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SubjectRe: kobj refcounting weirdness
* Matthew Wilcox <matthew@wil.cx>:
> On Mon, Mar 09, 2009 at 10:50:10AM -0600, Alex Chiang wrote:
> > I thought about the allocators returning a pointer to the same
> > location that maybe has some valid looking data hanging around,
> > but it's not wise for someone like me to go pointing fingers at
> > the allocator before I've proven the bug isn't in my code. ;)
>
> Slab poisoning would be the logical next thing to try to decide whether
> the allocator is wrong or you're using it wrong ;-)

We had a double free in the PCIe port driver. Removing the double
free seems to fix my issue.

The double free is only in Jesse's linux-next branch, so no need
to worry about it in mainline/stable.

Thanks.

/ac



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