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[2620:137:e000::1:20]) by mx.google.com with ESMTP id by26-20020a0564021b1a00b0043bcd636e2esi1169699edb.81.2022.07.28.11.16.40; Thu, 28 Jul 2022 11:17:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="tv/tURLn"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229701AbiG1SKU (ORCPT + 99 others); Thu, 28 Jul 2022 14:10:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229883AbiG1SKS (ORCPT ); Thu, 28 Jul 2022 14:10:18 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AEE41274F; Thu, 28 Jul 2022 11:10:16 -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 30E3FB824D5; Thu, 28 Jul 2022 18:10:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id DB1B3C433D7; Thu, 28 Jul 2022 18:10:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659031813; bh=xRpoizgvv4lZkhCa22vbs/t1Tpir9PIfJgTZUZjcgxQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=tv/tURLnlVWIVkb7C4O7obejDAe31fC9py0fQlGfFpTl9IRUGS9QDfVgqRb8OKvN7 TSlAg69s8sycGzM6JpT9laNXGTLwudktLh5dWQjOj0bj64zNkqyiazJSW6eLWyNHeT Rr6FjZUYy24MrB/NVuLkLOPUbGnViGsYgOzZ6umJAKV4cgs1aBZqka/TJqiZifA0s4 dZ1iedZ7QmGMOnMmpyrTicV8myfDZeu3NcqNWDLaLhSjrPknji3oJv3wlGe6NU6Blm cmnmg4dJq3E5uLbsH70xZz3n3CQG/3jvNgjv1ZYYpiraLGdb8SUnUNnMtZaDLraaJI ieQrLOZLbeoXA== 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 C0D54C43144; Thu, 28 Jul 2022 18:10:13 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v3] ipv6/addrconf: fix a null-ptr-deref bug for ip6_ptr From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165903181378.2291.14998545126043413404.git-patchwork-notify@kernel.org> Date: Thu, 28 Jul 2022 18:10:13 +0000 References: <20220728013307.656257-1-william.xuanziyang@huawei.com> In-Reply-To: <20220728013307.656257-1-william.xuanziyang@huawei.com> To: Ziyang Xuan Cc: davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski : On Thu, 28 Jul 2022 09:33:07 +0800 you wrote: > Change net device's MTU to smaller than IPV6_MIN_MTU or unregister > device while matching route. That may trigger null-ptr-deref bug > for ip6_ptr probability as following. > > ========================================================= > BUG: KASAN: null-ptr-deref in find_match.part.0+0x70/0x134 > Read of size 4 at addr 0000000000000308 by task ping6/263 > > [...] Here is the summary with links: - [net,v3] ipv6/addrconf: fix a null-ptr-deref bug for ip6_ptr https://git.kernel.org/netdev/net/c/85f0173df35e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html