Re: [PATCH] forcedeth: fix random memory scribbling bug

From: Linus Torvalds
Date: Sat Dec 24 2005 - 15:51:40 EST




On Sat, 24 Dec 2005, Manfred Spraul wrote:

> Linus Torvalds wrote:
>
> > Of course, on the alloc path, it seems to add an additional
> > "NV_RX_ALLOC_PAD" thing, so maybe the "end-data" thing makes sense.
>
> The problem is the pci_unmap_single() call that happens during nv_close() or
> the rx interrupt handler. I think it makes more sense to rely on fields in the
> individual skb instead of reading from np->rx_buf_sz. If np->rx_buf_sz changes
> inbetween, then we have a memory leak.

Fair enough. Patch applied.

Linus
-
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/