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

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Message-ID: <0a265a34-edbb-cee7-9475-2d2f07432886@colorfullife.com>
Date:   Sat, 23 Dec 2017 10:59:43 +0100
From:   Manfred Spraul <manfred@...orfullife.com>
To:     syzbot 
        <bot+362ae63b121c06066d2b6e1385d38efecbeca4f6@...kaller.appspotmail.com>,
        akpm@...ux-foundation.org, dave@...olabs.net,
        gregkh@...uxfoundation.org,
        guillaume.knispel@...ersonicimagine.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, mhocko@...e.com,
        sfr@...b.auug.org.au, syzkaller-bugs@...glegroups.com,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: BUG: unable to handle kernel paging request in ipcget

Hi,

On 12/23/2017 08:33 AM, syzbot wrote:
> Hello,
>
> syzkaller hit the following crash on 
> 6084b576dca2e898f5c101baef151f7bfdbb606d
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is attached.
>
> Unfortunately, I don't have any reproducer for this bug yet.
>
Is one of the recent issues reproducible?
Either something is wrong with the faster ipc_get, or the improved 
ipc_get makes issues in other areas visible.

--
     Manfred