Messages in this thread | | | Date | Mon, 24 Jun 2013 07:31:13 -0400 | From | Neil Horman <> | Subject | Re: [PATCH net] tun: fix recovery from gup errors |
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On Sun, Jun 23, 2013 at 05:19:03PM +0300, Michael S. Tsirkin wrote: > get user pages might fail partially in tun zero copy > mode. To recover we need to put all pages that we got, > but code used a wrong index resulting in double-free > errors. > > Reported-by: Brad Hubbard <bhubbard@redhat.com> > Signed-off-by: Michael S. Tsirkin <mst@redhat.com> > --- > > I haven't figured out why do we get failures, > but recovery is clearly wrong. > > This is also -stable material. > > drivers/net/tun.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > Acked-by: Neil Horman <nhorman@tuxdriver.com>
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