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Frank van der Linden 419d10aec4 xattr: break delegations in {set,remove}xattr 
commit 08b5d5014a27e717826999ad20e394a8811aae92 upstream.

set/removexattr on an exported filesystem should break NFS delegations.
This is true in general, but also for the upcoming support for
RFC 8726 (NFSv4 extended attribute support). Make sure that they do.

Additionally, they need to grow a _locked variant, since callers might
call this with i_rwsem held (like the NFS server code).

Cc: stable@vger.kernel.org # v4.9+
Cc: linux-fsdevel@vger.kernel.org
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-21 11:01:55 +02:00
..
9p
9p: avoid attaching writeback_fid on mmap with type PRIVATE
2019-10-17 13:42:10 -07:00
adfs
fs/adfs: super: fix use-after-free bug
2019-08-06 18:29:35 +02:00
affs
affs_lookup(): close a race with affs_remove_link()
2018-05-30 07:50:16 +02:00
afs
afs: Fix large file support
2020-01-29 10:24:34 +01:00
autofs4
autofs: fix a leak in autofs_expire_indirect()
2019-12-21 10:40:46 +01:00
befs
befs fixes for 4.9-rc1
2016-10-15 12:09:13 -07:00
bfs
bfs: add sanity check at bfs_fill_super()
2018-12-01 09:44:19 +01:00
btrfs
btrfs: fix mount failure caused by race with umount
2020-07-31 16:44:02 +02:00
cachefiles
cachefiles: Fix race between read_waiter and read_copier involving op->to_do
2020-06-03 08:16:36 +02:00
ceph
ceph: fix double unlock in handle_cap_export()
2020-05-27 16:41:48 +02:00
cifs
Revert "cifs: Fix the target file was deleted when rename failed."
2020-07-31 16:44:04 +02:00
coda
coda: add error handling for fget
2019-08-06 18:29:38 +02:00
configfs
configfs: fix config_item refcnt leak in configfs_rmdir()
2020-05-27 16:41:45 +02:00
cramfs
Cramfs: fix abad comparison when wrap-arounds occur
2018-11-13 11:17:03 -08:00
crypto
fscrypt: don't set policy for a dead directory
2019-07-21 09:05:59 +02:00
debugfs
debugfs: fix use-after-free on symlink traversal
2019-05-08 07:19:10 +02:00
devpts
fs/devpts: always delete dcache dentry-s in dput()
2019-03-23 13:19:47 +01:00
dlm
dlm: remove BUG() before panic()
2020-06-30 15:38:25 -04:00
ecryptfs
ecryptfs: Fix up bad backport of fe2e082f5da5b4a0a92ae32978f81507ef37ec66
2020-03-11 07:53:06 +01:00
efivarfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
efs
…
exofs
fs/exofs: fix potential memory leak in mount option parsing
2018-11-27 16:09:38 +01:00
exportfs
exportfs: fix 'passing zero to ERR_PTR()' warning
2020-01-29 10:24:03 +01:00
ext2
ext2: fix debug reference to ext2_xattr_cache
2020-04-24 07:59:14 +02:00
ext4
ext4: fix direct I/O read error
2020-08-21 11:01:52 +02:00
f2fs
f2fs: check if file namelen exceeds max value
2020-08-21 11:01:48 +02:00
fat
fat: don't allow to mount if the FAT length == 0
2020-06-20 10:24:13 +02:00
freevxfs
…
fscache
fscache: fix race between enablement and dropping of object
2018-12-17 09:38:34 +01:00
fuse
fuse: Fix parameter for FS_IOC_{GET,SET}FLAGS
2020-07-22 09:10:53 +02:00
gfs2
gfs2: Allow lock_nolock mount to specify jid=X
2020-06-30 15:38:28 -04:00
hfs
fs/hfs/extent.c: fix array out of bounds read of array extent
2019-11-28 18:28:50 +01:00
hfsplus
hfsplus: fix crash and filesystem corruption when deleting files
2020-04-24 07:58:59 +02:00
hostfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hugetlbfs
hugetlb: use same fault hash key for shared and private mappings
2019-05-31 06:48:12 -07:00
isofs
isofs: fix timestamps beyond 2027
2017-11-30 08:39:04 +00:00
jbd2
jbd2: improve comments about freeing data buffers whose page mapping is NULL
2020-04-24 07:59:03 +02:00
jffs2
jffs2: fix use-after-free on symlink traversal
