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Scott Mayhew 576acc2591 nfs4: take a reference on the nfs_client when running FREE_STATEID 
During umount, the session slot tables are freed.  If there are
outstanding FREE_STATEID tasks, a use-after-free and slab corruption can
occur when rpc_exit_task calls rpc_call_done -> nfs41_sequence_done ->
nfs4_sequence_process/nfs41_sequence_free_slot.

Prevent that from happening by taking a reference on the nfs_client in
nfs41_free_stateid and putting it in nfs41_free_stateid_release.

Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-11-03 08:47:51 -04:00
..
blocklayout
block: Add bio_max_segs
2021-02-26 15:49:51 -07:00
filelayout
SUNRPC: Trace calls to .rpc_call_done
2021-10-20 18:09:54 -04:00
flexfilelayout
SUNRPC: Trace calls to .rpc_call_done
2021-10-20 18:09:54 -04:00
cache_lib.c
…
cache_lib.h
…
callback_proc.c
NFSv4.x: Don't return NFS4ERR_NOMATCHING_LAYOUT if we're unmounting
2021-04-16 08:50:21 -04:00
callback_xdr.c
NFS: Clean up the synopsis of callback process_op()
2021-08-10 14:18:35 -04:00
callback.c
SUNRPC: Set rq_auth_stat in the pg_authenticate() callout
2021-08-10 14:18:35 -04:00
callback.h
NFSv4: Add support for CB_RECALL_ANY for flexfiles layouts
2020-03-16 08:34:30 -04:00
client.c
NFS: Unexport nfs_probe_fsinfo()
2021-10-20 18:09:55 -04:00
delegation.c
NFSv4: Fixes for nfs4_inode_return_delegation()
2021-10-20 18:09:53 -04:00
delegation.h
NFSv4: Fix delegation return in cases where we have to retry
2021-06-13 19:36:27 -04:00
dir.c
NFS: Do not flush the readdir cache in nfs_dentry_iput()
2021-10-03 20:49:07 -04:00
direct.c
NFS: Fix up commit deadlocks
2021-10-20 18:09:45 -04:00
dns_resolve.c
NFS: remove duplicate headers
2020-05-27 10:10:12 -04:00
dns_resolve.h
…
export.c
nfs: don't atempt blocking locks on nfs reexports
2021-08-26 15:32:10 -04:00
file.c
New features:
2021-08-31 10:57:06 -07:00
fs_context.c
NFSv4 introduce max_connect mount options
2021-08-27 16:37:17 -04:00
fscache-index.c
nfs: fscache: use timespec64 in inode auxdata
2020-01-15 10:54:30 -05:00
fscache.c
NFS: Fix fscache read from NFS after cache error
2021-07-08 14:03:26 -04:00
fscache.h
nfs: fscache: use timespec64 in inode auxdata
2020-01-15 10:54:30 -05:00
getroot.c
nfs: update has_sec_mnt_opts after cloning lsm options from parent
2021-06-28 09:34:39 -04:00
inode.c
NFS: Save some space in the inode
2021-10-20 18:09:54 -04:00
internal.h
NFS: Unexport nfs_probe_fsinfo()
2021-10-20 18:09:55 -04:00
io.c
NFS: Fix up incorrect documentation
2021-04-05 09:04:20 -04:00
iostat.h
…
Kconfig
nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default
2021-03-08 11:47:47 -05:00
Makefile
NFSv4.2: add client side xattr caching.
2020-07-13 17:52:46 -04:00
mount_clnt.c
nfs: hornor timeo and retrans option when mounting NFSv3
2021-04-05 09:04:21 -04:00
namespace.c
nfs: Remove trailing semicolon in macros
2021-05-27 09:19:33 -04:00
netns.h
NFS: Add sysfs support for per-container identifier
2019-07-06 14:54:49 -04:00
nfs2super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs2xdr.c
SUNRPC: Clean up the handling of page padding in rpc_prepare_reply_pages()
2020-12-02 14:05:53 -05:00
nfs3_fs.h
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
nfs3acl.c
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
nfs3client.c
NFS: Additional refactoring for fs_context conversion
2020-01-15 10:15:17 -05:00
nfs3proc.c
NFSv3: Delete duplicate judgement in nfs3_async_handle_jukebox
2021-08-27 16:36:21 -04:00
nfs3super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs3xdr.c
NFS: Default change_attr_type to NFS4_CHANGE_TYPE_IS_UNDEFINED
2021-10-03 20:49:06 -04:00
nfs4_fs.h
NFSv4: Add support for application leases underpinned by a delegation
2021-06-13 19:36:28 -04:00
nfs4client.c
NFS: Replace calls to nfs_probe_fsinfo() with nfs_probe_server()
2021-10-20 18:09:54 -04:00
nfs4file.c
NFSv4.2: remove restriction of copy size for inter-server copy.
