[Midnightbsd-cvs] src [8996] trunk/sys/netinet6/raw_ip6.c: take the inpcb rlock before calculation checksum.

[laffer1 at midnightbsd.org]

Revision: 8996
          http://svnweb.midnightbsd.org/src/?rev=8996
Author:   laffer1
Date:     2016-09-29 21:32:23 -0400 (Thu, 29 Sep 2016)
Log Message:
-----------
take the inpcb rlock before calculation checksum.

Modified Paths:
--------------
    trunk/sys/netinet6/raw_ip6.c

Modified: trunk/sys/netinet6/raw_ip6.c
===================================================================
--- trunk/sys/netinet6/raw_ip6.c	2016-09-30 01:31:53 UTC (rev 8995)
+++ trunk/sys/netinet6/raw_ip6.c	2016-09-30 01:32:23 UTC (rev 8996)
@@ -197,6 +197,7 @@
 			    &ip6->ip6_dst) != 0)
 				continue;
 		}
+		INP_RLOCK(in6p);
 		if (in6p->in6p_cksum != -1) {
 			V_rip6stat.rip6s_isum++;
 			if (in6_cksum(m, proto, *offp,
@@ -206,7 +207,6 @@
 				continue;
 			}
 		}
-		INP_RLOCK(in6p);
 		/*
 		 * If this raw socket has multicast state, and we
 		 * have received a multicast, check if this socket