linux-kernel - [PATCH 5.8 32/99] netfilter: nft_meta: use socket user

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Message-Id: <20200929105931.310039891@linuxfoundation.org>
Date:   Tue, 29 Sep 2020 13:01:15 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Phil Sutter <phil@....cc>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 32/99] netfilter: nft_meta: use socket user_ns to retrieve skuid and skgid

From: Pablo Neira Ayuso <pablo@...filter.org>

[ Upstream commit 0c92411bb81de9bc516d6924f50289d8d5f880e5 ]

... instead of using init_user_ns.

Fixes: 96518518cc41 ("netfilter: add nftables")
Tested-by: Phil Sutter <phil@....cc>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/netfilter/nft_meta.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index 7bc6537f3ccb5..b37bd02448d8c 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -147,11 +147,11 @@ nft_meta_get_eval_skugid(enum nft_meta_keys key,
 
 	switch (key) {
 	case NFT_META_SKUID:
-		*dest = from_kuid_munged(&init_user_ns,
+		*dest = from_kuid_munged(sock_net(sk)->user_ns,
 					 sock->file->f_cred->fsuid);
 		break;
 	case NFT_META_SKGID:
-		*dest =	from_kgid_munged(&init_user_ns,
+		*dest =	from_kgid_munged(sock_net(sk)->user_ns,
 					 sock->file->f_cred->fsgid);
 		break;
 	default:
-- 
2.25.1