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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: rMj0CrtXNr2vajwQ2kfFyg-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] service: don't walk out of bounds when checking services X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On 20/12/2019 14:43, David Marchand wrote: > On Wed, Dec 4, 2019 at 9:34 AM David Marchand = wrote: >> >> On Wed, Dec 4, 2019 at 9:33 AM David Marchand wrote: >>> >>> On Tue, Dec 3, 2019 at 10:15 PM Aaron Conole 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 functi= on") >>>> 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 Date: Mon Sep 16 15:31:02 2019 +0530 service: avoid false sharing on core state >>>> Signed-off-by: Aaron Conole >>> >>> Reviewed-by: David Marchand >=20 > Applied, thanks. >=20 >=20 > -- > David Marchand >=20