Re: [PATCH] crash with /proc/iomem on sparc64

From: David Miller
Date: Thu Mar 19 2009 - 02:53:55 EST


From: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Date: Tue, 17 Mar 2009 08:08:08 -0400 (EDT)

>
>
> On Tue, 17 Mar 2009, Mikulas Patocka wrote:
>
> > Hi
> >
> > When you compile kernel on Sparc64 with heap memory checking and type
> > "cat /proc/iomem", you get a crash, because pointers in struct resource
> > are uninitialized.
> >
> > Most code fills struct resource with zeros, so I assume that it is
> > responsibility of the caller of request_resource to initialized it, not
> > the responsibility of request_resource functuion.
> >
> > After 2.6.29 is out, there could be a check for uninitialized fields added
> > to request_resource to avoid crashes like this.
> >
> > Mikulas
>
> I forgot to add:
>
> Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>

Patch applied and queued up for -stable, thanks a lot.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/