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Alexey Dobriyan f061ddfed9 proc: fix dentry/inode overinstantiating under /proc/${pid}/net 
[ Upstream commit 7055197705709c59b8ab77e6a5c7d46d61edd96e ]

When a process exits, /proc/${pid}, and /proc/${pid}/net dentries are
flushed.  However some leaf dentries like /proc/${pid}/net/arp_cache
aren't.  That's because respective PDEs have proc_misc_d_revalidate() hook
which returns 1 and leaves dentries/inodes in the LRU.

Force revalidation/lookup on everything under /proc/${pid}/net by
inheriting proc_net_dentry_ops.

[akpm@linux-foundation.org: coding-style cleanups]
Link: https://lkml.kernel.org/r/YjdVHgildbWO7diJ@localhost.localdomain
Fixes: c6c75deda813 ("proc: fix lookup in /proc/net subdirectories after setns(2)")
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reported-by: hui li <juanfengpy@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-09 10:21:17 +02:00
..
9p
9p: only copy valid iattrs in 9P2000.L setattr implementation
2022-01-20 09:17:50 +01:00
adfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-10-24 12:26:05 -07:00
affs
fs/affs: release old buffer head on error path
2021-03-04 11:38:37 +01:00
afs
rxrpc, afs: Fix selection of abort codes
2022-06-09 10:20:56 +02:00
autofs
autofs: harden ioctl table
2020-10-16 11:11:22 -07:00
befs
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
bfs
bfs: don't use WARNING: string when it's just info.
2021-01-06 14:56:52 +01:00
btrfs
btrfs: repair super block num_devices automatically
2022-06-09 10:20:49 +02:00
cachefiles
fs/cachefiles: Remove wait_bit_key layout dependency
2021-03-30 14:32:07 +02:00
ceph
ceph: fix setting of xattrs on async created inodes
2022-05-18 10:23:47 +02:00
cifs
cifs: when extending a file with falloc we should make files not-sparse
2022-06-09 10:20:48 +02:00
coda
…
configfs
configfs: fix a race in configfs_{,un}register_subsystem()
2022-03-02 11:42:52 +01:00
cramfs
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
crypto
fscrypt: allow 256-bit master keys with AES-256-XTS
2021-11-18 14:03:54 +01:00
debugfs
debugfs: lockdown: Allow reading debugfs files that are not world readable
2022-01-27 10:54:02 +01:00
devpts
fsnotify: fix fsnotify hooks in pseudo filesystems
2022-02-01 17:25:39 +01:00
dlm
fs: dlm: filter user dlm messages for kernel locks
2022-01-27 10:54:10 +01:00
ecryptfs
Revert "ecryptfs: replace BUG_ON with error handling code"
2021-05-26 12:06:55 +02:00
efivarfs
efivarfs: revert "fix memory leak in efivarfs_create()"
2020-11-25 16:55:02 +01:00
efs
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
erofs
erofs: fix deadlock when shrink erofs slab
2021-12-01 09:19:05 +01:00
exfat
exfat: check if cluster num is valid
2022-06-06 08:42:42 +02:00
exportfs
…
ext2
ext2: correct max file size computing
2022-04-08 14:40:18 +02:00
ext4
ext4: reject the 'commit' option on ext2 filesystems
2022-06-09 10:21:10 +02:00
f2fs
f2fs: compress: fix to print raw data size in error path of lz4 decompression
2022-04-08 14:40:33 +02:00
fat
fat: add ratelimit to fat*_ent_bread()
2022-06-09 10:20:58 +02:00
freevxfs
…
fscache
fscache: Fix cookie key hashing
2021-09-18 13:40:15 +02:00
fuse
fuse: fix pipe buffer lifetime for direct_io
2022-03-16 14:16:01 +01:00
gfs2
gfs2: use i_lock spin_lock for inode qadata
2022-06-09 10:20:57 +02:00
hfs
hfs: add lock nesting notation to hfs_find_init
2021-07-31 08:16:12 +02:00
hfsplus
hfsplus: prevent corruption in shrinking truncate
2021-05-19 10:13:10 +02:00
hostfs
hostfs: fix memory handling in follow_link()
2021-04-14 08:42:06 +02:00
hpfs
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
hugetlbfs
mm, hugetlb: allow for "high" userspace addresses
2022-04-27 13:53:54 +02:00
iomap
iomap: iomap_write_failed fix
2022-06-09 10:21:06 +02:00
isofs
isofs: Fix out of bound access for corrupted isofs image
2021-11-12 14:58:33 +01:00
jbd2
