Cong Wang be6c08bf9a netfilter: xt_cgroup: initialize info->priv in cgroup_mt_check_v1()
commit ba7cd5d95f25cc6005f687dabdb4e7a6063adda9 upstream.

xt_cgroup_info_v1->priv is an internal pointer only used for kernel,
we should not trust what user-space provides.

Reported-by: <syzbot+4fbcfcc0d2e6592bd641@syzkaller.appspotmail.com>
Fixes: c38c4597e4bf ("netfilter: implement xt_cgroup cgroup2 path match")
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-25 11:07:50 +01:00
..
2018-02-22 15:42:23 +01:00
2017-11-01 12:19:03 +09:00
2017-08-29 15:16:52 -07:00
2017-11-08 14:32:18 +09:00
2018-02-03 17:39:01 +01:00
2018-02-22 15:42:23 +01:00