>Number: 172840 >Category: kern >Synopsis: memory overwrite if configure more than 128 multicast >addresses on ixgbe NIC >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Oct 18 05:20:01 UTC 2012 >Closed-Date: >Last-Modified: >Originator: fuzhli >Release: FreeBSD7.0 >Organization: Array networks >Environment: FreeBSD7.0+ixgbe driver 2.3.10.
%uname -a FreeBSD Array.arraynetworks.net 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 10:35:36 UTC 2008 [email protected]:/usr/obj/usr/src/sys/GENERIC amd64 >Description: Memory will be overwrite if configure more than 128 multicast addresses on ixgbe NIC, and maybe cause system panic. >How-To-Repeat: configure more than 128 multicast addresses on ixgbe NIC >Fix: Index: src/sys/dev/ixgbe/ixgbe.c =================================================================== RCS file: /home/src/sys/dev/ixgbe/ixgbe.c,v retrieving revision 1.32.2.7 diff -u -p -r1.32.2.7 ixgbe.c --- FreeBSD/src/sys/dev/ixgbe/ixgbe.c 29 Sep 2012 06:58:41 -0000 1.32.2.7 +++ FreeBSD/src/sys/dev/ixgbe/ixgbe.c 17 Oct 2012 10:17:33 -0000 @@ -2072,6 +2072,10 @@ ixgbe_set_multi(struct adapter *adapter) TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { if (ifma->ifma_addr->sa_family != AF_LINK) continue; + if (mcnt == MAX_NUM_MULTICAST_ADDRESSES) + break; bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr), &mta[mcnt * IXGBE_ETH_LENGTH_OF_ADDRESS], IXGBE_ETH_LENGTH_OF_ADDRESS); >Release-Note: >Audit-Trail: >Unformatted: _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "[email protected]"
