From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C221C77B60 for ; Mon, 3 Apr 2023 09:20:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231787AbjDCJUv (ORCPT ); Mon, 3 Apr 2023 05:20:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231783AbjDCJUp (ORCPT ); Mon, 3 Apr 2023 05:20:45 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95E42A25D; Mon, 3 Apr 2023 02:20:23 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D6EB5B81639; Mon, 3 Apr 2023 09:20:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 6655CC4339C; Mon, 3 Apr 2023 09:20:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1680513619; bh=UDNPMuPsDND090IyeyJNHO/ANUFc551BRYCtKd2MvJg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=PYaIENdHn3xPPl2Slb1J4ZRCepFLzznYLvwTIAXPpE0m9xuefMw0ljahRJbmIKbVW 7Vyt/EA++I3qqoNlbCJHaOnWKbKjmBDMiTIzB/PJaTe1dPLoi9LxY4kwtZgJaZ6sCX I2yUbYoJ4d0MNMpcxQlP3hayg6n0WZbKC5TfltV0q8S+wFOgSLIbCHK9pCgMPXUI1R 4DAO+8L5VWd5cLNc47H8SfBOfPc65+oy+hmHPhOVT2oz0z2eFRDCs8CT239qBUzd+O qaEWLG/FcfJTxhtHCjrRcOlNzWsOEho+70+v13EZZBMbssmbe1eVPFmjl9BkErjCk9 4hGzkJ/26vkxw== 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 4E1A2E5EA82; Mon, 3 Apr 2023 09:20:19 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] ipv6: Fix an uninit variable access bug in __ip6_make_skb() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <168051361931.15794.6903951386733937555.git-patchwork-notify@kernel.org> Date: Mon, 03 Apr 2023 09:20:19 +0000 References: <20230403073417.2240575-1-william.xuanziyang@huawei.com> In-Reply-To: <20230403073417.2240575-1-william.xuanziyang@huawei.com> To: Ziyang Xuan Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dlstevens@us.ibm.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Mon, 3 Apr 2023 15:34:17 +0800 you wrote: > Syzbot reported a bug as following: > > ===================================================== > BUG: KMSAN: uninit-value in arch_atomic64_inc arch/x86/include/asm/atomic64_64.h:88 [inline] > BUG: KMSAN: uninit-value in arch_atomic_long_inc include/linux/atomic/atomic-long.h:161 [inline] > BUG: KMSAN: uninit-value in atomic_long_inc include/linux/atomic/atomic-instrumented.h:1429 [inline] > BUG: KMSAN: uninit-value in __ip6_make_skb+0x2f37/0x30f0 net/ipv6/ip6_output.c:1956 > arch_atomic64_inc arch/x86/include/asm/atomic64_64.h:88 [inline] > arch_atomic_long_inc include/linux/atomic/atomic-long.h:161 [inline] > atomic_long_inc include/linux/atomic/atomic-instrumented.h:1429 [inline] > __ip6_make_skb+0x2f37/0x30f0 net/ipv6/ip6_output.c:1956 > ip6_finish_skb include/net/ipv6.h:1122 [inline] > ip6_push_pending_frames+0x10e/0x550 net/ipv6/ip6_output.c:1987 > rawv6_push_pending_frames+0xb12/0xb90 net/ipv6/raw.c:579 > rawv6_sendmsg+0x297e/0x2e60 net/ipv6/raw.c:922 > inet_sendmsg+0x101/0x180 net/ipv4/af_inet.c:827 > sock_sendmsg_nosec net/socket.c:714 [inline] > sock_sendmsg net/socket.c:734 [inline] > ____sys_sendmsg+0xa8e/0xe70 net/socket.c:2476 > ___sys_sendmsg+0x2a1/0x3f0 net/socket.c:2530 > __sys_sendmsg net/socket.c:2559 [inline] > __do_sys_sendmsg net/socket.c:2568 [inline] > __se_sys_sendmsg net/socket.c:2566 [inline] > __x64_sys_sendmsg+0x367/0x540 net/socket.c:2566 > do_syscall_x64 arch/x86/entry/common.c:50 [inline] > do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 > entry_SYSCALL_64_after_hwframe+0x63/0xcd > > [...] Here is the summary with links: - [net] ipv6: Fix an uninit variable access bug in __ip6_make_skb() https://git.kernel.org/netdev/net/c/ea30388baebc You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html