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 25DF4C433FE for ; Sat, 1 Jan 2022 02:18:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231945AbiAACSM (ORCPT ); Fri, 31 Dec 2021 21:18:12 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:55948 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231229AbiAACSL (ORCPT ); Fri, 31 Dec 2021 21:18:11 -0500 Received: by mail-io1-f70.google.com with SMTP id n80-20020a6b8b53000000b00601ac7398c3so13239498iod.22 for ; Fri, 31 Dec 2021 18:18:11 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=DIQTLDv9ByGH2G+h8WUbHGMXxdylDYDKvWCChgkGEAc=; b=Ab1IwDnA0MzesJi+91qK8ZPfkTxUR1jb9n0Ybjw4TPye56ieBF0l+XTo+a3zbLRnLF EIUpJBIM0sDpYh8ZxFs6MaShEDiB07jg8ZyA+Ss/WWO5ZOOWiKVC6TgitNeRIdHKqxOW Ik4V74iluPPAmrwxz8Hu+kSiY5BXgWYKAhAXHFYHZU3S79AXXTw5QOSB+2GxCBPab7kc NOXgOjdEiGIA5nn2qo6p/tO+iqhYD7Lbqw8KZJB46TE5jY9tdc0GNT+5B6drkSsUJueT ykj9X0PF/H8jB4nUmA/UBUGuA3K75Mzb5KQ3cbon+ECHkuqOtljhhQ368osLaUPSX8st 5bVA== X-Gm-Message-State: AOAM530LYrtZIfLXkg0lhqbP3YTjpnLkUu6ePUtgmie/65wpepe+f82U EERC/wtRnQs8WzaL5JkbfemmbwkHRX6xLz3gr+KfgaqGP8Nc X-Google-Smtp-Source: ABdhPJz8DDyIt38ujzp6t4/n03OTzAGatimsbFaARzWW3yGBAjvMgdfvw7DT+wglxECjlov6/3jFmbCsJAKynTfsJngemZjJuqnX MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20ce:: with SMTP id 14mr16433369ilq.200.1641003491309; Fri, 31 Dec 2021 18:18:11 -0800 (PST) Date: Fri, 31 Dec 2021 18:18:11 -0800 In-Reply-To: <000000000000debe1c05a9c39c93@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002cbe9205d47be6d0@google.com> Subject: Re: [syzbot] WARNING in ipvlan_l3s_unregister From: syzbot To: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, fw@strlen.de, harshit.m.mogalapalli@oracle.com, kuba@kernel.org, linux-kernel@vger.kernel.org, marcelo.leitner@gmail.com, mige07@migeof.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, yajun.deng@linux.dev Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot suspects this issue was fixed by commit: commit f123cffdd8fe8ea6c7fded4b88516a42798797d0 Author: Harshit Mogalapalli Date: Mon Nov 29 17:53:27 2021 +0000 net: netlink: af_netlink: Prevent empty skb by adding a check on len. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11e95e2bb00000 start commit: 6ba1b005ffc3 Merge tag 'asm-generic-fixes-5.8' of git://gi.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=812bbfcb6ae2cd60 dashboard link: https://syzkaller.appspot.com/bug?extid=bb3d7a24f705078b1286 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=103edc82900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net: netlink: af_netlink: Prevent empty skb by adding a check on len. For information about bisection process see: https://goo.gl/tpsmEJ#bisection