Alexey Dobriyan
f14405e529
proc: reject "." and ".." as filenames ...
Various subsystems can create files and directories in /proc with names
directly controlled by userspace.
Which means "/", "." and ".." are no-no.
"/" split is already taken care of, do the other 2 prohibited names.
Link: http://lkml.kernel.org/r/20180310001223.GB12443@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Florian Westphal <fw@strlen.de>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>
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>
Signed-off-by: Panchajanya1999 <rsk52959@gmail.com>
Signed-off-by: Panchajanya1999 <panchajanya@azure-dev.live>
(cherry picked from commit 175721be2e505649ee481a9cd2bf14b228d12f2b)
Signed-off-by: Adithya R <gh0strider.2k18.reborn@gmail.com>
Signed-off-by: Forenche <prahul2003@gmail.com>
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f14405e529