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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/crypto
История
Eric Dumazet 2520611151 crypto: af_alg - get rid of alg_memory_allocated 
alg_memory_allocated does not seem to be really used.

alg_proto does have a .memory_allocated field, but no
corresponding .sysctl_mem.

This means sk_has_account() returns true, but all sk_prot_mem_limits()
users will trigger a NULL dereference [1].

THis was not a problem until SO_RESERVE_MEM addition.

general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 3591 Comm: syz-executor153 Not tainted 5.17.0-rc3-syzkaller-00316-gb81b1829e7e3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sk_prot_mem_limits include/net/sock.h:1523 [inline]
RIP: 0010:sock_reserve_memory+0x1d7/0x330 net/core/sock.c:1000
Code: 08 00 74 08 48 89 ef e8 27 20 bb f9 4c 03 7c 24 10 48 8b 6d 00 48 83 c5 08 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 fb 1f bb f9 48 8b 6d 00 4c 89 ff 48
RSP: 0018:ffffc90001f1fb68 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff88814aabc000 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff90e18120
RBP: 0000000000000008 R08: dffffc0000000000 R09: fffffbfff21c3025
R10: fffffbfff21c3025 R11: 0000000000000000 R12: ffffffff8d109840
R13: 0000000000001002 R14: 0000000000000001 R15: 0000000000000001
FS:  0000555556e08300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc74416f130 CR3: 0000000073d9e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sock_setsockopt+0x14a9/0x3a30 net/core/sock.c:1446
 __sys_setsockopt+0x5af/0x980 net/socket.c:2176
 __do_sys_setsockopt net/socket.c:2191 [inline]
 __se_sys_setsockopt net/socket.c:2188 [inline]
 __x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2188
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc7440fddc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe98f07968 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc7440fddc9
RDX: 0000000000000049 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000004 R09: 00007ffe98f07990
R10: 0000000020000000 R11: 0000000000000246 R12: 00007ffe98f0798c
R13: 00007ffe98f079a0 R14: 00007ffe98f079e0 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:sk_prot_mem_limits include/net/sock.h:1523 [inline]
RIP: 0010:sock_reserve_memory+0x1d7/0x330 net/core/sock.c:1000
Code: 08 00 74 08 48 89 ef e8 27 20 bb f9 4c 03 7c 24 10 48 8b 6d 00 48 83 c5 08 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 fb 1f bb f9 48 8b 6d 00 4c 89 ff 48
RSP: 0018:ffffc90001f1fb68 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff88814aabc000 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff90e18120
RBP: 0000000000000008 R08: dffffc0000000000 R09: fffffbfff21c3025
R10: fffffbfff21c3025 R11: 0000000000000000 R12: ffffffff8d109840
R13: 0000000000001002 R14: 0000000000000001 R15: 0000000000000001
FS:  0000555556e08300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc74416f130 CR3: 0000000073d9e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

