lkml.org 
[lkml]   [2018]   [Oct]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] usbip: vhci_hcd: check port number before using
On Mon, Oct 8, 2018 at 8:29 PM Shuah Khan <shuah@kernel.org> wrote:
>
> Hi Sudip,
>
> On 10/08/2018 01:19 PM, Sudip Mukherjee wrote:
> > From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
> >
> > The port number is checked and it just prints an error message but it
> > still continues to use the invalid port. And as a result it accesses
> > memory which is not its resulting in BUG report from KASAN.
>
> Yes there is an issue with out of bounds access. But this isn't the
> right fix.
>
> >
> > Reported-by: syzbot+600b03e0cf1b73bb23c4@syzkaller.appspotmail.com
> > Cc: stable <stable@vger.kernel.org>
> > Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
>
> I sent in a fix for this last Friday.
>
> https://patchwork.kernel.org/patch/10628833/

And I can confirm this patch also fixes the issue tested with the
reproducer I was using in my vm.


--
Regards
Sudip

\
 
 \ /
  Last update: 2018-10-08 22:02    [W:0.035 / U:1.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site