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linux-stable/fs/cifs
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Shyam Prasad N 665ec6970e cifs: Return the error from crypt_message when enc/dec key not found. 
commit 0bd294b55a upstream.

In crypt_message, when smb2_get_enc_key returns error, we need to
return the error back to the caller. If not, we end up processing
the message further, causing a kernel oops due to unwarranted access
of memory.

Call Trace:
smb3_receive_transform+0x120/0x870 [cifs]
cifs_demultiplex_thread+0xb53/0xc20 [cifs]
? cifs_handle_standard+0x190/0x190 [cifs]
kthread+0x116/0x130
? kthread_park+0x80/0x80
ret_from_fork+0x1f/0x30

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-29 09:07:00 +01:00
..
asn1.c cifs: remove bogus debug code 2020-10-29 09:07:00 +01:00
cache.c fscache: remove unused ->now_uncached callback 2017-09-06 17:27:26 -07:00
cifs_debug.c smb3: allow stats which track session and share reconnects to be reset 2018-11-13 11:15:09 -08:00
cifs_debug.h
cifs_dfs_ref.c cifs: use correct format characters 2019-04-05 22:31:28 +02:00
cifs_fs_sb.h cifs: Convert to separately allocated bdi 2017-04-20 12:09:55 -06:00
cifs_ioctl.h Enable previous version support 2016-10-13 19:48:11 -05:00
cifs_spnego.c smb3: on kerberos mount if server doesn't specify auth type use krb5 2018-11-13 11:15:09 -08:00
cifs_spnego.h
cifs_unicode.c fs/cifs: don't translate SFM_SLASH (U+F026) to backslash 2018-10-10 08:54:21 +02:00
cifs_unicode.h [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
cifs_uniupr.h
cifsacl.c cifs: Fix mode output in debugging statements 2020-03-11 18:02:46 +01:00
cifsacl.h cifs: For SMB2 security informaion query, check for minimum sized security descriptor instead of sizeof FileAllInformation class 2018-06-26 08:06:31 +08:00
cifsencrypt.c CIFS: fix sha512 check in cifs_crypto_secmech_release 2018-04-24 09:36:27 +02:00
cifsfs.c cifs: don't dereference smb_file_target before null check 2018-11-27 16:10:46 +01:00
cifsfs.h Update version of cifs module 2017-09-17 23:10:48 -05:00
cifsglob.h CIFS: Properly process SMB3 lease breaks 2020-10-01 13:12:30 +02:00
cifspdu.h CIFS: move DFS response parsing out of SMB1 code 2017-03-01 22:26:10 -06:00
cifsproto.h cifs: Fix cifsInodeInfo lock_sem deadlock when reconnect occurs 2019-11-10 11:25:19 +01:00
cifssmb.c CIFS: Fix credits calculations for reads with errors 2019-01-31 08:13:44 +01:00
connect.c SMB3: Honor persistent/resilient handle flags for multiuser mounts 2020-07-09 09:36:32 +02:00
dir.c cifs_atomic_open(): fix double-put on late allocation failure 2020-03-20 10:54:16 +01:00
dns_resolve.c
dns_resolve.h
export.c
file.c cifs: Fix double add page to memcg when cifs_readpages 2020-10-01 13:12:47 +02:00
fscache.c
fscache.h
inode.c Revert "cifs: Fix the target file was deleted when rename failed." 2020-07-29 07:42:56 +02:00
ioctl.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
Kconfig cifs: allow disabling insecure dialects in the config 2019-01-26 09:37:07 +01:00
link.c smb3: don't request leases in symlink creation and query 2018-09-05 09:26:33 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
misc.c CIFS: Properly process SMB3 lease breaks 2020-10-01 13:12:30 +02:00
netmisc.c fs: cifs: mute -Wunused-const-variable message 2019-11-06 12:43:10 +01:00
nterr.c
nterr.h
ntlmssp.h
readdir.c cifs: check ntwrk_buf_start for NULL before dereferencing it 2019-02-12 19:46:08 +01:00
rfc1002pdu.h
sess.c cifs: check kmalloc before use 2018-09-05 09:26:33 +02:00
smb1ops.c CIFS: Properly process SMB3 lease breaks 2020-10-01 13:12:30 +02:00
smb2file.c cifs: Adjust indentation in smb2_open_file 2020-01-17 19:45:45 +01:00
smb2glob.h CIFS: Separate SMB2 header structure 2017-02-01 16:46:34 -06:00
smb2inode.c smb3: Do not send SMB3 SET_INFO if nothing changed 2018-09-05 09:26:33 +02:00
smb2maperror.c SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write 2019-06-25 11:36:54 +08:00
smb2misc.c CIFS: Properly process SMB3 lease breaks 2020-10-01 13:12:30 +02:00
smb2ops.c cifs: Return the error from crypt_message when enc/dec key not found. 2020-10-29 09:07:00 +01:00
smb2pdu.c smb3: warn on confusing error scenario with sec=krb5 2020-08-21 09:48:16 +02:00
smb2pdu.h CIFS: Properly process SMB3 lease breaks 2020-10-01 13:12:30 +02:00
smb2proto.h CIFS: add sha512 secmech 2018-04-24 09:36:27 +02:00
smb2status.h
smb2transport.c cifs: Fix use after free of a mid_q_entry 2018-07-11 16:29:15 +02:00
smbencrypt.c CIFS: refactor crypto shash/sdesc allocation&free 2018-04-24 09:36:27 +02:00
smberr.h
smbfsctl.h
transport.c CIFS: Do not hide EINTR after sending network packets 2019-01-16 22:07:10 +01:00
winucase.c
xattr.c CIFS: fix max ea value size 2019-10-05 12:48:12 +02:00