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 10B03C433FE for ; Tue, 21 Dec 2021 09:52:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230018AbhLUJwK (ORCPT ); Tue, 21 Dec 2021 04:52:10 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:54152 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229660AbhLUJwJ (ORCPT ); Tue, 21 Dec 2021 04:52:09 -0500 Received: by mail-il1-f200.google.com with SMTP id x8-20020a92dc48000000b002b2abc6e1cbso3913083ilq.20 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=AIBAcI6nIKcDMUVZWZ3qBrpQkKQMXnVjDQFuJFhb4XFR2XF4eRH4zljQ6KyO+IBACY enmb+6GVFN4MG+mRJO8a+1SRS7Ho7epNKpZF/aAfrCBlrBxFPMtFMYzDorFs9fw6yYEI Qxr2Hi7NYDxtShYBae3wqgthiKmNCkWWWrUHhLOB1Bs1vhza2NS3cwgVgcNBOskJDDRb FRIhggPdzchFfFKLwi8TENoo7/cP2UCZIrmdAucqkkv1YlPIHIolAen+lK95uydz6kcX PAAyL/w93+WJ0PsaMoNmmN16CyoDrCF6xhLSUq3wdC5CbLdYfJOuwJw/Zy29+I84qbQ0 l/Sg== X-Gm-Message-State: AOAM531EzLKq08cKpr5X0cFXhrNqrWQ2FfVuA9JkqW+GAMff51r6Set1 rOYFJB7gOd/y0iY8MOv6PjzQzAhNgfjdSgzb2sxLwEuJnE2D 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: netdev@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