Unverified Commit fb3a7131 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4101 netfilter: nf_tables: fix pointer math issue in nft_byteorder_eval() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/V2MTHECFGIB5VOCU4QDRMC5ROP24M5Q3/ 
 
https://gitee.com/src-openeuler/kernel/issues/I8WQRG 
 
Link:https://gitee.com/openeuler/kernel/pulls/4101

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents d7de179b 6cdccdff

net/netfilter/nft_byteorder.c

+3 −2
Original line number Diff line number Diff line
@@ -41,19 +41,20 @@ static void nft_byteorder_eval(const struct nft_expr *expr, 


	switch (priv->size) {

	case 8: {

		u64 *dst64 = (void *)dst;

		u64 src64;



		switch (priv->op) {

		case NFT_BYTEORDER_NTOH:

			for (i = 0; i < priv->len / 8; i++) {

				src64 = get_unaligned((u64 *)&src[i]);

				put_unaligned_be64(src64, &dst[i]);

				put_unaligned_be64(src64, &dst64[i]);

			}

			break;

		case NFT_BYTEORDER_HTON:

			for (i = 0; i < priv->len / 8; i++) {

				src64 = get_unaligned_be64(&src[i]);

				put_unaligned(src64, (u64 *)&dst[i]);

				put_unaligned(src64, (u64 *)&dst64[i]);

			}

			break;

		}