Unverified Commit b51141f8 authored May 25, 2024 by openeuler-ci-bot Committed by Gitee May 25, 2024

!7960 ipv6: Fix infinite recursion in fib6_dump_done().

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhengchao Shao <shaozhengchao@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/TGXTGT6IQJWI6NZNGZOZZTIGFWKKZNLS/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9QG76 
 
Link:https://gitee.com/openeuler/kernel/pulls/7960

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>

parents e49915a3 e39c9433

net/ipv6/ip6_fib.c

+7 −7

Original line number	Diff line number	Diff line
		@@ -644,19 +644,19 @@ static int inet6_dump_fib(struct sk_buff skb, struct netlink_callback cb)
		if (!w) {
		/* New dump:
		*
		* 1. hook callback destructor.
		*/
		cb->args[3] = (long)cb->done;
		cb->done = fib6_dump_done;

		/*
		* 2. allocate and initialize walker.
		* 1. allocate and initialize walker.
		*/
		w = kzalloc(sizeof(*w), GFP_ATOMIC);
		if (!w)
		return -ENOMEM;
		w->func = fib6_dump_node;
		cb->args[2] = (long)w;

		/* 2. hook callback destructor.
		*/
		cb->args[3] = (long)cb->done;
		cb->done = fib6_dump_done;

		}

		arg.skb = skb;