2019-05-08 07:19:09 +02:00
jfs
jfs: fix bogus variable self-initialization
2020-01-29 10:24:19 +01:00
kernfs
kernfs: Fix range checks in kernfs_get_target_path
2019-11-25 09:52:23 +01:00
lockd
lockd: fix access beyond unterminated strings in prints
2018-11-13 11:17:02 -08:00
logfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
minix
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
ncpfs
ncpfs: fix build warning of strncpy
2019-03-13 14:04:52 -07:00
nfs
SUNRPC reverting d03727b248d0 ("NFSv4 fix CLOSE not waiting for direct IO compeletion")
2020-07-31 16:44:02 +02:00
nfs_common
lockd: fix "list_add double add" caused by legacy signal interface
2018-02-03 17:05:38 +01:00
nfsd
nfsd: Fix svc_xprt refcnt leak when setup callback client failed
2020-06-30 15:38:22 -04:00
nilfs2
nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
2020-06-20 10:24:09 +02:00
nls
…
notify
fanotify: fix handling of events on child sub-directory
2019-02-06 17:33:30 +01:00
ntfs
fs: remove the never implemented aio_fsync file operation
2016-10-30 13:09:42 -04:00
ocfs2
ocfs2: fix panic on nfs server over ocfs2
2020-06-30 15:38:44 -04:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
openpromfs
…
orangefs
help_next should increase position index
2020-02-28 15:42:43 +01:00
overlayfs
ovl: initialize error in ovl_copy_xattr
2020-06-20 10:24:11 +02:00
proc
proc: Use new_inode not new_inode_pseudo
2020-06-20 10:24:11 +02:00
pstore
pstore/ram: Write new dumps to start of recycled zones
2020-01-12 11:24:20 +01:00
qnx4
…
qnx6
…
quota
fs/quota: handle overflows of sysctl fs.quota.* and report as unsigned long
2020-01-04 13:40:50 +01:00
ramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
reiserfs
reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
2020-02-28 15:42:41 +01:00
romfs
romfs: use different way to generate fsid for BLOCK or MTD
2017-06-17 06:41:56 +02:00
squashfs
Squashfs: Compute expected length from inode size rather than block length
2018-09-05 09:20:03 +02:00
sysfs
scsi: sysfs: Introduce sysfs_{un,}break_active_protection()
2018-09-05 09:20:10 +02:00
sysv
sysv: return 'err' instead of 0 in __sysv_write_inode
2018-12-17 09:38:32 +01:00
tracefs
…
ubifs
ubifs: Fix deadlock in concurrent bulk-read and writepage
2020-02-14 16:31:00 -05:00
udf
udf: Fix free space reporting for metadata and virtual partitions
2020-02-28 15:42:30 +01:00
ufs
ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour
2019-05-25 18:26:56 +02:00
xfs
xfs: fix missed wakeup on l_flush_wait
2020-08-21 11:01:49 +02:00
aio.c
aio: fix spectre gadget in lookup_ioctx
2018-12-21 14:11:31 +01:00
anon_inodes.c
…
attr.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
bad_inode.c
bad_inode: add missing i_op initializers
2017-01-09 08:32:24 +01:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()
2020-06-03 08:16:42 +02:00
binfmt_em86.c
…
binfmt_flat.c
fs/binfmt_flat.c: make load_flat_shared_library() work
2019-07-10 09:55:38 +02:00
binfmt_misc.c
fs/binfmt_misc.c: do not allow offset overflow
2018-06-26 08:08:09 +08:00
binfmt_script.c
exec: load_script: Do not exec truncated interpreter path
2019-11-06 12:18:04 +01:00
block_dev.c
block: Fix use-after-free in blkdev_get()
2020-06-30 15:38:30 -04:00
buffer.c
fs: fix guard_bio_eod to check for real EOD errors
2019-04-05 22:29:08 +02:00
char_dev.c
chardev: add helper function to register char devs with a struct device
2020-05-20 08:15:32 +02:00
compat_binfmt_elf.c
binfmt_elf: compat: avoid unused function warning
2018-02-25 11:05:55 +01:00
compat_ioctl.c
media: dvb_frontend: Add compat_ioctl callback
2020-06-30 15:38:35 -04:00
compat.c
compat: remove compat_printk()
