Re: Kernel NULL pointer deref in pci_get_hp_params with v3.18-rc3

[Joerg Roedel]

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@xxxxxxxxxx> 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@xxxxxxxxxx
> 
> 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

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