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 F2B551C6AE for ; Mon, 13 Nov 2023 11:10:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="a5F5WHuj" Received: by smtp.kernel.org (Postfix) with ESMTPS id 96D49C433CA; Mon, 13 Nov 2023 11:10:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699873824; bh=Z3fpOI3dRNpV1WEWVhwQpK14RGQjDZBGTALBjV5IbJk=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=a5F5WHujSBrpNhOgle5/MwCMN9SlHdGh3aiNufQufzLHW3hSlxjdQfA+1dN0kYk5Q OdjXLg2WIgheskWYISr4JDcO85EIwIQ191Y//UiG01C20NWzmZDdpkMsQ4Wd8TlWTY +6+ez14DvZVbx/mtjagRe4OUCFzmTcbgbM/4CC8xoIHdT1VrSaf+37I00+AUshxxJi 9uDJn7RqeQ8E5sB4VUih+B2mn2eF0gf/M9Uu3KNaPt9MyE13/tNQyB6IzmuvBrb+// atVFYqv6UFEUALtHG+w0YBw8PaPwHW19Gv/KArpOkd2CYEpOzQE/wMIsjMy6F7Dp2A XpKS9/Lt9JwiA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 72243E32713; Mon, 13 Nov 2023 11:10:24 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] tipc: Fix kernel-infoleak due to uninitialized TLV value From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169987382446.356.7864924511741538484.git-patchwork-notify@kernel.org> Date: Mon, 13 Nov 2023 11:10:24 +0000 References: <20231110163947.1605168-1-syoshida@redhat.com> In-Reply-To: <20231110163947.1605168-1-syoshida@redhat.com> To: Shigeru Yoshida Cc: jmaloy@redhat.com, ying.xue@windriver.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Sat, 11 Nov 2023 01:39:47 +0900 you wrote: > KMSAN reported the following kernel-infoleak issue: > > ===================================================== > BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline] > BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline] > BUG: KMSAN: kernel-infoleak in iterate_ubuf include/linux/iov_iter.h:29 [inline] > BUG: KMSAN: kernel-infoleak in iterate_and_advance2 include/linux/iov_iter.h:245 [inline] > BUG: KMSAN: kernel-infoleak in iterate_and_advance include/linux/iov_iter.h:271 [inline] > BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x4ec/0x2bc0 lib/iov_iter.c:186 > instrument_copy_to_user include/linux/instrumented.h:114 [inline] > copy_to_user_iter lib/iov_iter.c:24 [inline] > iterate_ubuf include/linux/iov_iter.h:29 [inline] > iterate_and_advance2 include/linux/iov_iter.h:245 [inline] > iterate_and_advance include/linux/iov_iter.h:271 [inline] > _copy_to_iter+0x4ec/0x2bc0 lib/iov_iter.c:186 > copy_to_iter include/linux/uio.h:197 [inline] > simple_copy_to_iter net/core/datagram.c:532 [inline] > __skb_datagram_iter.5+0x148/0xe30 net/core/datagram.c:420 > skb_copy_datagram_iter+0x52/0x210 net/core/datagram.c:546 > skb_copy_datagram_msg include/linux/skbuff.h:3960 [inline] > netlink_recvmsg+0x43d/0x1630 net/netlink/af_netlink.c:1967 > sock_recvmsg_nosec net/socket.c:1044 [inline] > sock_recvmsg net/socket.c:1066 [inline] > __sys_recvfrom+0x476/0x860 net/socket.c:2246 > __do_sys_recvfrom net/socket.c:2264 [inline] > __se_sys_recvfrom net/socket.c:2260 [inline] > __x64_sys_recvfrom+0x130/0x200 net/socket.c:2260 > do_syscall_x64 arch/x86/entry/common.c:51 [inline] > do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 > entry_SYSCALL_64_after_hwframe+0x63/0x6b > > [...] Here is the summary with links: - [net] tipc: Fix kernel-infoleak due to uninitialized TLV value https://git.kernel.org/netdev/net/c/fb317eb23b5e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html