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authorOleg Nesterov <oleg@redhat.com>2013-08-08 18:55:32 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-08-08 13:11:39 -0700
commit8742f229b635bf1c1c84a3dfe5e47c814c20b5c8 (patch)
tree3d9f64cf0c9d705b9f422d137c8067fa2d41f3c8 /mm
parent55f5bfd4c94b923d965d47f5c1889ef8f98fcef1 (diff)
downloadlinux-8742f229b635bf1c1c84a3dfe5e47c814c20b5c8.tar.gz
userns: limit the maximum depth of user_namespace->parent chain
Ensure that user_namespace->parent chain can't grow too much.
Currently we use the hardroded 32 as limit.

Reported-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions