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linux/fs/proc
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Alexey Dobriyan 7055197705 proc: fix dentry/inode overinstantiating under /proc/${pid}/net 
When a process exits, /proc/${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>
2022-05-09 18:29:19 -07:00
..
array.c
tracehook: Remove tracehook.h
2022-03-10 16:51:51 -06:00
base.c
ptrace: Cleanups for v5.18
2022-03-28 17:29:53 -07:00
bootconfig.c
proc: bootconfig: Add null pointer check
2022-04-02 08:40:09 -04:00
cmdline.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
consoles.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191
2019-05-30 11:29:21 -07:00
cpuinfo.c
proc/cpuinfo: switch to ->read_iter
2020-11-06 10:05:18 -08:00
devices.c
block: move block-related definitions out of fs.h
2020-06-24 09:16:02 -06:00
fd.c
procfs/dmabuf: add inode number to /proc/*/fdinfo
2021-07-01 11:06:04 -07:00
fd.h
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
generic.c
proc: fix dentry/inode overinstantiating under /proc/${pid}/net
2022-05-09 18:29:19 -07:00
inode.c
fs: allocate inode by using alloc_inode_sb()
2022-03-22 15:57:03 -07:00
internal.h
fs: proc: store PDE()->data into inode->i_private
2022-01-22 08:33:37 +02:00
interrupts.c
proc: introduce proc_create_seq{,_data}
2018-05-16 07:23:35 +02:00
Kconfig
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
kcore.c
fs/proc/kcore.c: remove check of list iterator against head past the loop body
2022-04-29 14:37:59 -07:00
kmsg.c
proc: faster open/read/close with "permanent" files
2020-04-07 10:43:42 -07:00
loadavg.c
sched: Make nr_running() return 32-bit value
2021-05-12 21:34:14 +02:00
Makefile
proc: bootconfig: Add /proc/bootconfig to show boot config list
2020-01-13 13:19:39 -05:00
meminfo.c
mm: memcontrol: convert NR_FILE_PMDMAPPED account to pages
2021-02-24 13:38:29 -08:00
namespaces.c
Merge branch 'work.openat2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-01-29 11:20:24 -08:00
nommu.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
page.c
mm: don't include <linux/memremap.h> in <linux/mm.h>
2022-03-03 12:47:33 -05:00
proc_net.c
proc: fix dentry/inode overinstantiating under /proc/${pid}/net
2022-05-09 18:29:19 -07:00
proc_sysctl.c
kernel/sysctl.c: rename sysctl_init() to sysctl_init_bases()
2022-01-22 08:33:36 +02:00
proc_tty.c
tty: replace ->proc_fops with ->proc_show
2018-05-16 07:24:30 +02:00
root.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
self.c
Revert "proc: don't allow async path resolution of /proc/self components"
2021-02-23 20:32:11 -07:00
softirqs.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
stat.c
fs/proc/uptime.c: Fix idle time reporting in /proc/uptime
2021-10-05 15:51:35 +02:00
task_mmu.c
proc: fix documentation and description of pagemap
2022-03-05 11:08:33 -08:00
task_nommu.c
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
thread_self.c
Revert "proc: don't allow async path resolution of /proc/thread-self components"
2021-02-23 20:32:11 -07:00
uptime.c
fs/proc/uptime.c: Fix idle time reporting in /proc/uptime
2021-10-05 15:51:35 +02:00
util.c
fs/proc/util.c: include fs/proc/internal.h for name_to_int()
2019-01-04 13:13:45 -08:00
version.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
vmcore.c
vmcore: convert read_from_oldmem() to take an iov_iter
2022-04-29 14:37:59 -07:00