On Mon, Feb 12, 2018 at 06:00:13PM +0100, Daniel Borkmann wrote:
>
> [ +Dennis, +Tejun ]
>
> Looks like we're stuck in percpu allocator with key/value size of 4 bytes
> each and large number of entries (max_entries) in the reproducer in above
> link.
>
> Could we have some __GFP_NORETRY semantic
On Tue, Feb 13, 2018 at 09:49:27AM -0800, Eric Dumazet wrote:
> On Tue, 2018-02-13 at 11:34 -0600, Dennis Zhou wrote:
> > Hi Eric,
> >
> > On Tue, Feb 13, 2018 at 05:35:26AM -0800, Eric Dumazet wrote:
> > >
> > > Also I would consider using this fix as I had warnings of cpus being
> > > stuck the
On Tue, 2018-02-13 at 11:34 -0600, Dennis Zhou wrote:
> Hi Eric,
>
> On Tue, Feb 13, 2018 at 05:35:26AM -0800, Eric Dumazet wrote:
> >
> > Also I would consider using this fix as I had warnings of cpus being
> > stuck there for more than 50 ms :
> >
> >
> > diff --git a/mm/percpu-vm.c b/mm/perc
Hi Eric,
On Tue, Feb 13, 2018 at 05:35:26AM -0800, Eric Dumazet wrote:
>
> Also I would consider using this fix as I had warnings of cpus being
> stuck there for more than 50 ms :
>
>
> diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c
> index
> 9158e5a81391ced4e268e3d5dd9879c2bc7280ce..6309b01ceb3
On Mon, 2018-02-12 at 12:05 -0800, Tejun Heo wrote:
> On Mon, Feb 12, 2018 at 09:03:25AM -0800, Tejun Heo wrote:
> > Hello, Daniel.
> >
> > On Mon, Feb 12, 2018 at 06:00:13PM +0100, Daniel Borkmann wrote:
> > > [ +Dennis, +Tejun ]
> > >
> > > Looks like we're stuck in percpu allocator with key/va
On Mon, Feb 12, 2018 at 09:03:25AM -0800, Tejun Heo wrote:
> Hello, Daniel.
>
> On Mon, Feb 12, 2018 at 06:00:13PM +0100, Daniel Borkmann wrote:
> > [ +Dennis, +Tejun ]
> >
> > Looks like we're stuck in percpu allocator with key/value size of 4 bytes
> > each and large number of entries (max_entr
Hello, Daniel.
On Mon, Feb 12, 2018 at 06:00:13PM +0100, Daniel Borkmann wrote:
> [ +Dennis, +Tejun ]
>
> Looks like we're stuck in percpu allocator with key/value size of 4 bytes
> each and large number of entries (max_entries) in the reproducer in above
> link.
>
> Could we have some __GFP_NOR
On 02/12/2018 05:03 PM, Dmitry Vyukov wrote:
> On Mon, Feb 12, 2018 at 5:00 PM, syzbot
> wrote:
>> Hello,
>>
>> syzbot hit the following crash on bpf-next commit
>> 617aebe6a97efa539cc4b8a52adccd89596e6be0 (Sun Feb 4 00:25:42 2018 +)
>> Merge tag 'usercopy-v4.16-rc1' of
>> git://git.kernel.org
On Mon, Feb 12, 2018 at 5:00 PM, syzbot
wrote:
> Hello,
>
> syzbot hit the following crash on bpf-next commit
> 617aebe6a97efa539cc4b8a52adccd89596e6be0 (Sun Feb 4 00:25:42 2018 +)
> Merge tag 'usercopy-v4.16-rc1' of
> git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
>
> So far this cr
