On Wed, May 3, 2017 at 2:29 PM, David Ahern wrote:
> On 5/3/17 3:22 PM, Cong Wang wrote:
>>> Andrey's reproducer program runs in a very tight loop, calling
>>> 'unshare -n' and then spawning 2 sets of 14 threads running random ioctl
>>> calls. The relevant networking sequence:
>>>
>>> 1. New netwo
On 5/3/17 3:22 PM, Cong Wang wrote:
>> Andrey's reproducer program runs in a very tight loop, calling
>> 'unshare -n' and then spawning 2 sets of 14 threads running random ioctl
>> calls. The relevant networking sequence:
>>
>> 1. New network namespace created via unshare -n
>> - ip6tnl0 device is
On Tue, May 2, 2017 at 2:43 PM, David Ahern wrote:
> Andrey reported a warning triggered by the rcu code:
>
> [ cut here ]
> WARNING: CPU: 1 PID: 5911 at lib/debugobjects.c:289
> debug_print_object+0x175/0x210
> ODEBUG: activate active (active state 1) object type: rcu_head
From: David Ahern
Date: Tue, 2 May 2017 14:43:44 -0700
> Andrey reported a warning triggered by the rcu code:
...
> Andrey's reproducer program runs in a very tight loop, calling
> 'unshare -n' and then spawning 2 sets of 14 threads running random ioctl
> calls. The relevant networking sequence
On Tue, May 2, 2017 at 11:43 PM, David Ahern wrote:
> Andrey reported a warning triggered by the rcu code:
>
> [ cut here ]
> WARNING: CPU: 1 PID: 5911 at lib/debugobjects.c:289
> debug_print_object+0x175/0x210
> ODEBUG: activate active (active state 1) object type: rcu_hea