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freebsd-dev/sys/netinet6
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Andrey V. Elsukov 68e0e5a673 Modify ip6_get_prevhdr() to be able use it safely. 
Instead of returning pointer to the previous header, return its offset.
In frag6_input() use m_copyback() and determined offset to store next
header instead of accessing to it by pointer and assuming that the memory
is contiguous.

In rip6_input() use offset returned by ip6_get_prevhdr() instead of
calculating it from pointers arithmetic, because IP header can belong
to another mbuf in the chain.

Reported by:	Maxime Villard <max at m00nbsd dot net>
Reviewed by:	kp
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D14158
2018-02-05 09:22:07 +00:00
..
dest6.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
frag6.c Modify ip6_get_prevhdr() to be able use it safely. 2018-02-05 09:22:07 +00:00
icmp6.c Follow the RFC6980 and silently ignore following IPv6 NDP messages 2017-12-15 12:37:32 +00:00
icmp6.h
in6_cksum.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_fib.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in6_fib.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in6_gif.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_ifattach.c Assign IPv6 link-local address to loopback interfaces whith unit > 0. 2018-01-29 10:33:55 +00:00
in6_ifattach.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_jail.c Revert r327828, r327949, r327953, r328016-r328026, r328041: 2018-01-21 15:42:36 +00:00
in6_mcast.c Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
in6_pcb.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_pcb.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_pcbgroup.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
in6_proto.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_rmx.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_rss.c
in6_rss.h
in6_src.c Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
in6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6.c sys/netinet6: fix typos in comments. No functional change. 2018-01-23 19:40:05 +00:00
in6.h Follow the RFC6980 and silently ignore following IPv6 NDP messages 2017-12-15 12:37:32 +00:00
ip6_ecn.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_fastfwd.c Evaluate packet size after the firewall had its chance in the ip6 fast path 2017-10-25 19:21:48 +00:00
ip6_forward.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_gre.c
ip6_id.c Fix some typos. 2017-12-28 20:40:56 +00:00
ip6_input.c Modify ip6_get_prevhdr() to be able use it safely. 2018-02-05 09:22:07 +00:00
ip6_mroute.c Merge r1.120 from NetBSD: 2018-02-02 07:39:34 +00:00
ip6_mroute.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_output.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_var.h Modify ip6_get_prevhdr() to be able use it safely. 2018-02-05 09:22:07 +00:00
ip6.h
ip6protosw.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_fw_nat64.h
ip_fw_nptv6.h
mld6_var.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
mld6.c Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
mld6.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
nd6_nbr.c Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
nd6_rtr.c Follow the RFC6980 and silently ignore following IPv6 NDP messages 2017-12-15 12:37:32 +00:00
nd6.c ND6: Set the correct state for new neighbor cache entries 2018-01-29 16:12:26 +00:00
nd6.h Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
pim6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
pim6.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_ip6.c Modify ip6_get_prevhdr() to be able use it safely. 2018-02-05 09:22:07 +00:00
raw_ip6.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
route6.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
scope6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
scope6.c sys/netinet6: fix typos in comments. No functional change. 2018-01-23 19:40:05 +00:00
sctp6_usrreq.c Retire SCTP_WITH_NO_CSUM option. 2017-12-07 22:19:08 +00:00
sctp6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
send.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
send.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
tcp6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
udp6_usrreq.c Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
udp6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00