From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/net/ipv4/raw_diag.c | 25 ++++++++++++-------------
1 files changed, 12 insertions(+), 13 deletions(-)
diff --git a/kernel/net/ipv4/raw_diag.c b/kernel/net/ipv4/raw_diag.c
index 1d84b02..1b5b8af 100644
--- a/kernel/net/ipv4/raw_diag.c
+++ b/kernel/net/ipv4/raw_diag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/inet_diag.h>
@@ -86,15 +87,16 @@
return sk ? sk : ERR_PTR(-ENOENT);
}
-static int raw_diag_dump_one(struct sk_buff *in_skb,
- const struct nlmsghdr *nlh,
+static int raw_diag_dump_one(struct netlink_callback *cb,
const struct inet_diag_req_v2 *r)
{
- struct net *net = sock_net(in_skb->sk);
+ struct sk_buff *in_skb = cb->skb;
struct sk_buff *rep;
struct sock *sk;
+ struct net *net;
int err;
+ net = sock_net(in_skb->sk);
sk = raw_sock_get(net, r);
if (IS_ERR(sk))
return PTR_ERR(sk);
@@ -108,10 +110,7 @@
return -ENOMEM;
}
- err = inet_sk_diag_fill(sk, NULL, rep, r,
- sk_user_ns(NETLINK_CB(in_skb).sk),
- NETLINK_CB(in_skb).portid,
- nlh->nlmsg_seq, 0, nlh,
+ err = inet_sk_diag_fill(sk, NULL, rep, cb, r, 0,
netlink_net_capable(in_skb, CAP_NET_ADMIN));
sock_put(sk);
@@ -136,25 +135,25 @@
if (!inet_diag_bc_sk(bc, sk))
return 0;
- return inet_sk_diag_fill(sk, NULL, skb, r,
- sk_user_ns(NETLINK_CB(cb->skb).sk),
- NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq, NLM_F_MULTI,
- cb->nlh, net_admin);
+ return inet_sk_diag_fill(sk, NULL, skb, cb, r, NLM_F_MULTI, net_admin);
}
static void raw_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- const struct inet_diag_req_v2 *r, struct nlattr *bc)
+ const struct inet_diag_req_v2 *r)
{
bool net_admin = netlink_net_capable(cb->skb, CAP_NET_ADMIN);
struct raw_hashinfo *hashinfo = raw_get_hashinfo(r);
struct net *net = sock_net(skb->sk);
+ struct inet_diag_dump_data *cb_data;
int num, s_num, slot, s_slot;
struct sock *sk = NULL;
+ struct nlattr *bc;
if (IS_ERR(hashinfo))
return;
+ cb_data = cb->data;
+ bc = cb_data->inet_diag_nla_bc;
s_slot = cb->args[0];
num = s_num = cb->args[1];
--
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