jbd2: fix a potential race while discarding reserved buffers after an abort
2022-04-27 13:53:57 +02:00
jffs2
jffs2: fix memory leak in jffs2_scan_medium
2022-04-08 14:39:52 +02:00
jfs
fs: jfs: fix possible NULL pointer dereference in dbFree()
2022-06-09 10:20:57 +02:00
kernfs
kernfs: wire up ->splice_read and ->splice_write
2021-01-27 11:55:29 +01:00
lockd
lockd: lockd server-side shouldn't set fl_ops
2021-09-18 13:40:30 +02:00
minix
minix: fix bug when opening a file with O_DIRECT
2022-04-13 21:01:01 +02:00
nfs
NFS: Memory allocation failures are not server fatal errors
2022-06-06 08:42:44 +02:00
nfs_common
nfs_common: need lock during iterate through the list
2020-12-30 11:53:45 +01:00
nfsd
NFSD: Fix possible sleep during nfsd4_release_lockowner()
2022-06-06 08:42:45 +02:00
nilfs2
nilfs2: fix lockdep warnings during disk space reclamation
2022-05-25 09:17:54 +02:00
nls
…
notify
fsnotify: fix wrong lockdep annotations
2022-06-09 10:21:03 +02:00
ntfs
ntfs: add sanity check on allocation size
2022-04-08 14:40:33 +02:00
ocfs2
ocfs2: fix crash when initialize filecheck kobj fails
2022-03-23 09:13:27 +01:00
omfs
fs: omfs: use kmemdup() rather than kmalloc+memcpy
2020-09-22 23:39:45 -04:00
openpromfs
…
orangefs
orangefs: Fix the size of a memory allocation in orangefs_bufmap_alloc()
2022-01-20 09:17:50 +01:00
overlayfs
ovl: fix warning in ovl_create_real()
2021-12-22 09:30:58 +01:00
proc
proc: fix dentry/inode overinstantiating under /proc/${pid}/net
2022-06-09 10:21:17 +02:00
pstore
pstore: Don't use semaphores in always-atomic-context code
2022-04-08 14:39:56 +02:00
qnx4
qnx4: work around gcc false positive warning bug
2021-09-30 10:11:08 +02:00
qnx6
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
quota
quota: make dquot_quota_sync return errors from ->sync_fs
2022-02-23 12:00:59 +01:00
ramfs
ramfs: fix nommu mmap with gaps in the page cache
2020-10-16 11:11:22 -07:00
reiserfs
reiserfs: check directory items on read from disk
2021-08-12 13:22:19 +02:00
romfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-10-24 12:26:05 -07:00
squashfs
squashfs: fix divide error in calculate_skip()
2021-05-19 10:13:10 +02:00
sysfs
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
2020-10-02 12:02:30 +02:00
sysv
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
tracefs
tracefs: Set the group ownership in apply_options() not parse_options()
2022-03-02 11:42:54 +01:00
ubifs
ubifs: Rectify space amount budget for mkdir/tmpfile operations
2022-04-13 21:00:53 +02:00
udf
udf: Fix NULL ptr deref when converting from inline format
2022-02-01 17:25:39 +01:00
ufs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-10-24 12:26:05 -07:00
unicode
unicode: Add utf8_casefold_hash
2020-09-10 14:03:31 -07:00
vboxsf
vboxfs: fix broken legacy mount signature checking
2021-10-17 10:43:33 +02:00
verity
fs-verity: fix signed integer overflow with i_size near S64_MAX
2021-10-06 15:55:46 +02:00
xfs
xfs: Fix CIL throttle hang when CIL space used going backwards
2022-06-06 08:42:42 +02:00
zonefs
zonefs: Clear inode information flags on inode creation
2022-05-09 09:05:06 +02:00
aio.c
aio: fix use-after-free due to missing POLLFREE handling
2021-12-14 11:32:40 +01:00
anon_inodes.c
…
attr.c
…
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
coredump: Snapshot the vmas in do_coredump
2022-04-08 14:40:44 +02:00
binfmt_elf.c
coredump: Use the vma snapshot in fill_files_note
2022-04-08 14:40:45 +02:00
binfmt_em86.c
…
binfmt_flat.c
binfmt_flat: do not stop relocating GOT entries prematurely on riscv
2022-06-09 10:20:47 +02:00
binfmt_misc.c
binfmt_misc: fix possible deadlock in bm_register_write
2021-03-17 17:06:35 +01:00
binfmt_script.c
…
block_dev.c
block: fix a race between del_gendisk and BLKRRPART
2021-06-03 09:00:45 +02:00
buffer.c
mm, memcg: rework remote charging API to support nesting
2020-10-18 09:27:09 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
coredump.c
