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authorXin Long <lucien.xin@gmail.com>2017-08-09 13:15:19 +0300
committerDavid S. Miller <davem@davemloft.net>2017-08-10 08:46:44 +0300
commit96d9703050a0036a3360ec98bb41e107c90664fe (patch)
tree654b4487addf52199b5d7a8efa3b71a2b04003da /net/sched/act_ipt.c
parent1714020e42b17135032c8606f7185b3fb2ba5d78 (diff)
downloadlinux-96d9703050a0036a3360ec98bb41e107c90664fe.tar.xz
net: sched: set xt_tgchk_param par.nft_compat as 0 in ipt_init_target
Commit 55917a21d0cc ("netfilter: x_tables: add context to know if extension runs from nft_compat") introduced a member nft_compat to xt_tgchk_param structure. But it didn't set it's value for ipt_init_target. With unexpected value in par.nft_compat, it may return unexpected result in some target's checkentry. This patch is to set all it's fields as 0 and only initialize the non-zero fields in ipt_init_target. v1->v2: As Wang Cong's suggestion, fix it by setting all it's fields as 0 and only initializing the non-zero fields. Fixes: 55917a21d0cc ("netfilter: x_tables: add context to know if extension runs from nft_compat") Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/act_ipt.c')
-rw-r--r--net/sched/act_ipt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 94ba5cfab860..d516ba8178b8 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -49,9 +49,9 @@ static int ipt_init_target(struct net *net, struct xt_entry_target *t,
return PTR_ERR(target);
t->u.kernel.target = target;
+ memset(&par, 0, sizeof(par));
par.net = net;
par.table = table;
- par.entryinfo = NULL;
par.target = target;
par.targinfo = t->data;
par.hook_mask = hook;