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

[David Marchand]

On Wed, Dec 4, 2019 at 9:33 AM David Marchand <david.marchand at redhat.com> wrote:
>
> On Tue, Dec 3, 2019 at 10:15 PM Aaron Conole <aconole at 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 at dpdk.org

> > Signed-off-by: Aaron Conole <aconole at redhat.com>
>
> Reviewed-by: David Marchand <david.marchand at redhat.com>

-- 
David Marchand