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alistair23-linux/fs/cifs
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Adam McCoy a481379960 cifs: fix leaked reference on requeued write 
Failed async writes that are requeued may not clean up a refcount
on the file, which can result in a leaked open. This scenario arises
very reliably when using persistent handles and a reconnect occurs
while writing.

cifs_writev_requeue only releases the reference if the write fails
(rc != 0). The server->ops->async_writev operation will take its own
reference, so the initial reference can always be released.

Signed-off-by: Adam McCoy <adam@forsedomani.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
 		2020-05-14 17:47:01 -05:00
..
Kconfig smb3: smbdirect support can be configured by default 2020-04-07 13:39:00 -05:00
Makefile cifs: Add support for root file systems 2019-09-16 11:43:38 -05:00
asn1.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cache.c cifs: use 64-bit timestamps for fscache 2018-08-07 14:15:41 -05:00
cifs_debug.c cifs: smbd: Merge code to track pending packets 2020-04-07 12:41:16 -05:00
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 2020-02-24 14:20:38 -06:00
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 cifs: add SMB3 change notification support 2020-02-06 09:14:28 -06:00
cifs_spnego.c cifs: switch servers depending on binding state 2019-11-25 01:16:30 -06:00
cifs_spnego.h [CIFS] Rename three structures to avoid camel case 2011-05-27 04:34:02 +00:00
cifs_unicode.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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 fs/cifs: fix gcc warning in sid_to_id 2020-03-22 22:49:09 -05:00
cifsacl.h smb3: fix mode passed in on create for modetosid mount option 2019-12-06 14:15:52 -06:00
cifsencrypt.c fs: cifs: switch to RC4 library interface 2019-06-20 14:19:55 +08:00
cifsfs.c smb3: enable swap on SMB3 mounts 2020-04-10 13:32:32 -05:00
cifsfs.h cifs: update internal module version number 2020-03-29 16:59:31 -05:00
cifsglob.h cifs: minor update to comments around the cifs_tcp_ses_lock mutex 2020-04-21 23:51:18 -05:00
cifspdu.h cifs: cifspdu.h: Replace zero-length array with flexible-array member 2020-03-22 22:49:10 -05:00
cifsproto.h cifs: handle prefix paths in reconnect 2020-03-22 22:49:09 -05:00
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 2020-05-14 17:47:01 -05:00
connect.c cifs: do not share tcons with DFS 2020-04-22 20:22:08 -05:00
dfs_cache.c cifs: handle prefix paths in reconnect 2020-03-22 22:49:09 -05:00
dfs_cache.h cifs: handle prefix paths in reconnect 2020-03-22 22:49:09 -05:00
dir.c cifs_atomic_open(): fix double-put on late allocation failure 2020-03-12 18:25:20 -04:00
dns_resolve.c keys: Pass the network namespace into request_key mechanism 2019-06-27 23:02:12 +01:00
dns_resolve.h DNS: Separate out CIFS DNS Resolver code 2010-08-05 17:17:51 +00:00
export.c docs: fs: convert docs without extension to ReST 2019-07-31 13:31:05 -06:00
file.c cifs: Fix null pointer check in cifs_read 2020-05-14 10:30:03 -05:00
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: Spelling s/EACCESS/EACCES/ 2020-05-06 10:21:40 -05:00
ioctl.c cifs: add SMB3 change notification support 2020-02-06 09:14:28 -06:00
link.c cifs: add SMB2_open() arg to return POSIX data 2020-03-22 22:49:09 -05:00
misc.c cifs: ensure correct super block for DFS reconnect 2020-04-22 20:27:30 -05:00
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 cifs: dynamic allocation of ntlmssp blob 2016-06-23 23:45:07 -05:00
readdir.c smb3: change noisy error message to FYI 2020-04-09 13:28:24 -05:00
rfc1002pdu.h [CIFS] whitespace cleanup 2007-06-05 18:30:44 +00:00
sess.c cifs: make multichannel warning more visible 2020-02-06 09:12:16 -06:00
smb1ops.c cifs: fix rename() by ensuring source handle opened with DELETE bit 2020-02-24 14:20:38 -06:00
smb2file.c cifs: allow unlock flock and OFD lock across fork 2020-03-22 22:49:09 -05:00
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 2020-02-24 14:20:38 -06:00
smb2maperror.c smb3: improve handling of share deleted (and share recreated) 2019-09-16 11:43:38 -05:00
smb2misc.c cifs: ignore cached share root handle closing errors 2020-04-07 12:40:40 -05:00
smb2ops.c cifs: fix uninitialised lease_key in open_shroot() 2020-04-22 20:29:11 -05:00
smb2pdu.c cifs: dump the session id and keys also for SMB2 sessions 2020-04-15 21:15:03 -05:00
smb2pdu.h cifs: smbd: Calculate the correct maximum packet size for segmented SMBDirect send/receive 2020-03-29 16:41:49 -05:00
smb2proto.h cifs: Allocate crypto structures on the fly for calculating signatures of incoming packets 2020-04-07 12:41:16 -05:00
smb2status.h cifs: don't use __constant_cpu_to_le32() 2019-05-07 23:24:54 -05:00
smb2transport.c smb3: remove overly noisy debug line in signing errors 2020-04-16 12:23:40 -05:00
smbdirect.c cifs: smbd: Do not schedule work to send immediate packet on every receive 2020-04-07 12:41:16 -05:00
smbdirect.h cifs: smbd: Do not schedule work to send immediate packet on every receive 2020-04-07 12:41:16 -05:00
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 cifs: map NT_STATUS_ERROR_WRITE_PROTECTED to -EROFS 2010-08-02 12:40:40 +00:00
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 cifs: Add tracepoints for errors on flush or fsync 2020-02-05 18:24:19 -06:00
transport.c cifs: Allocate encryption header through kmalloc 2020-03-29 16:42:54 -05:00
winucase.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
xattr.c CIFS: Add support for setting owner info, dos attributes, and create time 2020-01-26 19:24:17 -06:00