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 -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html