lkml.org 
[lkml]   [2018]   [Oct]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] usbip: vhci_hcd: check port number before using
From
Date
On 10/08/2018 02:01 PM, Sudip Mukherjee wrote:
> 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.
>
>

Great Thanks for testing the patch.

thanks,
-- Shuah

\
 
 \ /
  Last update: 2018-10-08 22:07    [W:0.026 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site