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-rw-r--r--net/netfilter/nfnetlink_cthelper.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c
index a9da433c8149..3b283edec027 100644
--- a/net/netfilter/nfnetlink_cthelper.c
+++ b/net/netfilter/nfnetlink_cthelper.c
@@ -74,6 +74,9 @@ nfnl_cthelper_parse_tuple(struct nf_conntrack_tuple *tuple,
if (!tb[NFCTH_TUPLE_L3PROTONUM] || !tb[NFCTH_TUPLE_L4PROTONUM])
return -EINVAL;
+ /* Not all fields are initialized so first zero the tuple */
+ memset(tuple, 0, sizeof(struct nf_conntrack_tuple));
+
tuple->src.l3num = ntohs(nla_get_be16(tb[NFCTH_TUPLE_L3PROTONUM]));
tuple->dst.protonum = nla_get_u8(tb[NFCTH_TUPLE_L4PROTONUM]);