inux-
> > > > ker...@vger.kernel.org; de...@linuxdriverproject.org; Mohammed
> > > > Gamal
> > > >
> > > > Subject: [PATCH] hv_netvsc: Make sure out channel is fully
> > > > opened
> > > > on send
> > > >
> &g
netdev@vger.kernel.
> > > org
> > > Cc: KY Srinivasan ; Haiyang Zhang
> > > ; vkuznets ;
> > > ot...@redhat.com; cavery ; linux-
> > > ker...@vger.kernel.org; de...@linuxdriverproject.org; Mohammed
> > > Gamal
> > >
> > >
gt; > ; vkuznets ;
> > ot...@redhat.com; cavery ; linux-
> > ker...@vger.kernel.org; de...@linuxdriverproject.org; Mohammed
> > Gamal
> >
> > Subject: [PATCH] hv_netvsc: Make sure out channel is fully opened
> > on send
> >
> > Dring high network tra
.@linuxdriverproject.org; Mohammed Gamal
>
> Subject: [PATCH] hv_netvsc: Make sure out channel is fully opened on send
>
> Dring high network traffic changes to network interface parameters such as
> number of channels or MTU can cause a kernel panic with a NULL pointer
> derefe
Dring high network traffic changes to network interface parameters
such as number of channels or MTU can cause a kernel panic with a NULL
pointer dereference. This is due to netvsc_device_remove() being
called and deallocating the channel ring buffers, which can then be
accessed by netvsc_send_pkt(
From: Mohammed Gamal
Date: Tue, 13 Mar 2018 20:06:50 +0100
> Dring high network traffic changes to network interface parameters
> such as number of channels or MTU can cause a kernel panic with a NULL
> pointer dereference. This is due to netvsc_device_remove() being
> called and deallocating the
On Thu, 15 Mar 2018 17:24:13 +0100
Mohammed Gamal wrote:
> On Wed, 2018-03-14 at 10:22 +0100, Mohammed Gamal wrote:
> > On Tue, 2018-03-13 at 12:35 -0700, Stephen Hemminger wrote:
> > > On Tue, 13 Mar 2018 20:06:50 +0100
> > > Mohammed Gamal wrote:
> > >
> > > > Dring high network traffic c
On Wed, 2018-03-14 at 10:22 +0100, Mohammed Gamal wrote:
> On Tue, 2018-03-13 at 12:35 -0700, Stephen Hemminger wrote:
> > On Tue, 13 Mar 2018 20:06:50 +0100
> > Mohammed Gamal wrote:
> >
> > > Dring high network traffic changes to network interface
> > > parameters
> > > such as number of channe
On Tue, 2018-03-13 at 12:35 -0700, Stephen Hemminger wrote:
> On Tue, 13 Mar 2018 20:06:50 +0100
> Mohammed Gamal wrote:
>
> > Dring high network traffic changes to network interface parameters
> > such as number of channels or MTU can cause a kernel panic with a
> > NULL
> > pointer dereference.
On Tue, Mar 13, 2018 at 08:06:50PM +0100, Mohammed Gamal wrote:
> @@ -791,6 +791,7 @@ static inline int netvsc_send_pkt(
>
> VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
> }
>
> + ring_avail = hv_ringbuf_avail_percent(&out_channel->outbound);
>
On Tue, 13 Mar 2018 20:06:50 +0100
Mohammed Gamal wrote:
> Dring high network traffic changes to network interface parameters
> such as number of channels or MTU can cause a kernel panic with a NULL
> pointer dereference. This is due to netvsc_device_remove() being
> called and deallocating the c
Dring high network traffic changes to network interface parameters
such as number of channels or MTU can cause a kernel panic with a NULL
pointer dereference. This is due to netvsc_device_remove() being
called and deallocating the channel ring buffers, which can then be
accessed by netvsc_send_pkt(
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