From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/net/netfilter/nf_conntrack_helper.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/kernel/net/netfilter/nf_conntrack_helper.c b/kernel/net/netfilter/nf_conntrack_helper.c
index 118f415..32cc91f 100644
--- a/kernel/net/netfilter/nf_conntrack_helper.c
+++ b/kernel/net/netfilter/nf_conntrack_helper.c
@@ -404,6 +404,9 @@
BUG_ON(me->expect_class_max >= NF_CT_MAX_EXPECT_CLASSES);
BUG_ON(strlen(me->name) > NF_CT_HELPER_NAME_LEN - 1);
+ if (!nf_ct_helper_hash)
+ return -ENOENT;
+
if (me->expect_policy->max_expected > NF_CT_EXPECT_MAX_CNT)
return -EINVAL;
@@ -587,4 +590,5 @@
{
nf_ct_extend_unregister(&helper_extend);
kvfree(nf_ct_helper_hash);
+ nf_ct_helper_hash = NULL;
}
--
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