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Date:   Mon, 13 Dec 2021 23:52:07 -0800
In-Reply-To: <0000000000005639cd05ce3a6d4d@google.com>
Message-ID: <0000000000004e75ca05d316779f@google.com>
Subject: Re: [syzbot] BUG: corrupted list in netif_napi_add
From:   syzbot <syzbot+62e474dd92a35e3060d8@syzkaller.appspotmail.com>
To:     alexandr.lobakin@intel.com, andrii@kernel.org, ast@kernel.org,
        bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net,
        dvyukov@google.com, edumazet@google.com, hawk@kernel.org,
        hdanton@sina.com, jesse.brandeburg@intel.com, joamaki@gmail.com,
        john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org,
        kuba@kernel.org, linux-kernel@vger.kernel.org, maximmi@nvidia.com,
        netdev@vger.kernel.org, pabeni@redhat.com, saeedm@nvidia.com,
        songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
        toke@toke.dk, vladbu@nvidia.com, yhs@fb.com
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Precedence: bulk

syzbot suspects this issue was fixed by commit:

commit 0315a075f1343966ea2d9a085666a88a69ea6a3d
Author: Alexander Lobakin <alexandr.lobakin@intel.com>
Date:   Wed Nov 10 19:56:05 2021 +0000

    net: fix premature exit from NAPI state polling in napi_disable()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=138dffbeb00000
start commit:   911e3a46fb38 net: phy: Fix unsigned comparison with less t..
git tree:       net-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=d36d2402e8523638
dashboard link: https://syzkaller.appspot.com/bug?extid=62e474dd92a35e3060d8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=141592f2b00000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: net: fix premature exit from NAPI state polling in napi_disable()

For information about bisection process see: https://goo.gl/tpsmEJ#bisection