On Thu, Jul 28, 2016 at 12:33:58PM +0200, Guillaume Nault wrote:
> >
> > After staring more I think the patch should be fine as a fix
> > since implementing sync with ppp_[re|un]register_channel and
> > ppp_ioctl might need a way more work.
> >
>
> [Sorry for arriving so late in the game, I was
On Wed, Jul 06, 2016 at 03:25:15PM +0300, Cyrill Gorcunov wrote:
> On Wed, Jul 06, 2016 at 11:26:02AM +0300, Cyrill Gorcunov wrote:
> > On Tue, Jul 05, 2016 at 10:12:36PM -0700, Cong Wang wrote:
> > > Matt reported that we have a NULL pointer dereference
> > > in ppp_pernet() from ppp_connect_chann
From: Cong Wang
Date: Tue, 5 Jul 2016 22:12:36 -0700
> Matt reported that we have a NULL pointer dereference
> in ppp_pernet() from ppp_connect_channel(),
> i.e. pch->chan_net is NULL.
>
> This is due to that a parallel ppp_unregister_channel()
> could happen while we are in ppp_connect_channel
On Wed, Jul 06, 2016 at 11:26:02AM +0300, Cyrill Gorcunov wrote:
> On Tue, Jul 05, 2016 at 10:12:36PM -0700, Cong Wang wrote:
> > Matt reported that we have a NULL pointer dereference
> > in ppp_pernet() from ppp_connect_channel(),
> > i.e. pch->chan_net is NULL.
> >
> > This is due to that a para
On Tue, Jul 05, 2016 at 10:12:36PM -0700, Cong Wang wrote:
> Matt reported that we have a NULL pointer dereference
> in ppp_pernet() from ppp_connect_channel(),
> i.e. pch->chan_net is NULL.
>
> This is due to that a parallel ppp_unregister_channel()
> could happen while we are in ppp_connect_chan
Matt reported that we have a NULL pointer dereference
in ppp_pernet() from ppp_connect_channel(),
i.e. pch->chan_net is NULL.
This is due to that a parallel ppp_unregister_channel()
could happen while we are in ppp_connect_channel(), during
which pch->chan_net set to NULL. Since we need a referenc
