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Paul Aurich 93f3339b22 cifs: Return correct error code from smb2_get_enc_key 
commit 83728cbf366e334301091d5b808add468ab46b27 upstream.

Avoid a warning if the error percolates back up:

[440700.376476] CIFS VFS: \\otters.example.com crypt_message: Could not get encryption key
[440700.386947] ------------[ cut here ]------------
[440700.386948] err = 1
[440700.386977] WARNING: CPU: 11 PID: 2733 at /build/linux-hwe-5.4-p6lk6L/linux-hwe-5.4-5.4.0/lib/errseq.c:74 errseq_set+0x5c/0x70
...
[440700.397304] CPU: 11 PID: 2733 Comm: tar Tainted: G           OE     5.4.0-70-generic #78~18.04.1-Ubuntu
...
[440700.397334] Call Trace:
[440700.397346]  __filemap_set_wb_err+0x1a/0x70
[440700.397419]  cifs_writepages+0x9c7/0xb30 [cifs]
[440700.397426]  do_writepages+0x4b/0xe0
[440700.397444]  __filemap_fdatawrite_range+0xcb/0x100
[440700.397455]  filemap_write_and_wait+0x42/0xa0
[440700.397486]  cifs_setattr+0x68b/0xf30 [cifs]
[440700.397493]  notify_change+0x358/0x4a0
[440700.397500]  utimes_common+0xe9/0x1c0
[440700.397510]  do_utimes+0xc5/0x150
[440700.397520]  __x64_sys_utimensat+0x88/0xd0