Fixes: 2bb2f5fb21 ("net: add new socket option SO_RESERVE_MEM")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Wei Wang <weiwan@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2022-02-15 14:29:04 +00:00
..
asymmetric_keys keys: X.509 public key issuer lookup without AKID 2022-01-09 00:18:42 +02:00
async_tx async_xor: check src_offs is not NULL before updating it 2021-06-10 19:40:14 -07:00
842.c
…
Kconfig lib/crypto: add prompts back to crypto libraries 2022-01-18 13:03:55 +01:00
Makefile crypto: kdf - add SP800-108 counter key derivation function 2021-11-26 16:25:17 +11:00
acompress.c
…
adiantum.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
aead.c
…
aegis.h crypto: aegis128 - Move simd prototypes into aegis.h 2021-03-19 21:59:45 +11:00
aegis128-core.c crypto: aegis128 - Move simd prototypes into aegis.h 2021-03-19 21:59:45 +11:00
aegis128-neon-inner.c crypto: aegis128/neon - move final tag check to SIMD domain 2020-11-27 17:13:40 +11:00
aegis128-neon.c crypto: aegis128 - Move simd prototypes into aegis.h 2021-03-19 21:59:45 +11:00
aes_generic.c
…
aes_ti.c
…
af_alg.c crypto: af_alg - get rid of alg_memory_allocated 2022-02-15 14:29:04 +00:00
ahash.c crypto: ahash - Add init_tfm/exit_tfm 2020-08-28 16:58:28 +10:00
akcipher.c
…
algapi.c crypto: api - Move cryptomgr soft dependency into algapi 2022-02-05 15:10:07 +11:00
algboss.c exit: Rename module_put_and_exit to module_put_and_kthread_exit 2021-12-13 12:04:45 -06:00
algif_aead.c crypto: algif_aead - Do not set MAY_BACKLOG on the async path 2020-08-21 14:45:27 +10:00
algif_hash.c net: make ->{get,set}sockopt in proto_ops optional 2020-07-19 18:16:41 -07:00
algif_rng.c crypto: af_alg - add extra parameters for DRBG interface 2020-09-25 17:48:52 +10:00
algif_skcipher.c crypto: algif_skcipher - EBUSY on aio should be an error 2020-08-21 14:45:26 +10:00
ansi_cprng.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
anubis.c
…
api.c crypto: api - Move cryptomgr soft dependency into algapi 2022-02-05 15:10:07 +11:00
arc4.c crypto: arc4 - mark ecb(arc4) skcipher as obsolete 2020-09-11 14:39:16 +10:00
authenc.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
authencesn.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
blake2b_generic.c crypto: blake2b - update file comment 2021-01-03 08:41:39 +11:00
blake2s_generic.c lib/crypto: blake2s: avoid indirect calls to compression function for Clang CFI 2022-02-04 19:22:32 +01:00
blowfish_common.c
…
blowfish_generic.c crypto: blowfish - use unaligned accessors instead of alignmask 2021-02-10 17:55:56 +11:00
camellia_generic.c crypto: camellia - use unaligned accessors instead of alignmask 2021-02-10 17:55:56 +11:00
cast5_generic.c crypto: cast5 - use unaligned accessors instead of alignmask 2021-02-10 17:55:56 +11:00
cast6_generic.c crypto: cast6 - use unaligned accessors instead of alignmask 2021-02-10 17:55:56 +11:00
cast_common.c
…
cbc.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
ccm.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
cfb.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
chacha20poly1305.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
chacha_generic.c
…
cipher.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
cmac.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
compress.c
…
crc32_generic.c crypto: crc32-generic - Use SPDX-License-Identifier 2021-04-16 21:24:27 +10:00
crc32c_generic.c crypto: crc32c_generic - delete and fix duplicated words 2020-08-21 14:45:25 +10:00
crct10dif_common.c
…
crct10dif_generic.c crypto: crct10dif_generic - fix duplicated words 2020-08-21 14:45:25 +10:00
cryptd.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
crypto_engine.c crypto: engine - Add KPP Support to Crypto Engine 2021-10-29 21:04:03 +08:00
crypto_null.c
…
crypto_user_base.c
…
crypto_user_stat.c
…
ctr.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
cts.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
curve25519-generic.c
…
deflate.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
des_generic.c
…
dh.c crypto: dh - remove duplicate includes 2021-12-11 16:48:05 +11:00
dh_helper.c
…
drbg.c crypto: drbg - ignore jitterentropy errors if not in FIPS mode 2021-12-11 16:48:06 +11:00
ecb.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
ecc.c crypto: ecc - Export additional helper functions 2021-10-29 21:04:03 +08:00
ecc_curve_defs.h Merge branch 'ecc' 2021-03-26 19:55:55 +11:00
ecdh.c crypto: ecc - Move ecc.h to include/crypto/internal 2021-10-29 21:04:03 +08:00
ecdh_helper.c crypto: ecdh - move curve_id of ECDH from the key to algorithm name 2021-03-13 00:04:03 +11:00
ecdsa.c crypto: ecc - Move ecc.h to include/crypto/internal 2021-10-29 21:04:03 +08:00
