Re: [dpdk-dev] [PATCH v2] service: don't walk out of bounds when checking services

[Kevin Traynor <ktraynor@redhat.com>]

On 20/12/2019 14:43, David Marchand wrote:
> On Wed, Dec 4, 2019 at 9:34 AM David Marchand <david.marchand@redhat.com> wrote:
>>
>> On Wed, Dec 4, 2019 at 9:33 AM David Marchand <david.marchand@redhat.com> wrote:
>>>
>>> On Tue, Dec 3, 2019 at 10:15 PM Aaron Conole <aconole@redhat.com> wrote:
>>>>
>>>> The service_valid call is used without properly bounds checking the
>>>> input parameter.  Almost all instances of the service_valid call are
>>>> inside a for() loop that prevents excessive walks, but some of the
>>>> public APIs don't bounds check and will pass invalid arguments.
>>>>
>>>> Prevent this by using SERVICE_GET_OR_ERR_RET where it makes sense,
>>>> and adding a bounds check to one service_valid() use.
>>>>
>>>> Fixes: 8d39d3e237c2 ("service: fix race in service on app lcore function")
>>>> Fixes: e9139a32f6e8 ("service: add function to run on app lcore")
>>>> Fixes: e30dd31847d2 ("service: add mechanism for quiescing")
>> Cc: stable@dpdk.org
>>

With the commit below, this patch will apply cleanly on 18.11.

Seems ok to me to add below commit, wdyt?

commit e484ccddbe1b41886fef1e445ef2fdfa55086198
Author: Nikhil Rao <nikhil.rao@intel.com>
Date:   Mon Sep 16 15:31:02 2019 +0530

    service: avoid false sharing on core state


>>>> Signed-off-by: Aaron Conole <aconole@redhat.com>
>>>
>>> Reviewed-by: David Marchand <david.marchand@redhat.com>
> 
> Applied, thanks.
> 
> 
> --
> David Marchand
>