Unverified Commit eb35bd41 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14913 xsk: fix OOB map writes when deleting elements 

Merge Pull Request from: @ci-robot 
 
PR sync from: Wang Liang <wangliang74@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/V22UCCGXYVQG6MG7X6GAEK4773B25DYI/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBEAPK 
 
Link:https://gitee.com/openeuler/kernel/pulls/14913

 

Reviewed-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 81806b2b bd9c6957

net/xdp/xskmap.c

+1 −1
Original line number Diff line number Diff line
@@ -224,7 +224,7 @@ static long xsk_map_delete_elem(struct bpf_map *map, void *key) 
	struct xsk_map *m = container_of(map, struct xsk_map, map);

	struct xdp_sock __rcu **map_entry;

	struct xdp_sock *old_xs;

	int k = *(u32 *)key;

	u32 k = *(u32 *)key;



	if (k >= map->max_entries)

		return -EINVAL;