2016-09-27 21:20:53 -04:00
coredump.c
coredump: Ensure proper size of sparse core files
2017-07-05 14:40:26 +02:00
dax.c
fs/dax.c: fix inefficiency in dax_writeback_mapping_range()
2018-02-28 10:18:33 +01:00
dcache.c
Hang/soft lockup in d_invalidate with simultaneous calls
2019-03-27 14:13:04 +09:00
dcookies.c
…
direct-io.c
direct-io: allow direct writes to empty inodes
2019-03-05 17:57:05 +01:00
drop_caches.c
fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
2019-03-13 14:04:58 -07:00
eventfd.c
…
eventpoll.c
fs/epoll: drop ovflist branch prediction
2019-02-12 19:44:59 +01:00
exec.c
exec: Move would_dump into flush_old_exec
2020-05-20 08:15:41 +02:00
fcntl.c
fs/fcntl: f_setown, avoid undefined behaviour
2018-01-31 12:55:52 +01:00
fhandle.c
…
file_table.c
…
file.c
fix multiplication overflow in copy_fdtable()
2020-05-27 16:41:40 +02:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
cgroup, blkcg: Prepare some symbols for module and !CONFIG_CGROUP usages
2020-06-20 10:24:09 +02:00
inode.c
futex: Fix inode life-time issue
2020-04-02 17:20:27 +02:00
internal.h
xfs: evict all inodes involved with log redo item
2017-09-20 08:20:01 +02:00
ioctl.c
…
iomap.c
iomap: fix integer truncation issues in the zeroing and dirtying helpers
2017-09-20 08:19:59 +02:00
Kconfig
mm/hugetlb: introduce ARCH_HAS_GIGANTIC_PAGE
2016-10-07 18:46:29 -07:00
Kconfig.binfmt
…
libfs.c
libfs: fix infoleak in simple_attr_read()
2020-04-02 17:20:38 +02:00
locks.c
locks: print unsigned ino in /proc/locks
2020-01-12 11:24:13 +01:00
Makefile
…
mbcache.c
mbcache: initialize entry->e_referenced in mb_cache_entry_create()
2018-02-22 15:43:48 +01:00
mount.h
mnt: In propgate_umount handle visiting mounts in any order
2017-07-21 07:42:22 +02:00
mpage.c
fs/mpage.c: fix mpage_writepage() for pages with buffers
2017-10-18 09:35:39 +02:00
namei.c
namei: only return -ECHILD from follow_dotdot_rcu()
2020-03-11 07:53:07 +01:00
namespace.c
fs/namespace.c: fix mountpoint reference counter race
2020-05-02 17:23:10 +02:00
no-block.c
…
nsfs.c
nsfs: mark dentry with DCACHE_RCUACCESS
2018-02-17 13:21:15 +01:00
open.c
cifs_atomic_open(): fix double-put on late allocation failure
2020-03-20 09:07:44 +01:00
pipe.c
fs: prevent page refcount overflow in pipe_buf_get
2019-06-11 12:22:45 +02:00
pnode.c
propagate_one(): mnt_set_mountpoint() needs mount_lock
2020-05-02 17:23:20 +02:00
pnode.h
mnt: Tuck mounts under others instead of creating shadow/side mounts.
2017-03-15 10:02:43 +08:00
posix_acl.c
tmpfs: clear S_ISGID when setting posix ACLs
2017-01-26 08:24:37 +01:00
proc_namespace.c
…
read_write.c
fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock
2019-06-11 12:22:49 +02:00
readdir.c
filldir[64]: remove WARN_ON_ONCE() for bad directory entries
2020-01-04 13:41:06 +01:00
select.c
fs/select: add vmalloc fallback for select(2)
2016-10-11 15:06:30 -07:00
seq_file.c
seq/proc: modify seq_put_decimal_[u]ll to take a const char *, not char
2016-10-07 18:46:30 -07:00
signalfd.c
…
splice.c
fs: prevent page refcount overflow in pipe_buf_get
2019-06-11 12:22:45 +02:00
stack.c
…
stat.c
ufs: restore maintaining ->i_blocks
2017-06-14 15:06:01 +02:00
statfs.c
…
super.c
fs: don't scan the inode cache before SB_BORN is set
2019-02-06 17:33:29 +01:00
sync.c
…
timerfd.c
timerfd: Protect the might cancel mechanism proper
2017-05-08 07:47:54 +02:00
userfaultfd.c
userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx
2019-09-06 10:19:37 +02:00
utimes.c
Merge remote-tracking branch 'jk/vfs' into work.misc
2016-10-08 11:06:08 -04:00
xattr.c
xattr: break delegations in {set,remove}xattr
2020-08-21 11:01:55 +02:00