linux-kernel - Re: general protection fault in n_tty_receive_buf

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Message-ID: <18d86827-a66b-7e62-0c6f-3d3bf4b14d4d@suse.cz>
Date:   Fri, 27 Oct 2017 11:33:12 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     Dmitry Vyukov <dvyukov@...gle.com>,
        syzbot 
        <bot+7fde9fa6e982d17b9acf978961e059b0a5344719@...kaller.appspotmail.com>
Cc:     syzkaller-bugs@...glegroups.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: general protection fault in n_tty_receive_buf_common

On 10/27/2017, 11:24 AM, Dmitry Vyukov wrote:
> On Fri, Oct 27, 2017 at 11:22 AM, syzbot
> <bot+7fde9fa6e982d17b9acf978961e059b0a5344719@...kaller.appspotmail.com>
> wrote:
>> Hello,
>>
>> syzkaller hit the following crash on
>> 623ce3456671ea842c0ebda79c38655c8c04af74
>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master
>> compiler: gcc (GCC) 7.1.1 20170620
>> .config is attached
>> Raw console output is attached.
> 
> A more recent report is on upstream 0787643a5f6aad1f0cdeb305f7fe492b71943ea4

Bad. Do we have a reproducer?

thanks,
-- 
js
suse labs