netdev - [PATCH net-next] asix: silence log message from oversize packet

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20151217175116.234fa63b@xeon-e3>
Date:	Thu, 17 Dec 2015 17:51:16 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Ben Hutchings <ben.hutchings@...ethink.co.uk>,
	Ivan Vecera <ivecera@...hat.com>,
	"David S. Miller" <davem@...emloft.net>, linuxbrad@...il.com
Cc:	netdev@...r.kernel.org
Subject: [PATCH net-next] asix: silence log message from oversize packet

Since it is possible for an external system to send oversize packets
at anytime, it is best for driver not to print a message and spam
the log (potential external DoS).

Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=109471

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>

--- a/drivers/net/usb/asix_common.c	2015-10-16 16:05:30.997785598 -0700
+++ b/drivers/net/usb/asix_common.c	2015-12-17 17:50:30.983973764 -0800
@@ -118,7 +118,7 @@ int asix_rx_fixup_internal(struct usbnet
 				return 0;
 			}
 			if (size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) {
-				netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
+				netdev_dbg(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
 					   size);
 				return 0;
 			}
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html