patches for DPDK stable branches
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From: Aaron Conole <aconole@redhat.com>
To: Kevin Traynor <ktraynor@redhat.com>
Cc: Harry van Haaren <harry.van.haaren@intel.com>,
	nikhil.rao@intel.com, David Marchand <david.marchand@redhat.com>,
	dev <dev@dpdk.org>, Bruce Richardson <bruce.richardson@intel.com>,
	Pavan Nikhilesh <pbhagavatula@marvell.com>,
	Gage Eads <gage.eads@intel.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	dpdk stable <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] service: don't walk out of bounds when checking services
Date: Fri, 07 Feb 2020 09:27:41 -0500
Message-ID: <f7t36bm321u.fsf@dhcp-25.97.bos.redhat.com> (raw)
In-Reply-To: <25df28cf-192b-046b-63b3-b8f72a5f434e@redhat.com>

Kevin Traynor <ktraynor@redhat.com> writes:

> 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?

If I'm reading it correctly, the move is for an internal data structure
in librte_eal, so I think it shouldn't be an ABI breakage.

Looks safe to me as well.

> 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
>> 


  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191126145606.13626-1-aconole@redhat.com>
     [not found] ` <20191203211544.20285-1-aconole@redhat.com>
     [not found]   ` <CAJFAV8xPOE+krsS-ONeyg61tc8J49Ln3N5CVP4qY3J_SB9jXQg@mail.gmail.com>
2019-12-04  8:34     ` [dpdk-stable] " David Marchand
2019-12-20 14:43       ` David Marchand
2020-02-07 12:04         ` [dpdk-stable] [dpdk-dev] " Kevin Traynor
2020-02-07 14:27           ` Aaron Conole [this message]
2020-02-14 16:38             ` Kevin Traynor

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