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 7DA6AC5479D for ; Thu, 5 Jan 2023 04:51:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230116AbjAEEv0 (ORCPT ); Wed, 4 Jan 2023 23:51:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229975AbjAEEvZ (ORCPT ); Wed, 4 Jan 2023 23:51:25 -0500 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BD6B42627 for ; Wed, 4 Jan 2023 20:51:24 -0800 (PST) Received: by mail-io1-f69.google.com with SMTP id y23-20020a056602201700b006e408c1d2a1so948599iod.1 for ; Wed, 04 Jan 2023 20:51:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=4YZEILdTxalOjZrpjdXjI7ZuleQOS64DZ4zEKFOzr5o=; b=6Qs1wTjVrBgJtmSHhfEjhs2Y4Em86PyXc14c3cMLvRH0zQlBZ9PvYgOKCXtySXaK0J kiupvJHiXQKKw9YC8+BTdV7zEF+N9YKODTLR1T6yTfEpk3yFJNA9w32skf9A5JPGyJo/ QjL76MafV+rbKlXg4xSfj7Wl0BLkFoHXhcF8cfa8JkHaogPBLAZJxLBFtPxwLdPspPzD ScnDoC8WeAiDW8VR9pR27iyfIpKN2MdwpJncwePAiuvfKi03X5aVqIDGvw0DbnJXh5F2 59HuZFweYpXbryHq2SquKOmHDpy0VDBcEt/JpBIgYeDA6gwasbVdSHnujzMkG5CDYNci BHHg== X-Gm-Message-State: AFqh2kr8znQr3+qb1dzgf8ec4uXOMNitj3otgKh3gxVVSekWlB3PweTy 55ml2n28NDRuQTMbYZu/a/ChQI4Ycp3HLPNjzYWnpXIz1VbB X-Google-Smtp-Source: AMrXdXsA2/fwxzkS+chSk6tRfeEYR+OaBNLy0ars3ue5dz/qLr9krjaHhy3jiDZPpgMyhZYdMcDoisRGOSiheRStM51vm0f5jLCS MIME-Version: 1.0 X-Received: by 2002:a5d:9758:0:b0:6e3:b9b:f145 with SMTP id c24-20020a5d9758000000b006e30b9bf145mr3841571ioo.117.1672894283916; Wed, 04 Jan 2023 20:51:23 -0800 (PST) Date: Wed, 04 Jan 2023 20:51:23 -0800 In-Reply-To: <0000000000003a68dc05f164fd69@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008a2d5305f17d0dbe@google.com> Subject: Re: [syzbot] kernel BUG in vhost_vsock_handle_tx_kick From: syzbot To: bobby.eshleman@bytedance.com, bobby.eshleman@gmail.com, bobbyeshleman@gmail.com, cong.wang@bytedance.com, deshantm@xen.org, jasowang@redhat.com, jiang.wang@bytedance.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, oxffffaa@gmail.com, pabeni@redhat.com, sgarzare@redhat.com, stefanha@redhat.com, syzkaller-bugs@googlegroups.com, virtualization@lists.linux-foundation.org, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this issue to: commit b68396fad17ff7fae3bb5b594d703f7195caebb9 Author: Bobby Eshleman Date: Thu Dec 15 04:36:44 2022 +0000 virtio/vsock: replace virtio_vsock_pkt with sk_buff bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=132ece3a480000 start commit: c76083fac3ba Add linux-next specific files for 20221226 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=10aece3a480000 console output: https://syzkaller.appspot.com/x/log.txt?x=172ece3a480000 kernel config: https://syzkaller.appspot.com/x/.config?x=c217c755f1884ab6 dashboard link: https://syzkaller.appspot.com/bug?extid=30b72abaa17c07fe39dd syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14fc414c480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1604b20a480000 Reported-by: syzbot+30b72abaa17c07fe39dd@syzkaller.appspotmail.com Fixes: b68396fad17f ("virtio/vsock: replace virtio_vsock_pkt with sk_buff") For information about bisection process see: https://goo.gl/tpsmEJ#bisection