Unverified Commit 43b0b6d3 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!8366 net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Pu Lehui <pulehui@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/IGIDKDRR6Q5URUT7LNX5ZVAHDFDRHT7M/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9S1ZN 
 
Link:https://gitee.com/openeuler/kernel/pulls/8366

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Reviewed-by: default avatarYe Weihua <yeweihua4@huawei.com>
Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents ae775c90 e25fe30a

drivers/net/ethernet/mellanox/mlx4/en_netdev.c

+7 −2
Original line number Diff line number Diff line
@@ -2279,9 +2279,14 @@ int mlx4_en_try_alloc_resources(struct mlx4_en_priv *priv, 
				bool carry_xdp_prog)

{

	struct bpf_prog *xdp_prog;

	int i, t;

	int i, t, ret;



	mlx4_en_copy_priv(tmp, priv, prof);

	ret = mlx4_en_copy_priv(tmp, priv, prof);

	if (ret) {

		en_warn(priv, "%s: mlx4_en_copy_priv() failed, return\n",

			__func__);

		return ret;

	}



	if (mlx4_en_alloc_resources(tmp)) {

		en_warn(priv,