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 CF347C433F5 for ; Tue, 21 Dec 2021 09:52:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229964AbhLUJwJ (ORCPT ); Tue, 21 Dec 2021 04:52:09 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:50929 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229865AbhLUJwJ (ORCPT ); Tue, 21 Dec 2021 04:52:09 -0500 Received: by mail-il1-f197.google.com with SMTP id 9-20020a056e0216c900b002acc1b44b91so6668652ilx.17 for ; Tue, 21 Dec 2021 01:52:09 -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=gtMOeWgOjqpxf3UJsdLLfE47QPkTrgfO0H8YEz5DRG8=; b=vE8BGDKQwKof0LP5ySGY8r3fCtO2+06wTVbYCwdAy+OnsdsKqLNiULkHimwAIgDvqP kzqo2L6Hu63/rHnkCqjk4NVG44RdWMbj5llCaP92frRZrUex6JWbSVG7TvlJpYAhpyaw flkRC5E8BurrTi3Xly/pRx4j1lRKp/qtPLdgS9sqvZJiaM/Q+MunpLuJ0SRIvAuqqApB 1sh+B5sUtBY97FEuUS47090I8tBjEOW3mCx0y0m1m2RYg/22N5ojA8LH0PqklsKlDrxU Ap24vMbbfu0xfaN24kw3WGYkFqjiiuyvcH+9W+5Ysbarxjo/m8KmsQ9AU5J1XIolK4Sb 6A7g== X-Gm-Message-State: AOAM533NG1psChidxT8mUyWcDdRWKC89UB4ViS9+Ob88LJxk1tx1Upo2 XSHdWSECdfGcLZytfgdRCFfWdUWab6i2L/MjB69kW/DmEKp6 X-Google-Smtp-Source: ABdhPJx6QiXqNu7Hfc+O/DrzAKwtgSlzMWab3H3rNwlyXnrdxwZcfwS7rfCEn4d1tGHD0uzTYSEiyrI+miyx42y9AEkxASphiUL7 MIME-Version: 1.0 X-Received: by 2002:a6b:a10:: with SMTP id z16mr1105244ioi.204.1640080328753; Tue, 21 Dec 2021 01:52:08 -0800 (PST) Date: Tue, 21 Dec 2021 01:52:08 -0800 In-Reply-To: <000000000000c70eef05d39f42a5@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000066073805d3a4f598@google.com> Subject: Re: [syzbot] general protection fault in set_task_ioprio From: syzbot To: axboe@kernel.dk, changbin.du@intel.com, christian.brauner@ubuntu.com, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hkallweit1@gmail.com, kuba@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, 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: linux-block@vger.kernel.org syzbot has bisected this issue to: commit e4b8954074f6d0db01c8c97d338a67f9389c042f Author: Eric Dumazet Date: Tue Dec 7 01:30:37 2021 +0000 netlink: add net device refcount tracker to struct ethnl_req_info bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10620fcdb00000 start commit: 07f8c60fe60f Add linux-next specific files for 20211220 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=12620fcdb00000 console output: https://syzkaller.appspot.com/x/log.txt?x=14620fcdb00000 kernel config: https://syzkaller.appspot.com/x/.config?x=2060504830b9124a dashboard link: https://syzkaller.appspot.com/bug?extid=8836466a79f4175961b0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12058fcbb00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17141adbb00000 Reported-by: syzbot+8836466a79f4175961b0@syzkaller.appspotmail.com Fixes: e4b8954074f6 ("netlink: add net device refcount tracker to struct ethnl_req_info") For information about bisection process see: https://goo.gl/tpsmEJ#bisection