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[2620:137:e000::1:20]) by mx.google.com with ESMTP id bi19-20020a05640221d300b004132ced5365si6736033edb.521.2022.03.11.18.08.27; Fri, 11 Mar 2022 18:09:03 -0800 (PST) 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=jiTaJjfy; 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 S229935AbiCLBlQ (ORCPT + 99 others); Fri, 11 Mar 2022 20:41:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229447AbiCLBlP (ORCPT ); Fri, 11 Mar 2022 20:41:15 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE31724FE7C; Fri, 11 Mar 2022 17:40:11 -0800 (PST) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 5ED9561620; Sat, 12 Mar 2022 01:40:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id AAC2DC340EE; Sat, 12 Mar 2022 01:40:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647049210; bh=SL14ucMY0664sEX8YQjuCnVMCkZwZLl/4EypFG6lkho=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=jiTaJjfyU6oBcSgFN9FuCROZR2v8qVMKIjRljXUpk6hPqvXi/39rt/AY/igBOOHjU TjsouEcQWrUXSHbWo6j+YR2K5eZkX+iFkQM0/Vai6BREwIQvrCNkO6BKYUvgOHoEFx oAEioDTKGZonPqCcL2ojfX5DxaR10ISar7pqIEbBAjXBhk+uLovlmoiEcB99jgRhQq FXQULQVp2NCRPeMSPAAT3cdtHTNhObiIvUK59aDADzQ1Gz7kCnyII0rGzTrmT0hhIc ySZYLdRwNZ8Z0zuQE1MFPQ1Rw37Ex9VlwD16DD3UqpcRk4ZnfT1N7nhbyhSG7QVEmn tukMpaI//POFA== 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 83303E6D3DD; Sat, 12 Mar 2022 01:40:10 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v3] net: ipv6: fix skb_over_panic in __ip6_append_data From: patchwork-bot+netdevbpf@kernel.org Message-Id: <164704921053.16208.7597460524504713837.git-patchwork-notify@kernel.org> Date: Sat, 12 Mar 2022 01:40:10 +0000 References: <20220310232538.1044947-1-tadeusz.struk@linaro.org> In-Reply-To: <20220310232538.1044947-1-tadeusz.struk@linaro.org> To: Tadeusz Struk Cc: kuba@kernel.org, willemdebruijn.kernel@gmail.com, davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, syzbot+e223cf47ec8ae183f2a0@syzkaller.appspotmail.com 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,T_SCC_BODY_TEXT_LINE 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, 10 Mar 2022 15:25:38 -0800 you wrote: > Syzbot found a kernel bug in the ipv6 stack: > LINK: https://syzkaller.appspot.com/bug?id=205d6f11d72329ab8d62a610c44c5e7e25415580 > The reproducer triggers it by sending a crafted message via sendmmsg() > call, which triggers skb_over_panic, and crashes the kernel: > > skbuff: skb_over_panic: text:ffffffff84647fb4 len:65575 put:65575 > head:ffff888109ff0000 data:ffff888109ff0088 tail:0x100af end:0xfec0 > dev: > > [...] Here is the summary with links: - [v3] net: ipv6: fix skb_over_panic in __ip6_append_data https://git.kernel.org/netdev/net/c/5e34af4142ff You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html