On Mon, Jan 08, 2018 at 07:02:26PM -0200, Marcelo Ricardo Leitner wrote:
> Hangbin Liu reported that some SCTP sockopt are allowing the user to get
> the kernel to allocate really large buffers by not having a ceiling on
> optlen.
>
> This patchset address this issue (in patch 2), replace an GFP_ATOMIC
> that isn't needed and avoid calculating the option size multiple times
> in some setsockopt.
>
> Marcelo Ricardo Leitner (3):
> sctp: GFP_ATOMIC is not needed in sctp_setsockopt_events
> sctp: add a ceiling to optlen in some sockopts
> sctp: make use of pre-calculated len
>
> net/sctp/socket.c | 28 +++++++++++++++++++++-------
> 1 file changed, 21 insertions(+), 7 deletions(-)
>
> --
> 2.14.3
>
>
Series
Acked-by: Neil Horman <nhor...@tuxdriver.com>