linux-kernel - Re: BUG: unable to handle kernel paging request in bpf_prog_kallsyms

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Message-ID: <f2a635d2-c8cf-a465-aba7-2b7e3eed5f85@iogearbox.net>
Date:   Mon, 4 Mar 2019 13:30:56 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Dmitry Vyukov <dvyukov@...gle.com>,
        syzbot <syzbot+c827a78260579449ad39@...kaller.appspotmail.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: BUG: unable to handle kernel paging request in
 bpf_prog_kallsyms_add

On 03/04/2019 08:45 AM, Dmitry Vyukov wrote:
> On Mon, Sep 10, 2018 at 10:31 AM syzbot
> <syzbot+c827a78260579449ad39@...kaller.appspotmail.com> wrote:
>>
>> Hello,
>>
>> syzbot found the following crash on:
>>
>> HEAD commit:    f6f3bac08ff9 tools/bpf: bpftool: add net support
>> git tree:       bpf-next
>> console output: https://syzkaller.appspot.com/x/log.txt?x=17940056400000
>> kernel config:  https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
>> dashboard link: https://syzkaller.appspot.com/bug?extid=c827a78260579449ad39
>> compiler:       gcc (GCC) 8.0.1 20180413 (experimental)
>> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1611c7e1400000
> 
> This is still very actively happening. See the dashboard link for info
> about more crashes.

I'll take a look at it this week, thanks!