tree f48c2c26c632adc44e5664bdea213b2f173f39f6
parent 1c40be12f7d8ca1d387510d39787b12e512a7ce8
author Jarek Poplawski <jarkao2@gmail.com> 1281492130 +0000
committer David S. Miller <davem@davemloft.net> 1282091848 -0700

net: Fix a memmove bug in dev_gro_receive()

>Xin Xiaohui wrote:
> I looked into the code dev_gro_receive(), found the code here:
> if the frags[0] is pulled to 0, then the page will be released,
> and memmove() frags left.
> Is that right? I'm not sure if memmove do right or not, but
> frags[0].size is never set after memove at least. what I think
> a simple way is not to do anything if we found frags[0].size == 0.
> The patch is as followed.
...

This version of the patch fixes the bug directly in memmove.

Reported-by: "Xin, Xiaohui" <xiaohui.xin@intel.com>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>