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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Pablo Neira Ayuso <pablo@netfilter.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.11 212/329] netfilter: nftables: Fix a memleak from userdata error path in new objects
Date:   Mon, 17 May 2021 16:02:03 +0200
Message-Id: <20210517140309.308817583@linuxfoundation.org>
In-Reply-To: <20210517140302.043055203@linuxfoundation.org>
References: <20210517140302.043055203@linuxfoundation.org>
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From: Pablo Neira Ayuso <pablo@netfilter.org>

[ Upstream commit 85dfd816fabfc16e71786eda0a33a7046688b5b0 ]

Release object name if userdata allocation fails.

Fixes: b131c96496b3 ("netfilter: nf_tables: add userdata support for nft_object")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nf_tables_api.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index d6ec76a0fe62..1380369d5787 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -6213,9 +6213,9 @@ err_obj_ht:
 	INIT_LIST_HEAD(&obj->list);
 	return err;
 err_trans:
-	kfree(obj->key.name);
-err_userdata:
 	kfree(obj->udata);
+err_userdata:
+	kfree(obj->key.name);
 err_strdup:
 	if (obj->ops->destroy)
 		obj->ops->destroy(&ctx, obj);
-- 
2.30.2