Fixes: 61cfac6f267d ("CIFS: Fix possible use after free in demultiplex thread")
Signed-off-by: Paul Aurich <paul@darkrain42.org>
CC: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-11 14:04:04 +02:00
..
asn1.c
cifs: remove bogus debug code
2020-10-29 09:57:28 +01:00
cache.c
cifs: use 64-bit timestamps for fscache
2018-08-07 14:15:41 -05:00
cifs_debug.c
cifs: Don't display RDMA transport on reconnect
2019-12-21 11:04:43 +01:00
cifs_debug.h
cifs: add a debug macro that prints \\server\share for errors
2019-09-16 11:43:38 -05:00
cifs_dfs_ref.c
cifs: fix potential mismatch of UNC paths
2020-03-25 08:25:43 +01:00
cifs_fs_sb.h
smb3: add mount option to allow RW caching of share accessed by only 1 client
2019-09-16 11:43:38 -05:00
cifs_ioctl.h
smb3: allow decryption keys to be dumped by admin for debugging
2019-09-21 06:02:26 -05:00
cifs_spnego.c
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
cifs_spnego.h
…
cifs_unicode.c
Convert trailing spaces and periods in path components
2020-11-18 19:20:34 +01:00
cifs_unicode.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
cifs_uniupr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
cifsacl.c
cifs: fix a memleak with modefromsid
2020-12-02 08:49:45 +01:00
cifsacl.h
smb3: missing ACL related flags
2019-09-26 16:37:43 -05:00
cifsencrypt.c
fs: cifs: switch to RC4 library interface
2019-06-20 14:19:55 +08:00
cifsfs.c
cifs: return proper error code in statfs(2)
2021-03-17 17:03:34 +01:00
cifsfs.h
cifs: update internal module version number
2019-09-16 19:18:39 -05:00
cifsglob.h
CIFS: Properly process SMB3 lease breaks
2020-10-01 13:17:21 +02:00
cifspdu.h
smb3: missing defines and structs for reparse point handling
2018-11-02 14:09:41 -05:00
cifsproto.h
cifs: fix rename() by ensuring source handle opened with DELETE bit
2020-03-12 13:00:18 +01:00
cifsroot.c
cifs: cifsroot: add more err checking
2019-09-16 11:43:39 -05:00
cifssmb.c
cifs: fix leaked reference on requeued write
2020-05-20 08:20:34 +02:00
connect.c
Revert "cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath."
2021-04-14 08:24:19 +02:00
dfs_cache.c
cifs: fix unitialized variable poential problem with network I/O cache lock patch
2020-02-24 08:36:58 +01:00
dfs_cache.h
cifs: Fix DFS cache refresher for DFS links
2019-05-07 23:24:54 -05:00
dir.c
cifs: report error instead of invalid when revalidating a dentry fails
2021-02-10 09:25:30 +01:00
dns_resolve.c
keys: Pass the network namespace into request_key mechanism
2019-06-27 23:02:12 +01:00
dns_resolve.h
…
export.c
docs: fs: convert docs without extension to ReST
2019-07-31 13:31:05 -06:00
file.c
cifs: revalidate mapping when we open files for SMB1 POSIX
2021-04-10 13:34:31 +02:00
fscache.c
cifs: use 64-bit timestamps for fscache
2018-08-07 14:15:41 -05:00
fscache.h
cifs: use 64-bit timestamps for fscache
2018-08-07 14:15:41 -05:00
inode.c
cifs: handle -EINTR in cifs_setattr
2020-11-05 11:43:21 +01:00
ioctl.c
smb3: allow decryption keys to be dumped by admin for debugging
2019-09-21 06:02:26 -05:00
Kconfig
various cifs/smb3 fixes (including for share deleted cases) and features including improved encrypted read performance, and various debugging improvements
2019-09-19 10:32:16 -07:00
link.c
SMB3: Clean up query symlink when reparse point
2019-05-07 23:24:55 -05:00
Makefile
cifs: Add support for root file systems
2019-09-16 11:43:38 -05:00
misc.c
CIFS: Properly process SMB3 lease breaks
2020-10-01 13:17:21 +02:00
netmisc.c
fs: cifs: mute -Wunused-const-variable message
2019-10-06 22:04:35 -05:00
nterr.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
nterr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
ntlmssp.h
…
readdir.c
cifs: check ntwrk_buf_start for NULL before dereferencing it
2018-12-23 22:41:31 -06:00
rfc1002pdu.h
…
sess.c
fs/cifs/sess.c: Remove set but not used variable 'capabilities'
2019-09-23 22:51:57 -05:00
smb1ops.c
CIFS: Properly process SMB3 lease breaks
2020-10-01 13:17:21 +02:00
smb2file.c
cifs: Adjust indentation in smb2_open_file
2020-01-17 19:48:27 +01:00
smb2glob.h
cifs: change SMB2_OP_RENAME and SMB2_OP_HARDLINK to use compounding
2018-10-23 21:16:04 -05:00
smb2inode.c
cifs: fix rename() by ensuring source handle opened with DELETE bit
2020-03-12 13:00:18 +01:00
smb2maperror.c
smb3: improve handling of share deleted (and share recreated)
2019-09-16 11:43:38 -05:00
smb2misc.c
cifs: Silently ignore unknown oplock break handle
2021-04-10 13:34:31 +02:00
smb2ops.c
cifs: Return correct error code from smb2_get_enc_key
2021-05-11 14:04:04 +02:00
smb2pdu.c
cifs: ask for more credit on async read/write code paths
2021-03-30 14:35:21 +02:00
smb2pdu.h
smb3: Fix out-of-bounds bug in SMB2_negotiate()
2021-02-10 09:25:30 +01:00
smb2proto.h
smb3: remove unused flag passed into close functions
2021-01-19 18:26:13 +01:00
smb2status.h
cifs: don't use __constant_cpu_to_le32()
2019-05-07 23:24:54 -05:00
smb2transport.c
CIFS: Fix task struct use-after-free on reconnect
2020-02-01 09:34:37 +00:00
smbdirect.c
cifs: smbd: Return -ECONNABORTED when trasnport is not in connected state
2019-12-21 11:04:43 +01:00
smbdirect.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
smbencrypt.c
fs: cifs: move from the crypto cipher API to the new DES library interface
2019-08-22 14:57:34 +10:00
smberr.h
…
smbfsctl.h
smb3: Add missing reparse tags
2019-09-24 23:31:32 -05:00
trace.c
smb3: Cleanup license mess
2019-01-24 09:37:33 -06:00
trace.h
smb3: add missing worker function for SMB3 change notify
2019-09-16 11:43:39 -05:00
transport.c
cifs: change noisy error message to FYI
2021-03-30 14:35:21 +02:00
winucase.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
xattr.c
CIFS: fix max ea value size
2019-09-23 23:28:59 -05:00