[PATCH RESEND] memory leak in ndisc_router_discovery

From: Krishna Kumar (krkumar@us.ibm.com)
Date: Thu Dec 12 2002 - 14:05:43 EST


I had sent this earlier, there is a bug in router advertisement handling code,
where the reference (and memory) to an inet6_dev pointer can get leaked (this
leak can happen atmost once for each interface on a system which receives
invalid RA's). Below is the patch against 2.5.51 to fix it.


- KK

diff -ruN linux.org/net/ipv6/ndisc.c linux/net/ipv6/ndisc.c
--- linux.org/net/ipv6/ndisc.c Fri Nov 7 10:02:11 2002
+++ linux/net/ipv6/ndisc.c Fri Nov 8 14:37:27 2002
@@ -871,6 +871,7 @@
         if (!ndisc_parse_options(opt, optlen, &ndopts)) {
+ in6_dev_put(in6_dev);
                 if (net_ratelimit())
                                    "ICMP6 RA: invalid ND option, ignored.\n");
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This archive was generated by hypermail 2b29 : Sun Dec 15 2002 - 22:00:25 EST