LTS: proc: fix lookup in /proc/net subdirectories after setns(2)
From: Rantala, Tommi T. (Nokia - FI/Espoo)
Date: Fri Jan 08 2021 - 02:48:26 EST
Hi Greg,
Can you cherry-pick these to 4.19.y & 5.4.y:
commit e06689bf57017ac022ccf0f2a5071f760821ce0f
Author: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Date: Wed Dec 4 16:49:59 2019 -0800
proc: change ->nlink under proc_subdir_lock
commit c6c75deda81344c3a95d1d1f606d5cee109e5d54
Author: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Date: Tue Dec 15 20:42:39 2020 -0800
proc: fix lookup in /proc/net subdirectories after setns(2)
-Tommi