From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2BAE2149C57; Mon, 16 Sep 2024 12:11:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726488670; cv=none; b=p+7m7e6nGv4AcMdh+IzJVK+TXQVS6PDUyrv4Rz9Zz4HYZk4T5u17cWKzatjNY5E3XTkn4h08MEjQ7BhBZJ+E/GM3LmrAB5ezeMfxXUH+MICqkmFF/DBBgMhpZ4GazxF99cTgfatMZupdYkB1YzaFXtuT/WcNffe4KIXC263/Wqc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726488670; c=relaxed/simple; bh=bNAzY/3imvP5IElGAgLlLEKQkMBJxHPA1jDHowjRBDQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Rup+Jcc7S3XUGTd6z4AaqBRCFsUI6thy+6EdH8cFxxkuoLlgiNMBYlm/zra66ecfmEAxkB8YxnvPDO+Tm+Ah7UhOp3Gm8Jc/eA81kbIt5QD/30o7ePc3rcn23Y8gBwyXWrvi95xf3FEJVB7jvhdKr01RM4RwRtjEWOMgV3O6kCs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=J131iAwH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="J131iAwH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A33BEC4CEC4; Mon, 16 Sep 2024 12:11:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1726488670; bh=bNAzY/3imvP5IElGAgLlLEKQkMBJxHPA1jDHowjRBDQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J131iAwHsHuBq4GJ9dTB5GrQjRTZoZ3zrfXKTrhLURq4Pma6YT9ivIuC6DhZyiCWn Gk46J0zI1zqcRBBK9OUMtLAwl0uOizzx14T+qDVQV2fBdeZf4TWO2zdKIozglB6+LK +7du9YXCKD1n2Hqe0UkG/Zc9N75cuOgpYSpIsnA4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Florian Westphal , Pablo Neira Ayuso , Sasha Levin Subject: [PATCH 6.6 72/91] netfilter: nft_socket: fix sk refcount leaks Date: Mon, 16 Sep 2024 13:44:48 +0200 Message-ID: <20240916114226.850044503@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240916114224.509743970@linuxfoundation.org> References: <20240916114224.509743970@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Florian Westphal [ Upstream commit 8b26ff7af8c32cb4148b3e147c52f9e4c695209c ] We must put 'sk' reference before returning. Fixes: 039b1f4f24ec ("netfilter: nft_socket: fix erroneous socket assignment") Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nft_socket.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c index f30163e2ca62..765ffd6e06bc 100644 --- a/net/netfilter/nft_socket.c +++ b/net/netfilter/nft_socket.c @@ -110,13 +110,13 @@ static void nft_socket_eval(const struct nft_expr *expr, *dest = READ_ONCE(sk->sk_mark); } else { regs->verdict.code = NFT_BREAK; - return; + goto out_put_sk; } break; case NFT_SOCKET_WILDCARD: if (!sk_fullsock(sk)) { regs->verdict.code = NFT_BREAK; - return; + goto out_put_sk; } nft_socket_wildcard(pkt, regs, sk, dest); break; @@ -124,7 +124,7 @@ static void nft_socket_eval(const struct nft_expr *expr, case NFT_SOCKET_CGROUPV2: if (!nft_sock_get_eval_cgroupv2(dest, sk, pkt, priv->level)) { regs->verdict.code = NFT_BREAK; - return; + goto out_put_sk; } break; #endif @@ -133,6 +133,7 @@ static void nft_socket_eval(const struct nft_expr *expr, regs->verdict.code = NFT_BREAK; } +out_put_sk: if (sk != skb->sk) sock_gen_put(sk); } -- 2.43.0