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a8fe77d877
freebsd-skq/sys/netinet6
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Bjoern A. Zeeb a8fe77d877 netinet*: update *mp to pass the proper value back 
In ip6_[direct_]input() we are looping over the extension headers
to deal with the next header.  We pass a pointer to an mbuf pointer
to the handling functions.  In certain cases the mbuf can be updated
there and we need to pass the new one back.  That missing in
dest6_input() and route6_input().  In tcp6_input() we should also
update it before we call tcp_input().

In addition to that mark the mbuf NULL all the times when we return
that we are done with handling the packet and no next header should
be checked (IPPROTO_DONE).  This will eventually allow us to assert
proper behaviour and catch the above kind of errors more easily,
expecting *mp to always be set.

This change is extracted from a larger patch and not an exhaustive
change across the entire stack yet.

PR:			240135
Reported by:		prabhakar.lakhera gmail.com
MFC after:		3 weeks
Sponsored by:		Netflix
2019-11-12 15:46:28 +00:00
..
dest6.c netinet*: update *mp to pass the proper value back 2019-11-12 15:46:28 +00:00
frag6.c netinet*: update *mp to pass the proper value back 2019-11-12 15:46:28 +00:00
icmp6.c netinet*: update *mp to pass the proper value back 2019-11-12 15:46:28 +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 Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
in6_fib.h
in6_gif.c Add the check that current VNET is ready and access to srchash is allowed. 2018-10-23 13:11:45 +00:00
in6_ifattach.c Don't cover in6_ifattach() with network epoch, as it may call into 2019-10-13 04:25:16 +00:00
in6_ifattach.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_jail.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
in6_mcast.c Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
in6_pcb.c It is unclear why in6_pcblookup_local() would require write access 2019-11-11 06:28:25 +00:00
in6_pcb.h IPv6 cleanup: kernel 2019-08-02 07:41:36 +00:00
in6_pcbgroup.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
in6_proto.c frag6.c: move variables and sysctls into local file 2019-08-02 10:29:53 +00:00
in6_rmx.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
in6_rss.c
in6_rss.h
in6_src.c IPv6 cleanup: kernel 2019-08-02 07:41:36 +00:00
in6_var.h Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
in6.c in6ifa_llaonifp() is never called from fast path, so do not require 2019-10-14 15:33:53 +00:00
in6.h Convert all IPv4 and IPv6 multicast memberships into using a STAILQ 2019-06-25 11:54:41 +00:00
ip6_ecn.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_fastfwd.c New pfil(9) KPI together with newborn pfil API and control utility. 2019-01-31 23:01:03 +00:00
ip6_forward.c Add a missing include of opt_sctp.h. 2019-10-12 22:58:33 +00:00
ip6_gre.c Add GRE-in-UDP encapsulation support as defined in RFC8086. 2019-04-24 09:05:45 +00:00
ip6_id.c ip6_randomflowlabel: Avoid blocking if random(4) is not available 2019-04-23 17:18:20 +00:00
ip6_input.c netinet*: update *mp to pass the proper value back 2019-11-12 15:46:28 +00:00
ip6_mroute.c netinet*: variable cleanup 2019-11-07 18:29:51 +00:00
ip6_mroute.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_output.c ip6_output() has a complex set of gotos, and some can jump out of 2019-10-09 17:02:28 +00:00
ip6_var.h frag6: replace KAME hand-rolled queues with queue(9) TAILQs 2019-10-23 23:01:18 +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 Reapply r345274 with build fixes for 32-bit architectures. 2019-03-19 10:57:03 +00:00
ip_fw_nptv6.h Add ability to use dynamic external prefix in ipfw_nptv6 module. 2018-11-12 11:20:59 +00:00
mld6_var.h Fix refcounting leaks in IPv6 MLD code leading to loss of IPv6 2019-01-24 08:34:13 +00:00
mld6.c netinet*: variable cleanup 2019-11-07 18:29:51 +00:00
mld6.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
nd6_nbr.c netinet*: variable cleanup 2019-11-07 18:29:51 +00:00
nd6_rtr.c netinet*: variable cleanup 2019-11-07 18:29:51 +00:00
nd6.c In nd6_timer() enter the network epoch earlier. The defrouter_del() may 2019-11-04 17:35:37 +00:00
nd6.h Update for IETF draft-ietf-6man-ipv6only-flag. 2019-03-07 23:03:39 +00:00
pim6_var.h Rework IP encapsulation handling code. 2018-06-05 20:51:01 +00:00
pim6.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_ip6.c Remove unnecessary recursive epoch enter via INP_INFO_RLOCK 2019-11-07 20:40:44 +00:00
raw_ip6.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
route6.c netinet*: update *mp to pass the proper value back 2019-11-12 15:46:28 +00:00
scope6_var.h Constify argument of in6_getscope(). 2018-06-05 20:54:29 +00:00
scope6.c Mechanical cleanup of epoch(9) usage in network stack. 2019-01-09 01:11:19 +00:00
sctp6_usrreq.c Ensure that the flags indicating IPv4/IPv6 are not changed by failing 2019-10-24 20:05:10 +00:00
sctp6_var.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
send.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +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 netinet*: update *mp to pass the proper value back 2019-11-12 15:46:28 +00:00
udp6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00