!1831 fix NULL pointer dereference in __nf_nat_mangle_tcp_packet
Merge Pull Request from: @ci-robot PR sync from: Zhengchao Shao <shaozhengchao@huawei.com> https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/SSI5KSNIBIND62KVZGNOMSAFARHCSUFY/ When nf_nat_ipv4.ko is not loaded, l3proto is NULL pointer. If the csum_recalc function of l3proto is called, it will cause NULL pointer access issue. --- v3: add space after return type for Patch 3/3 v2: modify commit message for Patch 3/3 --- Florian Westphal (2): netfilter: nat: remove csum_recalc hook netfilter: nat: fix udp checksum corruption Zhengchao Shao (1): netfilter: nat: fix kabi change -- 2.34.1 https://gitee.com/openeuler/kernel/issues/I7O0PV Link:https://gitee.com/openeuler/kernel/pulls/1831 Reviewed-by: Yue Haibing <yuehaibing@huawei.com> Signed-off-by: Liu YongQiang <liuyongqiang13@huawei.com>
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net/netfilter/nf_nat_proto.c
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