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7055197705
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: c6c75deda8 ("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
consoles.c
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/${pid}/net 2022-05-09 18:29:19 -07:00
inode.c fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
internal.h fs: proc: store PDE()->data into inode->i_private 2022-01-22 08:33:37 +02:00
interrupts.c
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
kcore.c fs/proc/kcore.c: remove check of list iterator against head past the loop body 2022-04-29 14:37:59 -07:00
kmsg.c proc: faster open/read/close with "permanent" files 2020-04-07 10:43:42 -07:00
loadavg.c sched: Make nr_running() return 32-bit value 2021-05-12 21:34:14 +02:00
Makefile proc: bootconfig: Add /proc/bootconfig to show boot config list 2020-01-13 13:19:39 -05:00
meminfo.c mm: memcontrol: convert NR_FILE_PMDMAPPED account to pages 2021-02-24 13:38:29 -08:00
namespaces.c Merge branch 'work.openat2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-01-29 11:20:24 -08:00
nommu.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
page.c mm: don't include <linux/memremap.h> in <linux/mm.h> 2022-03-03 12:47:33 -05:00
proc_net.c proc: fix dentry/inode overinstantiating under /proc/${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
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
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
version.c
vmcore.c vmcore: convert read_from_oldmem() to take an iov_iter 2022-04-29 14:37:59 -07:00