Module Name:    src
Committed By:   ozaki-r
Date:           Tue Jan  9 04:41:20 UTC 2018

Modified Files:
        src/sys/netinet6: ip6_forward.c

Log Message:
Fix use-after-free of mbuf by ip6flow_create (one more)

XXX need pullup-[678]


To generate a diff of this commit:
cvs rdiff -u -r1.89 -r1.90 src/sys/netinet6/ip6_forward.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/netinet6/ip6_forward.c
diff -u src/sys/netinet6/ip6_forward.c:1.89 src/sys/netinet6/ip6_forward.c:1.90
--- src/sys/netinet6/ip6_forward.c:1.89	Tue Jan  9 04:21:26 2018
+++ src/sys/netinet6/ip6_forward.c	Tue Jan  9 04:41:19 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: ip6_forward.c,v 1.89 2018/01/09 04:21:26 ozaki-r Exp $	*/
+/*	$NetBSD: ip6_forward.c,v 1.90 2018/01/09 04:41:19 ozaki-r Exp $	*/
 /*	$KAME: ip6_forward.c,v 1.109 2002/09/11 08:10:17 sakane Exp $	*/
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip6_forward.c,v 1.89 2018/01/09 04:21:26 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip6_forward.c,v 1.90 2018/01/09 04:41:19 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_gateway.h"
@@ -415,7 +415,7 @@ ip6_forward(struct mbuf *m, int srcrt)
 			/* Need to release rt here */
 			rtcache_unref(rt, ro);
 			rt = NULL;
-			if (m->m_flags & M_CANFASTFWD)
+			if (mcopy->m_flags & M_CANFASTFWD)
 				ip6flow_create(ro, mcopy);
 #endif
 			if (mcopy)

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