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Trond Myklebust cb2c6fdf62 NFSv4.1: Fix a race in nfs4_proc_layoutget 
commit bd171930e6a3de4f5cffdafbb944e50093dfb59b upstream.

If the task calling layoutget is signalled, then it is possible for the
calls to nfs4_sequence_free_slot() and nfs4_layoutget_prepare() to race,
in which case we leak a slot.
The fix is to move the call to nfs4_sequence_free_slot() into the
nfs4_layoutget_release() so that it gets called at task teardown time.

Fixes: 2e80dbe7ac51 ("NFSv4.1: Close callback races for OPEN, LAYOUTGET...")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-05 14:40:18 +02:00
..
blocklayout
pnfs/blocklayout: fix last_write_offset incorrectly set to page boundary
2016-10-13 16:42:53 -04:00
filelayout
NFSv4.1: nfs4_fl_prepare_ds must be careful about reporting success.
2017-01-19 20:18:05 +01:00
flexfilelayout
pNFS/flexfiles: If the layout is invalid, it must be updated before retrying
2017-03-12 06:41:51 +01:00
objlayout
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
cache_lib.c
NFS: cache_lib: use complete() instead of complete_all()
2016-09-23 09:40:12 -04:00
cache_lib.h
…
callback_proc.c
nfs: allow blocking locks to be awoken by lock callbacks
2016-09-22 15:54:27 -04:00
callback_xdr.c
nfs: add handling for CB_NOTIFY_LOCK in client
2016-09-22 13:56:04 -04:00
callback.c
NFSv4.x/callback: Create the callback service through svc_create_pooled
2017-07-05 14:40:16 +02:00
callback.h
nfs: add handling for CB_NOTIFY_LOCK in client
2016-09-22 13:56:04 -04:00
client.c
NFS: Ignore connections that have cl_rpcclient uninitialized
2016-11-07 16:11:29 -05:00
delegation.c
NFS: Always call nfs_inode_find_state_and_recover() when revoking a delegation
2016-09-27 14:35:04 -04:00
delegation.h
NFSv4: nfs_inode_find_state_and_recover() should check all stateids
2016-09-27 14:34:35 -04:00
dir.c
NFS: Fix a performance regression in readdir
2017-01-19 20:18:05 +01:00
direct.c
NFS: direct: use complete() instead of complete_all()
2016-09-23 09:14:16 -04:00
dns_resolve.c
…
dns_resolve.h
…
file.c
nfs_write_end(): fix handling of short copies
2017-01-09 08:32:24 +01:00
fscache-index.c
…
fscache.c
…
fscache.h
…
getroot.c
VFS: normal filesystems (and lustre): d_inode() annotations
2015-04-15 15:06:57 -04:00
inode.c
pNFS: Actively set attributes as invalid if LAYOUTCOMMIT is outstanding
2016-07-28 14:49:08 -04:00
internal.h
NFS client updates for Linux 4.9
2016-10-13 21:28:20 -07:00
io.c
NFS: Do not serialise O_DIRECT reads and writes
2016-07-05 19:11:04 -04:00
iostat.h
…
Kconfig
kernel: conditionally support non-root users, groups and capabilities
2015-04-15 16:35:22 -07:00
Makefile
NFS: Do not serialise O_DIRECT reads and writes
2016-07-05 19:11:04 -04:00
mount_clnt.c
NFS: Remove unneeded NFS_DEBUG checking before define NFSDBG_FACILITY
2015-10-21 15:49:23 -05:00
namespace.c
fs: Better permission checking for submounts
2017-03-15 10:02:44 +08:00
netns.h
fs: nfs: Make nfs boot time y2038 safe
2016-10-04 16:20:26 -04:00
nfs2super.c
…
nfs2xdr.c
nfs: save server READ/WRITE/COMMIT status
2015-02-03 11:06:40 -08:00
nfs3_fs.h
nfsv3: introduce nfs3_set_ds_client
2015-02-03 11:06:34 -08:00
nfs3acl.c
posix_acl: Inode acl caching fixes
2016-03-31 00:30:15 -04:00
nfs3client.c
