!3367 ipv4: igmp: fix refcnt uaf issue when receiving igmp query 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/Z3PREF2CI2FPTXAZOCHBAMQXYTL7K4C6/ 
 
https://gitee.com/openeuler/kernel/issues/I8K0N2 
 
Link:https://gitee.com/openeuler/kernel/pulls/3367

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>