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23 October 2021, 00:29:24 UTC
Revision 1fde6f21d90f8ba5da3cb9c54ca991ed72696c43 authored by Alexey Dobriyan on 01 February 2019, 22:20:01 UTC, committed by Linus Torvalds on 01 February 2019, 23:46:22 UTC 
proc: fix /proc/net/* after setns(2)
 
/proc entries under /proc/net/* can't be cached into dcache because
setns(2) can change current net namespace.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: avoid vim miscolorization]
[adobriyan@gmail.com: write test, add dummy ->d_revalidate hook: necessary if /proc/net/* is pinned at setns time]
  Link: http://lkml.kernel.org/r/20190108192350.GA12034@avx2
Link: http://lkml.kernel.org/r/20190107162336.GA9239@avx2
Fixes: 1da4d377f943fe4194ffb9fb9c26cc58fad4dd24 ("proc: revalidate misc dentries")
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reported-by: Mateusz Stępień <mateusz.stepien@netrounds.com>
Reported-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 1723058
History
Tip revision: 1fde6f21d90f8ba5da3cb9c54ca991ed72696c43 authored by Alexey Dobriyan on 01 February 2019, 22:20:01 UTC
proc: fix /proc/net/* after setns(2)
Tip revision: 1fde6f2
File Mode Size
Kconfig -rw-r--r-- 63.8 KB
Makefile -rw-r--r-- 1.2 KB
calibrate.c -rw-r--r-- 8.6 KB
do_mounts.c -rw-r--r-- 15.1 KB
do_mounts.h -rw-r--r-- 1.1 KB
do_mounts_initrd.c -rw-r--r-- 3.5 KB
do_mounts_md.c -rw-r--r-- 7.9 KB
do_mounts_rd.c -rw-r--r-- 8.1 KB
init_task.c -rw-r--r-- 5.2 KB
initramfs.c -rw-r--r-- 13.7 KB
main.c -rw-r--r-- 28.4 KB
noinitramfs.c -rw-r--r-- 1.5 KB
version.c -rw-r--r-- 1.2 KB
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