linux-kernel - Re: upstream boot error: KASAN: slab-out-of-bounds Write in hpet

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Message-ID: <20200130101433.GB866317@kroah.com>
Date:   Thu, 30 Jan 2020 11:14:33 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     syzbot <syzbot+2b149e3a2468e54d2178@...kaller.appspotmail.com>
Cc:     arnd@...db.de, clemens@...isch.de, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: upstream boot error: KASAN: slab-out-of-bounds Write in
 hpet_alloc

On Thu, Jan 30, 2020 at 02:07:11AM -0800, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    39bed42d Merge tag 'for-linus-hmm' of git://git.kernel.org..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1569d9a5e00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=2646535f8818ae25
> dashboard link: https://syzkaller.appspot.com/bug?extid=2b149e3a2468e54d2178
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+2b149e3a2468e54d2178@...kaller.appspotmail.com

Fix is already in my tree and will show up in the next linux-next.

thanks,

greg k-h