ecdsasignature.asn1 crypto: ecdsa - Add support for ECDSA signature verification 2021-03-26 19:41:58 +11:00
echainiv.c
…
ecrdsa.c crypto: ecc - Move ecc.h to include/crypto/internal 2021-10-29 21:04:03 +08:00
ecrdsa_defs.h crypto: ecc - Move ecc.h to include/crypto/internal 2021-10-29 21:04:03 +08:00
ecrdsa_params.asn1
…
ecrdsa_pub_key.asn1
…
essiv.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
fcrypt.c crypto: fcrypt - Remove 'do while(0)' loop for single statement macro 2021-04-02 18:28:13 +11:00
fips.c
…
gcm.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
geniv.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
gf128mul.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
ghash-generic.c
…
hash_info.c
…
hmac.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
internal.h crypto: api - Fix built-in testing dependency failures 2021-09-24 16:03:05 +08:00
jitterentropy-kcapi.c crypto: jitter - don't limit ->health_failure check to FIPS mode 2021-12-11 16:48:06 +11:00
jitterentropy.c crypto: jitter - add oversampling of noise source 2021-12-31 18:10:54 +11:00
jitterentropy.h crypto: jitter - don't limit ->health_failure check to FIPS mode 2021-12-11 16:48:06 +11:00
kdf_sp800108.c crypto: kdf - add SP800-108 counter key derivation function 2021-11-26 16:25:17 +11:00
keywrap.c crypto: keywrap - Remove else after break statement 2021-04-02 18:28:13 +11:00
khazad.c crypto: khazad,wp512 - remove leading spaces before tabs 2021-05-28 15:11:44 +08:00
kpp.c
…
lrw.c crypto: Replace HTTP links with HTTPS ones 2020-07-23 17:34:20 +10:00
lz4.c
…
lz4hc.c
…
lzo-rle.c
…
lzo.c
…
md4.c
…
md5.c
…
memneq.c
…
michael_mic.c crypto: michael_mic - fix broken misalignment handling 2021-02-10 17:55:55 +11:00
nhpoly1305.c
…
ofb.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
pcbc.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
pcrypt.c crypto: pcrypt - Delay write to padata->info 2021-10-29 21:04:04 +08:00
poly1305_generic.c
…
proc.c crypto: proc - Removing some useless only space lines 2020-09-25 17:48:15 +10:00
ripemd.h crypto: rmd320 - remove RIPE-MD 320 hash algorithm 2021-01-29 16:07:04 +11:00
rmd160.c
…
rng.c crypto: rng - fix crypto_rng_reset() refcounting when !CRYPTO_STATS 2021-04-02 18:28:12 +11:00
rsa-pkcs1pad.c crypto: algapi - Remove skbuff.h inclusion 2020-08-20 14:04:28 +10:00
rsa.c crypto: rsa - limit key size to 2048 in FIPS mode 2021-11-26 16:25:18 +11:00
rsa_helper.c
…
rsaprivkey.asn1
…
rsapubkey.asn1
…
scatterwalk.c
…
scompress.c
…
seed.c crypto: seed - remove trailing semicolon in macro definition 2020-12-04 18:13:16 +11:00
seqiv.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
serpent_generic.c crypto: serpent - Fix sparse byte order warnings 2021-03-07 15:13:15 +11:00
sha1_generic.c crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
sha3_generic.c crypto: Replace HTTP links with HTTPS ones 2020-07-23 17:34:20 +10:00
sha256_generic.c crypto: sha256 - remove duplicate generic hash init function 2021-12-31 18:10:54 +11:00
sha512_generic.c crypto: sha512 - remove imaginary and mystifying clearing of variables 2021-08-27 16:30:19 +08:00
shash.c crypto: shash - avoid comparing pointers to exported functions under CFI 2021-06-17 15:07:31 +08:00
simd.c crypto: algapi - use common mechanism for inheriting flags 2020-07-16 21:49:08 +10:00
skcipher.c crypto: skcipher - in_irq() cleanup 2021-08-21 15:44:58 +08:00
sm2.c crypto: sm2 - fix a memory leak in sm2 2021-06-11 15:03:30 +08:00
sm2signature.asn1 crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithm 2020-09-25 17:48:54 +10:00
sm3_generic.c crypto: sm3 - export crypto_sm3_final function 2020-09-25 17:48:53 +10:00
sm4_generic.c crypto: arm64/sm4-ce - Make dependent on sm4 library instead of sm4-generic 2021-07-30 10:58:30 +08:00
streebog_generic.c
…
tcrypt.c crypto: tcrypt - fix skcipher multi-buffer tests for 1420B blocks 2021-10-22 20:25:03 +08:00
tcrypt.h crypto: tcrypt - Add support for hash speed testing with keys 2020-08-21 14:45:27 +10:00
tea.c
…
testmgr.c crypto: des - disallow des3 in FIPS mode 2021-11-26 16:25:18 +11:00
testmgr.h crypto: testmgr - Fix wrong test case of RSA 2021-11-20 15:02:08 +11:00
twofish_common.c
…
twofish_generic.c crypto: twofish - use unaligned accessors instead of alignmask 2021-02-10 17:55:57 +11:00
vmac.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
wp512.c crypto: wp512 - correct a non-kernel-doc comment 2021-08-12 19:32:17 +08:00
xcbc.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
xor.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-02-21 17:23:56 -08:00
xts.c crypto: remove cipher routines from public crypto API 2021-01-03 08:41:35 +11:00
xxhash_generic.c
…
zstd.c lib: zstd: Add kernel-specific API 2021-11-08 16:55:21 -08:00