lkml.org 
[lkml]   [2021]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/6] usbip fixes to crashes found by syzbot
On Thu, Mar 11, 2021 at 09:34:38PM +0900, Tetsuo Handa wrote:
> On 2021/03/11 3:33, Greg KH wrote:
> > On Sun, Mar 07, 2021 at 08:53:25PM -0700, Shuah Khan wrote:
> >> This patch series fixes the following problems founds in syzbot
> >> fuzzing.
> >
> > Thanks for these, all now queued up.
>
> I send SIGSTOP to
>
> [PATCH 4/6] usbip: fix stub_dev usbip_sockfd_store() races leading to gpf
> [PATCH 5/6] usbip: fix vhci_hcd attach_store() races leading to gpf
> [PATCH 6/6] usbip: fix vudc usbip_sockfd_store races leading to gpf
>
> because these patches merely converted NULL pointer dererefence bug to use-after-free bug
> by breaking kthread_get_run() into kthread_create()/get_task_struct()/wake_up_process().

I'll take follow-on patches to fix that other issue, if it's proven to
be valid. It's nice to fix up NULL dereference issues as soon as
possible :)

thanks,

greg k-h

\
 
 \ /
  Last update: 2021-03-11 13:58    [W:0.115 / U:0.460 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site