lkml.org 
[lkml]   [2022]   [Dec]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] workqueue: Add a new flag to spot the potential UAF error
Hello TJ,

On Wed, Dec 14, 2022 at 3:16 PM Lai Jiangshan <jiangshanlai@gmail.com> wrote:
>
> On Tue, Dec 13, 2022 at 12:40 PM Richard Clark
> <richard.xnu.clark@gmail.com> wrote:
> >
> > Currently if the user queues a new work item unintentionally
> > into a wq after the destroy_workqueue(wq), the work still can
> > be queued and scheduled without any noticeable kernel message
> > before the end of a RCU grace period.
> >
> > As a debug-aid facility, this commit adds a new flag
> > __WQ_DESTROYING to spot that issue by triggering a kernel WARN
> > message.
> >
> > Signed-off-by: Richard Clark <richard.xnu.clark@gmail.com>
>
> Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>

What do I need to do for this patch next?

Thanks

\
 
 \ /
  Last update: 2022-12-16 02:15    [W:0.100 / U:0.288 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site