Re: [git pull] Input update for 2.6.17

From: Linus Torvalds
Date: Wed Jun 28 2006 - 18:03:49 EST




On Wed, 28 Jun 2006, Jeff Garzik wrote:

> Linus Torvalds wrote:
> > Anyway, "urb->transfer_buffer" was initialized with
> >
> > urb->transfer_buffer = skb->data;
> >
> > and I'm pretty damn sure you're supposed to just kfree() it.
>
> eh? I would think dev_kfree_skb(), because who knows whether the skb was
> cloned, split, data buffer adjusted, destructors need to be called...

Well, we don't actually have the skb available any more.

> kfree()ing skb->data sounds like a recipe for corruption and crashes...

Yeah. But I didn't actually look very deeply, maybe I mistook the init
sequence. That said, corruption and crashes is obviously what I see, and
why I started looking at it ;)

Marcel?

Linus
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