From: Joerg Roedel <joro@8bytes.org>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jon Mason <jdmason@kudzu.us>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Yinghai Lu <yinghai@kernel.org>
Subject: Re: Kernel NULL pointer deref in pci_get_hp_params with v3.18-rc3
Date: Wed, 5 Nov 2014 12:17:36 +0100 [thread overview]
Message-ID: <20141105111736.GK10744@8bytes.org> (raw)
In-Reply-To: <CAErSpo4Zx8hNjJdHvJeLzj_wAJSa6WCDuJ0XYymK-QU_i+MECg@mail.gmail.com>
Hi Bjorn,
On Tue, Nov 04, 2014 at 11:38:09AM -0700, Bjorn Helgaas wrote:
> [+cc Yinghai]
>
> On Tue, Nov 4, 2014 at 9:22 AM, Joerg Roedel <joro@8bytes.org> wrote:
> > Hi,
> >
> > booting v3.18-rc3 (havn't tested earlier -rcs on this box) on a Xeon box
> > with a Neterion 10GBit card (vxge driver) I see the following NULL
> > pointer deref in dmesg:
> >
> > [ 7.221747] vxge: Copyright(c) 2002-2010 Exar Corp.
> > [ 7.221749] vxge: Driver version: 2.5.3.22640-k
> > [ 7.324070] pci 0000:07:00.1: [17d5:5833] type 00 class 0x020000
> > [ 7.324144] BUG: unable to handle kernel NULL pointer dereference at 00000000000002d8
> > [ 7.324162] IP: [<ffffffff8136733b>] pci_get_hp_params+0x2b/0x620
>
> I think this is the same problem Yinghai posted a patch for:
> http://lkml.kernel.org/r/1414621570-20777-1-git-send-email-yinghai@kernel.org
>
> I broke things with 6cd33649fa83, and I'd like to try a different fix
> than Yinghai's, so I guess I should get busy :) Thanks for the
> reminder.
Okay, let me know if there is any patch for me to test :)
Joerg
next prev parent reply other threads:[~2014-11-05 11:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-04 16:22 Kernel NULL pointer deref in pci_get_hp_params with v3.18-rc3 Joerg Roedel
2014-11-04 18:38 ` Bjorn Helgaas
2014-11-05 11:17 ` Joerg Roedel [this message]
2014-11-12 16:18 ` PCI Max payload setting Jordan_Hargrave
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