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)