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 ED1CC35A932; Fri, 9 Jan 2026 12:06:48 +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=1767960409; cv=none; b=UmEvNXmXpfgWLkviHeEvDiHcd9lvNj1m/5DXNzTIRB19l0osLLQkXMlPOLDg7Y131cGXCIIi1B2bzRuR4qs5kR7I2zYuK+Y0WZ1pl80XsKDPJHmyxq0izT2y5PuH+D/grguvGOamXkf9cAcLAVYLXOf034oevmjJjpc6X2i+A0A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767960409; c=relaxed/simple; bh=CdRN5elqxgXfAqrDrUoh9/NDs9uSr0YQGa+wQjfXZqI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=r+TUXFbueLXTfmN1caYBOIeI8SN2B/IrJHy9z1tut2PUN3PmBeXsLLa7fvVnNlfS8pGPvRkB2GaPR+BxJD1JcV4fhIcD9/LAii26GG5hsjNwXQJhdhUWEmeF3IlO+YKzwTDuuM9i4DARokTaynYYKCyhPDi8XpVSiyM9XRG/XQU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=1jvTZR98; 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="1jvTZR98" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68349C4CEF1; Fri, 9 Jan 2026 12:06:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767960408; bh=CdRN5elqxgXfAqrDrUoh9/NDs9uSr0YQGa+wQjfXZqI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1jvTZR98dPkLxBIDieNTmTzAfMElSYrNiD1PxgPHgwIcTjml0C9dmOPztB2jKtPCw rfSi7nY+2uXFyEVnUorDiPZUgQqVTJF5scbZjeV79Ih1r/wW13/9a2iUqfBUQheO3v ZT0u1ZRqmjBrpfXBg3qQGwGInWihCgZbnKtRWzsc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jian Shen , Jijie Shao , Simon Horman , Paolo Abeni , Sasha Levin Subject: [PATCH 6.6 360/737] net: hns3: add VLAN id validation before using Date: Fri, 9 Jan 2026 12:38:19 +0100 Message-ID: <20260109112147.537978421@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260109112133.973195406@linuxfoundation.org> References: <20260109112133.973195406@linuxfoundation.org> User-Agent: quilt/0.69 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: Jian Shen [ Upstream commit 6ef935e65902bfed53980ad2754b06a284ea8ac1 ] Currently, the VLAN id may be used without validation when receive a VLAN configuration mailbox from VF. The length of vlan_del_fail_bmap is BITS_TO_LONGS(VLAN_N_VID). It may cause out-of-bounds memory access once the VLAN id is bigger than or equal to VLAN_N_VID. Therefore, VLAN id needs to be checked to ensure it is within the range of VLAN_N_VID. Fixes: fe4144d47eef ("net: hns3: sync VLAN filter entries when kill VLAN ID failed") Signed-off-by: Jian Shen Signed-off-by: Jijie Shao Reviewed-by: Simon Horman Link: https://patch.msgid.link/20251211023737.2327018-4-shaojijie@huawei.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 2fa64099e8be2..2df0c6305b908 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -10479,6 +10479,9 @@ int hclge_set_vlan_filter(struct hnae3_handle *handle, __be16 proto, bool writen_to_tbl = false; int ret = 0; + if (vlan_id >= VLAN_N_VID) + return -EINVAL; + /* When device is resetting or reset failed, firmware is unable to * handle mailbox. Just record the vlan id, and remove it after * reset finished. -- 2.51.0