nfs4: flexfiles: respect noresvport when establishing connections to DSes
2016-07-19 16:23:25 -04:00
nfs3proc.c
vfs: Remove {get,set,remove}xattr inode operations
2016-10-07 21:48:36 -04:00
nfs3super.c
nfsv3: introduce nfs3_set_ds_client
2015-02-03 11:06:34 -08:00
nfs3xdr.c
xprtrdma: Fix large NFS SYMLINK calls
2015-08-05 16:21:28 -04:00
nfs4_fs.h
NFSv4: Fix CLOSE races with OPEN
2016-11-18 13:35:58 -05:00
nfs4client.c
nfs: allow blocking locks to be awoken by lock callbacks
2016-09-22 15:54:27 -04:00
nfs4file.c
switch generic_file_splice_read() to use of ->read_iter()
2016-10-05 18:23:56 -04:00
nfs4getroot.c
nfs: Remove invalid NFS_ATTR_FATTR_V4_REFERRAL checking in nfs4_get_rootfh
2015-07-01 11:31:22 -04:00
nfs4idmap.c
KEYS: Add a facility to restrict new links into a keyring
2016-04-11 22:37:37 +01:00
nfs4idmap.h
NFS: Move nfs_idmap.h into fs/nfs/
2015-04-23 15:16:14 -04:00
nfs4namespace.c
fs: Better permission checking for submounts
2017-03-15 10:02:44 +08:00
nfs4proc.c
NFSv4.1: Fix a race in nfs4_proc_layoutget
2017-07-05 14:40:18 +02:00
nfs4renewd.c
NFSv4: Cap the transport reconnection timer at 1/2 lease period
2016-08-05 19:22:22 -04:00
nfs4session.c
fs/nfs: Fix used uninitialized warn in nfs4_slot_seqid_in_use()
2016-11-07 16:11:30 -05:00
nfs4session.h
NFSv4.1: Don't deadlock the state manager on the SEQUENCE status flags
2016-09-27 14:31:27 -04:00
nfs4state.c
nfs: Fix "Don't increment lock sequence ID after NFS4ERR_MOVED"
2017-06-17 06:41:55 +02:00
nfs4super.c
NFS: Move nfs_idmap.h into fs/nfs/
2015-04-23 15:16:14 -04:00
nfs4sysctl.c
nfs: do not initialise statics to 0
2015-12-28 09:57:15 -05:00
nfs4trace.c
pNFS: Modify pnfs_update_layout tracepoints to use layout stateid
2015-12-28 09:57:14 -05:00
nfs4trace.h
tracing: Use __get_str() when manipulating strings
2016-07-15 15:52:20 -04:00
nfs4xdr.c
NFSv4: fix getacl head length estimation
2017-03-12 06:41:51 +01:00
nfs42.h
NFS: Add COPY nfs operation
2016-05-17 15:47:55 -04:00
nfs42proc.c
NFSv4: Fix reboot recovery in copy offload
2017-03-12 06:41:51 +01:00
nfs42xdr.c
NFSv4.2: Fix warning "variable ‘stateids’ set but not used"
2016-07-24 17:36:06 -04:00
nfs.h
…
nfsroot.c
nfsroot: make nfsroot to accept the 1024 bytes long directory name
2015-10-21 15:49:19 -05:00
nfstrace.c
NFSv4: Allow tracing of NFSv4 fsync calls
2015-03-27 12:39:34 -04:00
nfstrace.h
NFS client updates for Linux 4.8
2016-07-30 16:33:25 -07:00
pagelist.c
NFS: Use GFP_NOIO for two allocations in writeback
2017-05-25 15:44:48 +02:00
pnfs_dev.c
NFSv4.1: Don't cache deviceids that have no notifications
2015-03-27 12:32:24 -04:00
pnfs_nfs.c
NFS pnfs data server multipath session trunking
2016-09-19 13:08:37 -04:00
pnfs.c
pNFS: Fix race in pnfs_wait_on_layoutreturn
2017-01-19 20:18:05 +01:00
pnfs.h
pNFS: On error, do not send LAYOUTGET until the LAYOUTRETURN has completed
2017-01-09 08:32:24 +01:00
proc.c
fs: rename "rename2" i_op to "rename"
2016-09-27 11:03:58 +02:00
read.c
mm: remove page_file_index
2016-10-07 18:46:28 -07:00
super.c
NFS: fix typo in parameter description
2017-01-19 20:18:05 +01:00
symlink.c
switch ->get_link() to delayed_call, kill ->put_link()
2015-12-30 13:01:03 -05:00
sysctl.c
…
unlink.c
qstr: constify instances in nfs
2016-07-20 23:30:06 -04:00
write.c
NFS: Fix use after free in write error path
2017-05-25 15:44:48 +02:00