coredump: Use the vma snapshot in fill_files_note
2022-04-08 14:40:45 +02:00
d_path.c
fs: fix NULL dereference due to data race in prepend_path()
2020-10-14 14:54:45 -07:00
dax.c
dax: fix cache flush on PMD-mapped pages
2022-06-09 10:21:16 +02:00
dcache.c
…
dcookies.c
…
direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-14 08:41:58 +02:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
fs/epoll: restore waking from ep_done_scan()
2021-05-11 14:47:12 +02:00
exec.c
exec: Force single empty string when argv is empty
2022-04-08 14:39:57 +02:00
fcntl.c
fcntl: fix potential deadlock for &fasync_struct.fa_lock
2021-09-15 09:50:27 +02:00
fhandle.c
…
file_table.c
SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
2022-05-18 10:23:48 +02:00
file.c
fs: fix fd table size alignment properly
2022-04-08 14:40:30 +02:00
filesystems.c
…
fs_context.c
memcg: charge fs_context and legacy_fs_context
2022-02-08 18:30:36 +01:00
fs_parser.c
fs_parse: mark fs_param_bad_value() as static
2020-10-13 18:38:27 -07:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
writeback: fix obtain a reference to a freeing memcg css
2021-07-14 16:56:31 +02:00
fsopen.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
init.c
…
inode.c
fs: export an inode_update_time helper
2021-11-26 10:39:22 +01:00
internal.h
cgroup1: fix leaked context root causing sporadic NULL deref in LTP
2021-07-31 08:16:11 +02:00
io_uring.c
io_uring: fix using under-expanded iters
2022-06-06 08:42:41 +02:00
io-wq.c
io-wq: fix wakeup race when adding new work
2021-09-18 13:40:06 +02:00
io-wq.h
io_uring: always batch cancel in *cancel_files()
2021-02-13 13:54:56 +01:00
ioctl.c
fs: fix an infinite loop in iomap_fiemap
2022-05-25 09:17:54 +02:00
Kconfig
tmpfs: disallow CONFIG_TMPFS_INODE64 on alpha
2021-02-17 11:02:21 +01:00
Kconfig.binfmt
…
kernel_read_file.c
vfs: check fd has read access in kernel_read_file_from_fd()
2021-10-27 09:56:51 +02:00
libfs.c
libfs: fix error cast of negative value in simple_attr_write()
2020-11-22 10:48:22 -08:00
locks.c
Revert "nfsd4: a client's own opens needn't prevent delegations"
2021-03-20 10:43:44 +01:00
Makefile
Refactored code for 5.10:
2020-10-23 11:33:41 -07:00
mbcache.c
…
mount.h
…
mpage.c
…
namei.c
fsnotify: invalidate dcache before IN_DELETE event
2022-02-01 17:25:48 +01:00
namespace.c
fs: warn about impending deprecation of mandatory locks
2021-08-26 08:35:57 -04:00
no-block.c
…
nsfs.c
…
open.c
open: don't silently ignore unknown O-flags in openat2()
2021-07-14 16:55:59 +02:00
pipe.c
pipe: Fix missing lock in pipe_resize_ring()
2022-06-06 08:42:41 +02:00
pnode.c
…
pnode.h
mount: fix mounting of detached mounts onto targets that reside on shared mounts
2021-03-17 17:06:13 +01:00
posix_acl.c
…
proc_namespace.c
proc mountinfo: make splice available again
2020-12-30 11:54:02 +01:00
read_write.c
Refactored code for 5.10:
2020-10-23 11:33:41 -07:00
readdir.c
readdir: make sure to verify directory entry for legacy interfaces too
2021-04-21 13:00:54 +02:00
remap_range.c
vfs: move the remap range helpers to remap_range.c
2020-10-15 09:48:49 -07:00
select.c
select: Fix indefinitely sleeping task in poll_schedule_timeout()
2022-01-29 10:26:11 +01:00
seq_file.c
seq_file: disallow extremely large seq buffer allocations
2021-07-20 16:05:59 +02:00
signalfd.c
signalfd: use wake_up_pollfree()
2021-12-14 11:32:40 +01:00
splice.c
io_uring-5.10-2020-10-24
2020-10-24 12:40:18 -07:00
stack.c
…
stat.c
stat: fix inconsistency between struct stat and struct compat_stat
2022-04-27 13:53:54 +02:00
statfs.c
Add a "nosymfollow" mount option.
2020-08-27 16:06:47 -04:00
super.c
vfs: make freeze_super abort when sync_filesystem returns error
2022-02-23 12:00:59 +01:00
sync.c
…
timerfd.c
…
userfaultfd.c
userfaultfd: fix a race between writeprotect and exit_mmap()
2021-10-27 09:56:51 +02:00
utimes.c
…
xattr.c
fs/xattr.c: fix kernel-doc warnings for setxattr & removexattr
2020-10-13 18:38:27 -07:00