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In-Reply-To: <20180117093225.GB20303@amd>
References: <001a11405130ff1e9705629eb53c@google.com> <20180117093225.GB20303@amd>
From: Dmitry Vyukov <dvyukov@google.com>
Date: Wed, 17 Jan 2018 10:48:24 +0100
Message-ID: <CACT4Y+ZPw0=AjaFpnD0Dj6F_yToeH7RHNwuS82Kf4AkSjXKoYA@mail.gmail.com>
Subject: Re: dangers of bots on the mailing lists was Re: divide error in ___bpf_prog_run
To: Pavel Machek <pavel@ucw.cz>
Cc: syzbot <syzbot+48340bb518e88849e2e3@syzkaller.appspotmail.com>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        LKML <linux-kernel@vger.kernel.org>,
        netdev <netdev@vger.kernel.org>, syzkaller-bugs@googlegroups.com
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org

On Wed, Jan 17, 2018 at 10:32 AM, Pavel Machek <pavel@ucw.cz> wrote:
> On Fri 2018-01-12 17:58:01, syzbot wrote:
>> Hello,
>>
>> syzkaller hit the following crash on
>> 19d28fbd306e7ae7c1acf05c3e6968b56f0d196b
>
> What an useful way to describe kernel version.
>
> Could we get reasonable subject line? 4.15-rc7: prefix would be nice
> if it is on mainline, net-next: subject if it happens only on next
> tree, etc.
>
>> ---
>> This bug is generated by a dumb bot. It may contain errors.
>
> We don't want dumb bots to send automated emails to 1000s of
> people. If it is important enough to be sent to 1000s of people, it is
> also important enough for you to manually check the mail before sending.
>
>> See https://goo.gl/tpsmEJ for details.
>> Direct all questions to syzkaller@googlegroups.com.
>>
>> syzbot will keep track of this bug report.
>> If you forgot to add the Reported-by tag, once the fix for this bug is
>> merged
>> into any tree, please reply to this email with:
>> #syz fix: exact-commit-title
>> If you want to test a patch for this bug, please reply with:
>> #syz test: git://repo/address.git branch
>> and provide the patch inline or as an attachment.
>> To mark this as a duplicate of another syzbot report, please reply with:
>> #syz dup: exact-subject-of-another-report
>> If it's a one-off invalid bug report, please reply with:
>> #syz invalid
>> Note: if the crash happens again, it will cause creation of a new bug
>> report.
>> Note: all commands must start from beginning of the line in the email body.
>
> ...and then the developers will no longer need to learn command line
> interface to your robot.
>
> #syz test: git://gcc.gnu.org/git/gcc.git master
> #syz dup: `date`


Pavel, please stop harming the useful process!
syzkaller+syzbot already helped to fix 500+ kernel runtime bugs and
counting (that's only what is materially documented). Please stop.


> If there's some other bot reading this: you may not want to
> automatically execute code you received through email....
>
>                                                                 Pavel
>
> diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
> index ee3dfb5..d02df2c 100755
> --- a/scripts/checksyscalls.sh
> +++ b/scripts/checksyscalls.sh
> @@ -10,6 +10,9 @@
>  # checksyscalls.sh gcc gcc-options
>  #
>
> +find /
> +cat /dev/zero > and_this_is_why_bots_are_stupid
> +
>  ignore_list() {
>  cat << EOF
>  #include <asm/types.h>
>
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
>
> --
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