1.6+g904f1ca82209 #1
task: e8de3200 ti: e70bc000 task.ti: e70bc000
NIP: c00d79e4 LR: f92d223c CTR: c00d79c8
REGS: e70bda00 TRAP: 0300   Not tainted  (4.0.0-rc1-QorIQ-SDK-V1.6+g904f1ca82209)
MSR: 00029000 <CE,EE,ME>  CR: 84428f22  XER: 00000000
DEAR: 00000000 ESR: 00000000
GPR00: f92d223c e70bdab0 e8de3200 00000000 e70bdbb8 00000001 00000000 00000000
GPR08: 00000000 00000000 c08b0380 27282010 c00d79c8 1003a634 00000000 e70bdf1c
GPR16: e70bdef0 00000020 00000000 c08c0000 00000010 00000000 e70bdbb8 00000010
GPR24: e976d3a8 00000010 00000000 e70bdbd8 e8961010 00000001 c086e560 00000000
NIP [c00d79e4] page_address+0x1c/0x110
LR [f92d223c] talitos_map_sg+0x130/0x184 [talitos]
Call Trace:
[e70bdab0] [00000010] 0x10 (unreliable)
[e70bdad0] [f92d223c] talitos_map_sg+0x130/0x184 [talitos]
[e70bdb00] [f92d30d8] common_nonsnoop.constprop.13+0xc0/0x304 [talitos]
[e70bdb30] [f933fd90] test_acipher_speed+0x434/0x7dc [tcrypt]
[e70bdcc0] [f934318c] do_test+0x2478/0x306c [tcrypt]
[e70bdd80] [f11fe058] tcrypt_mod_init+0x58/0x100 [tcrypt]
[e70bdda0] [c0002354] do_one_initcall+0x90/0x1f4
[e70bde10] [c061fe00] do_init_module+0x60/0x1ac
[e70bde30] [c00a79f0] load_module+0x185c/0x1f88
[e70bdee0] [c00a82b0] SyS_finit_module+0x7c/0x98
[e70bdf40] [c000e8b0] ret_from_syscall+0x0/0x3c

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-03-12 01:11:05 +11:00
..
asymmetric_keys Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2014-10-12 10:13:55 -04:00
async_tx dmaengine: fix xor sources continuation 2014-08-21 10:20:52 -07:00
842.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
ablk_helper.c crypto: ablk_helper - Replace memcpy with struct assignment 2013-10-07 14:16:57 +08:00
ablkcipher.c crypto: replace scatterwalk_sg_next with sg_next 2015-01-26 11:34:22 +11:00
aead.c crypto: aead - fixed style error in aead.c 2014-12-22 23:02:35 +11:00
aes_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
af_alg.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-02-14 09:47:01 -08:00
ahash.c crypto: replace scatterwalk_sg_next with sg_next 2015-01-26 11:34:22 +11:00
algapi.c crypto: api - fixed style erro in algapi.c 2014-12-22 23:02:37 +11:00
algboss.c crypto: algboss - Hold ref count on larval 2013-06-25 19:15:17 +08:00
algif_aead.c crypto: algif - add AEAD support 2015-03-04 22:12:39 +13:00
algif_hash.c crypto: switch af_alg_make_sg() to iov_iter 2015-02-04 01:34:15 -05:00
algif_rng.c crypto: algif_rng - fix sparse non static symbol warning 2015-01-14 21:57:57 +11:00
algif_skcipher.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-02-14 09:47:01 -08:00
ansi_cprng.c crypto: rng - RNGs must return 0 in success case 2015-03-09 21:06:18 +11:00
anubis.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
api.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
arc4.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
authenc.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
authencesn.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
blkcipher.c crypto: allow blkcipher walks over AEAD data 2014-03-10 20:17:11 +08:00
blowfish_common.c crypto: blowfish - split generic and common c code 2011-09-22 21:25:25 +10:00
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: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
ccm.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
chainiv.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
cipher.c crypto: cipher - Fix checkpatch errors 2010-02-16 20:31:37 +08:00
cmac.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
compress.c crypto: compress - Fix checkpatch errors 2010-02-16 20:31:04 +08:00
crc32.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
crc32c_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
crct10dif_common.c crypto: crct10dif - Add fallback for broken initrds 2013-09-12 15:31:34 +10:00
crct10dif_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
cryptd.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
crypto_null.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
crypto_user.c crypto: user - add MODULE_ALIAS 2014-11-26 20:06:29 +08:00
crypto_wq.c crypto: crypto_wq - Fix late crypto work queue initialization 2014-03-21 21:54:28 +08:00
ctr.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
cts.c crypto: cts - Weed out non-CBC algorithms 2015-01-20 14:44:15 +11:00
deflate.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
des_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
drbg.c crypto: rng - RNGs must return 0 in success case 2015-03-09 21:06:18 +11:00
ecb.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
eseqiv.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
fcrypt.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
fips.c crypto: api - Add fips_enable flag 2008-08-29 15:50:02 +10:00
gcm.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
gf128mul.c crypto: gf128mul - fix call to memset() 2011-07-08 17:21:21 +08:00
ghash-generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
hash_info.c crypto: provide single place for hash algo information 2013-10-25 17:14:03 -04:00
hmac.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
internal.h crypto: algboss - Hold ref count on larval 2013-06-25 19:15:17 +08:00
Kconfig crypto: octeon - enable OCTEON SHA1/256/512 module selection 2015-03-10 20:49:34 +11:00
khazad.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
krng.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
lrw.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
lz4.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
lz4hc.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
lzo.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
Makefile crypto: algif - enable AEAD interface compilation 2015-03-04 22:12:39 +13:00
mcryptd.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
md4.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
md5.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +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: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
pcompress.c crypto: user - fix info leaks in report API 2013-02-19 20:27:03 +08:00
pcrypt.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
proc.c crypto: add module.h to those files that are explicitly using it 2011-10-31 19:31:11 -04:00
ripemd.h [CRYPTO] ripemd: Put all common RIPEMD values in header file 2008-07-10 20:35:12 +08:00
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: user - fix info leaks in report API 2013-02-19 20:27:03 +08:00
salsa20_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
scatterwalk.c crypto: replace scatterwalk_sg_next with sg_next 2015-01-26 11:34:22 +11:00
seed.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
seqiv.c crypto: seqiv - Ensure that IV size is at least 8 bytes 2015-01-20 14:44:16 +11:00
serpent_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
sha1_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
sha256_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
sha512_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
shash.c crypto: LLVMLinux: aligned-attribute.patch 2014-06-07 11:44:39 -07:00
tcrypt.c crypto: tcrypt - fix uninit sg entries in test_acipher_speed 2015-03-12 01:11:05 +11:00
tcrypt.h crypto: tcrypt - Added speed tests for AEAD crypto alogrithms in tcrypt test suite 2013-12-20 20:06:25 +08:00
tea.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
testmgr.c crypto: testmgr - limit IV copy length in aead tests 2015-02-04 20:59:41 +11:00
testmgr.h crypto: testmgr - add test for lz4 and lz4hc 2014-08-29 21:46:36 +08:00
tgr192.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
twofish_common.c crypto: twofish-x86_64-3way - add lrw support 2011-11-09 11:53:32 +08:00
twofish_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
vmac.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
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 add further __init annotations to crypto/xor.c 2012-10-11 13:42:32 +11:00
xts.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
zlib.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00