2021-08-10 14:18:35 -04:00
nfs4getroot.c
…
nfs4idmap.c
Fix user namespace leak
2021-10-20 18:09:54 -04:00
nfs4idmap.h
…
nfs4namespace.c
nfs: Fix memory leak of export_path
2020-06-26 08:43:14 -04:00
nfs4proc.c
nfs4: take a reference on the nfs_client when running FREE_STATEID
2021-11-03 08:47:51 -04:00
nfs4renewd.c
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
nfs4session.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
nfs4session.h
NFSv4.1: use BITS_PER_LONG macro in nfs4session.h
2020-12-14 06:51:07 -05:00
nfs4state.c
NFS: Fix a few more clear_bit() instances that need release semantics
2021-10-03 20:49:06 -04:00
nfs4super.c
NFS: Adjust fs_context error logging
2021-01-10 13:32:39 -05:00
nfs4sysctl.c
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
2018-01-18 15:10:47 -05:00
nfs4trace.c
pNFS/flexfiles: Add tracing for layout errors
2020-01-15 10:54:33 -05:00
nfs4trace.h
NFS: Move NFS protocol display macros to global header
2021-11-02 12:31:23 -04:00
nfs4xdr.c
NFS client updates for Linux 5.13
2021-05-07 11:23:41 -07:00
nfs42.h
NFSv4.2: add the extended attribute proc functions.
2020-07-13 17:52:45 -04:00
nfs42proc.c
NFSv42: Don't force attribute revalidation of the copy offload source
2021-04-14 10:42:24 -04:00
nfs42xattr.c
nfs: Fix a typo in the file nfs42xattr.c
2021-04-05 09:04:20 -04:00
nfs42xdr.c
NFS client updates for Linux 5.11
2020-12-17 12:15:03 -08:00
nfs.h
…
nfsroot.c
nfsroot: Default mount option should ask for built-in NFS version
2020-11-02 10:29:03 -05:00
nfstrace.c
NFSv4: Catch and trace server filehandle encoding errors
2021-04-14 09:36:29 -04:00
nfstrace.h
NFS: Add offset to nfs_aop_readahead tracepoint
2021-11-02 16:44:02 -04:00
pagelist.c
SUNRPC: Trace calls to .rpc_call_done
2021-10-20 18:09:54 -04:00
pnfs_dev.c
NFSv4/pnfs: Add tracing for the deviceid cache
2020-12-16 17:25:24 -05:00
pnfs_nfs.c
NFS: Fix up commit deadlocks
2021-10-20 18:09:45 -04:00
pnfs.c
NFSv4/pnfs: The layout barrier indicate a minimal value for the seqid
2021-08-09 16:57:04 -04:00
pnfs.h
NFS: Move NFS protocol display macros to global header
2021-11-02 12:31:23 -04:00
proc.c
NFS: Default change_attr_type to NFS4_CHANGE_TYPE_IS_UNDEFINED
2021-10-03 20:49:06 -04:00
read.c
NFS: Add offset to nfs_aop_readahead tracepoint
2021-11-02 16:44:02 -04:00
super.c
NFS: Call nfs_probe_server() during a fscontext-reconfigure event
2021-10-20 18:09:55 -04:00
symlink.c
nfs: pass the correct prototype to read_cache_page
2019-05-09 16:26:57 -04:00
sysctl.c
…
sysfs.c
NFSv4: Fix up RCU annotations for struct nfs_netns_client
2020-10-15 13:31:08 -04:00
sysfs.h
NFSv4: Fix up RCU annotations for struct nfs_netns_client
2020-10-15 13:31:08 -04:00
unlink.c
NFS: Fix open coded versions of nfs_set_cache_invalid()
2021-03-08 16:13:55 -05:00
write.c
NFS: Remove redundant call to __set_page_dirty_nobuffers
2021-10-21 17:11:41 -04:00