From mboxrd@z Thu Jan 1 00:00:00 1970 From: Solio Sarabia Subject: [PATCH iproute2] iplink: validate maximum gso_max_size Date: Tue, 12 Dec 2017 14:25:22 -0800 Message-ID: <1513117522-5111-1-git-send-email-solio.sarabia@intel.com> Cc: netdev@vger.kernel.org, solio.sarabia@intel.com To: stephen@networkplumber.org Return-path: Received: from mga12.intel.com ([192.55.52.136]:10814 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752320AbdLLW3Q (ORCPT ); Tue, 12 Dec 2017 17:29:16 -0500 Sender: netdev-owner@vger.kernel.org List-ID: Validate the upper limit for gso_max_size, valid range is [0-65,536] inclusive. Fix minor whitespace in iplink man page. Signed-off-by: Solio Sarabia --- ip/iplink.c | 3 ++- man/man8/ip-link.8.in | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/ip/iplink.c b/ip/iplink.c index 6379b16..62bf713 100644 --- a/ip/iplink.c +++ b/ip/iplink.c @@ -853,7 +853,8 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req, unsigned int max_size; NEXT_ARG(); - if (get_unsigned(&max_size, *argv, 0) || max_size > UINT16_MAX) + if (get_unsigned(&max_size, *argv, 0) || + max_size > UINT16_MAX + 1) invarg("Invalid \"gso_max_size\" value\n", *argv); addattr32(&req->n, sizeof(*req), IFLA_GSO_MAX_SIZE, max_size); diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in index 0db2582..40f09b3 100644 --- a/man/man8/ip-link.8.in +++ b/man/man8/ip-link.8.in @@ -36,7 +36,7 @@ ip-link \- network device configuration .RB "[ " numrxqueues .IR QUEUE_COUNT " ]" .br -.BR "[" gso_max_size +.BR "[ " gso_max_size .IR BYTES " ]" .RB "[ " gso_max_segs .IR SEGMENTS " ]" -- 2.7.4