[lkml]   [2017]   [Aug]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH net-next 2/3] vsock: fix vsock_dequeue/enqueue_accept race
On Tue, Aug 15, 2017 at 10:15:39PM +0000, Dexuan Cui wrote:
> With the current code, when vsock_dequeue_accept() is removing a sock
> from the list, nothing prevents vsock_enqueue_accept() from adding a new
> sock into the list concurrently. We should add a lock to protect the list.

The listener sock is locked, preventing concurrent modification. I have
checked both the virtio and vmci transports. Can you post an example
where the listener sock isn't locked?

[unhandled content-type:application/pgp-signature]
 \ /
  Last update: 2017-08-18 17:50    [W:0.040 / U:9.736 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site