From: Dinghao Liu dinghao.liu@zju.edu.cn
stable inclusion from linux-4.19.169 commit 1921060a11b30dedfa8732c83de382788811bb83
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commit 869f4fdaf4ca7bb6e0d05caf6fa1108dddc346a7 upstream.
When register_pernet_subsys() fails, nf_nat_bysource should be freed just like when nf_ct_extend_register() fails.
Fixes: 1cd472bf036ca ("netfilter: nf_nat: add nat hook register functions to nf_nat") Signed-off-by: Dinghao Liu dinghao.liu@zju.edu.cn Acked-by: Florian Westphal fw@strlen.de Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com Signed-off-by: Cheng Jian cj.chengjian@huawei.com --- net/netfilter/nf_nat_core.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index f1576e46ee2c..8ea39b816c02 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -1087,6 +1087,7 @@ static int __init nf_nat_init(void) ret = register_pernet_subsys(&nat_net_ops); if (ret < 0) { nf_ct_extend_unregister(&nat_extend); + kvfree(nf_nat_bysource); return ret; }