From: Michael Ellerman <mpe@ellerman.id.au>
To: Andrew Donnellan <andrew.donnellan@au1.ibm.com>,
Ian Munsie <imunsie@au1.ibm.com>, mikey <mikey@neuling.org>,
linuxppc-dev@lists.ozlabs.org,
Frederic Barrat <frederic.barrat@fr.ibm.com>,
Huy Nguyen <huyn@mellanox.com>
Subject: Re: [PATCH] cxl: Fix NULL pointer dereference on kernel contexts with no AFU interrupts
Date: Thu, 30 Jun 2016 15:00:24 +1000 [thread overview]
Message-ID: <1467262824.7296.3.camel@ellerman.id.au> (raw)
In-Reply-To: <ac33c4a3-544f-2917-1cd7-14c62f176522@au1.ibm.com>
On Thu, 2016-06-30 at 08:28 +1000, Andrew Donnellan wrote:
> On 30/06/16 04:55, Ian Munsie wrote:
> >
> > From: Ian Munsie <imunsie@au1.ibm.com>
> >
> > If a kernel context is initialised and does not have any AFU interrupts
> > allocated it will cause a NULL pointer dereference when the context is
> > detached since the irq_names list will not have been initialised.
> >
> > Move the initialisation of the irq_names list into the cxl_context_init
> > routine so that it will be valid for the entire lifetime of the context
> > and will not cause a NULL pointer dereference.
> >
> > Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
> As it's nice having your machine not crash on every shutdown...
Fixes: ????
cheers
next prev parent reply other threads:[~2016-06-30 5:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-29 18:55 [PATCH] cxl: Fix NULL pointer dereference on kernel contexts with no AFU interrupts Ian Munsie
2016-06-29 22:28 ` Andrew Donnellan
2016-06-30 5:00 ` Michael Ellerman [this message]
2016-06-30 5:15 ` Andrew Donnellan
2016-06-30 6:24 ` Ian Munsie
2016-07-11 10:19 ` Michael Ellerman
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