netdev - [PATCH] netfilter: nf_tables: Modify nla_memdup's flag to GFP_KERNEL

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:   Thu,  6 Apr 2023 11:41:44 +0800
From:   Chen Aotian <chenaotian@....com>
To:     pablo@...filter.org
Cc:     kadlec@...filter.org, fw@...len.de, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chen Aotian <chenaotian@....com>
Subject: [PATCH] netfilter: nf_tables: Modify nla_memdup's flag to GFP_KERNEL_ACCOUNT

For memory alloc that store user data from nla[NFTA_OBJ_USERDATA], 
use GFP_KERNEL_ACCOUNT is more suitable.

Signed-off-by: Chen Aotian <chenaotian@....com>
---
 net/netfilter/nf_tables_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 6004d4b24..cd52109e6 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -7052,7 +7052,7 @@ static int nf_tables_newobj(struct sk_buff *skb, const struct nfnl_info *info,
 	}
 
 	if (nla[NFTA_OBJ_USERDATA]) {
-		obj->udata = nla_memdup(nla[NFTA_OBJ_USERDATA], GFP_KERNEL);
+		obj->udata = nla_memdup(nla[NFTA_OBJ_USERDATA], GFP_KERNEL_ACCOUNT);
 		if (obj->udata == NULL)
 			goto err_userdata;
 
-- 
2.25.1