linux/fs/cifs
Ronnie Sahlberg d69cb728e7 cifs: fix credits leak for SMB1 oplock breaks
For SMB1 oplock breaks we would grab one credit while sending the PDU
but we would never relese the credit back since we will never receive a
response to this from the server. Eventuallt this would lead to a hang
once all credits are leaked.

Fix this by defining a new flag CIFS_NO_SRV_RSP which indicates that there
is no server response to this command and thus we need to add any credits back
immediately after sending the PDU.

CC: Stable <stable@vger.kernel.org> #v5.0+
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
..
asn1.c
cache.c
cifs_debug.c cifs: smbd: Don't destroy transport on RDMA disconnect 2019-05-07 23:24:54 -05:00
cifs_debug.h cifs: minor clarification in comments 2018-10-23 21:16:05 -05:00
cifs_dfs_ref.c cifs: use correct format characters 2019-03-05 18:10:28 -06:00
cifs_fs_sb.h smb3: make default i/o size for smb3 mounts larger 2019-03-04 20:05:35 -06:00
cifs_ioctl.h SMB3: passthru query info doesn't check for SMB3 FSCTL passthru 2019-03-14 19:32:36 -05:00
cifs_spnego.c smb3: on kerberos mount if server doesn't specify auth type use krb5 2018-11-02 14:09:41 -05:00
cifs_spnego.h
cifs_unicode.c
cifs_unicode.h
cifs_uniupr.h
cifsacl.c
cifsacl.h
cifsencrypt.c cifs: remove coverity warning in calc_lanman_hash 2018-12-23 22:41:26 -06:00
cifsfs.c cifs: add fiemap support 2019-05-07 23:24:55 -05:00
cifsfs.h cifs: add fiemap support 2019-05-07 23:24:55 -05:00
cifsglob.h cifs: fix credits leak for SMB1 oplock breaks 2019-05-07 23:24:55 -05:00
cifspdu.h smb3: missing defines and structs for reparse point handling 2018-11-02 14:09:41 -05:00
cifsproto.h cifs: Fix DFS cache refresher for DFS links 2019-05-07 23:24:54 -05:00
cifssmb.c cifs: fix credits leak for SMB1 oplock breaks 2019-05-07 23:24:55 -05:00
connect.c cifs: Call MID callback before destroying transport 2019-05-07 23:24:55 -05:00
dfs_cache.c cifs: Fix DFS cache refresher for DFS links 2019-05-07 23:24:54 -05:00
dfs_cache.h cifs: Fix DFS cache refresher for DFS links 2019-05-07 23:24:54 -05:00
dir.c CIFS: make mknod() an smb_version_op 2019-03-14 19:32:36 -05:00
dns_resolve.c
dns_resolve.h
export.c
file.c cifs: remove superfluous inode_lock in cifs_{strict_}fsync 2019-05-07 23:24:55 -05:00
fscache.c
fscache.h
inode.c cifs: add fiemap support 2019-05-07 23:24:55 -05:00
ioctl.c cifs: add support for ioctl on directories 2018-10-23 21:16:05 -05:00
Kconfig fs: cifs: Kconfig: pedantic formatting 2019-03-06 21:55:12 -06:00
link.c cifs: replace snprintf with scnprintf 2019-03-04 20:05:34 -06:00
Makefile cifs: Add DFS cache routines 2018-12-28 10:05:58 -06:00
misc.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-05-06 20:15:06 -07:00
netmisc.c
nterr.c
nterr.h
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 cifs: remove set but not used variable 'smb_buf' 2018-12-23 22:41:20 -06:00
smb1ops.c CIFS: make mknod() an smb_version_op 2019-03-14 19:32:36 -05:00
smb2file.c SMB3: Allow persistent handle timeout to be configurable on mount 2019-04-01 14:33:36 -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 smb3: Add dynamic trace points for various compounded smb3 ops 2019-03-14 19:32:35 -05:00
smb2maperror.c fix incorrect error code mapping for OBJECTID_NOT_FOUND 2019-03-22 22:36:54 -05:00
smb2misc.c CIFS: keep FileInfo handle live during oplock break 2019-04-16 09:38:38 -05:00
smb2ops.c cifs: fix smb3_zero_range for Azure 2019-05-07 23:24:55 -05:00
smb2pdu.c cifs: add fiemap support 2019-05-07 23:24:55 -05:00
smb2pdu.h smb3: Add protocol structs for change notify support 2019-05-07 23:24:55 -05:00
smb2proto.h smb3: Fix enumerating snapshots to Azure 2019-04-01 14:33:34 -05:00
smb2status.h cifs: don't use __constant_cpu_to_le32() 2019-05-07 23:24:54 -05:00
smb2transport.c CIFS: Only send SMB2_NEGOTIATE command on new TCP connections 2019-03-05 18:14:27 -06:00
smbdirect.c cifs: smbd: take an array of reqeusts when sending upper layer data 2019-05-07 23:24:55 -05:00
smbdirect.h cifs: smbd: take an array of reqeusts when sending upper layer data 2019-05-07 23:24:55 -05:00
smbencrypt.c
smberr.h
smbfsctl.h cifs: add fiemap support 2019-05-07 23:24:55 -05:00
trace.c smb3: Cleanup license mess 2019-01-24 09:37:33 -06:00
trace.h cifs: Fix slab-out-of-bounds when tracing SMB tcon 2019-03-22 22:36:54 -05:00
transport.c cifs: fix credits leak for SMB1 oplock breaks 2019-05-07 23:24:55 -05:00
winucase.c
xattr.c