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freebsd-skq/sys/netinet
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tuexen 5f6d43232d RFC 7112 requires a host to put the complete IP header chain 
including the TCP header in the first IP packet.
Enforce this in tcp_output(). In addition make sure that at least
one byte payload fits in the TCP segement to allow making progress.
Without this check, a kernel with INVARIANTS will panic.
This issue was found by running an instance of syzkaller.

Reviewed by:		jtl@
MFC after:		3 days
Sponsored by:		Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D21665
2019-09-29 10:45:13 +00:00
..
cc
When performing after_idle() or post_recovery(), don't disable the
2019-07-29 09:19:48 +00:00
khelp
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
libalias
Separate kernel crc32() implementation to its own header (gsb_crc32.h) and
2019-06-17 19:49:08 +00:00
netdump
Fix netdump buffering after r348473.
2019-08-19 16:29:51 +00:00
tcp_stacks
RFC 7112 requires a host to put the complete IP header chain
2019-09-29 10:45:13 +00:00
accf_data.c
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
accf_dns.c
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
accf_http.c
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
icmp6.h
Initial implementation of draft-ietf-6man-ipv6only-flag.
2018-10-30 20:08:48 +00:00
icmp_var.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
if_ether.c
Extract eventfilter declarations to sys/_eventfilter.h
2019-05-20 00:38:23 +00:00
if_ether.h
Retire arpresolve_addr(), which is not used anywhere, from if_ether.c.
2018-11-17 16:08:36 +00:00
igmp_var.h
Separate list manipulation locking from state change in multicast
2018-05-02 19:36:29 +00:00
igmp.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
igmp.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
in_cksum.c
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
in_debug.c
CK: update consumers to use CK macros across the board
2018-05-24 23:21:23 +00:00
in_fib.c
Existense of PCB route caching doesn't allow us to use new fast route
2019-05-08 23:39:24 +00:00
in_fib.h
Existense of PCB route caching doesn't allow us to use new fast route
2019-05-08 23:39:24 +00:00
in_gif.c
Add the check that current VNET is ready and access to srchash is allowed.
2018-10-23 13:11:45 +00:00
in_jail.c
Move most of the contents of opt_compat.h to opt_global.h.
2018-04-06 17:35:35 +00:00
in_kdtrace.c
Define sctp probes only when SCTP is configured.
2018-09-06 14:15:03 +00:00
in_kdtrace.h
Add support for send, receive and state-change DTrace providers for
2018-08-22 21:23:32 +00:00
in_mcast.c
Convert all IPv4 and IPv6 multicast memberships into using a STAILQ
2019-06-25 11:54:41 +00:00
in_pcb.c
Fix !INET build.
2019-08-02 22:43:09 +00:00
in_pcb.h
IPv6 cleanup: kernel
2019-08-02 07:41:36 +00:00
in_pcbgroup.c
Fix PCBGROUPS build post CK conversion of pcbinfo
2018-06-13 23:19:54 +00:00
in_prot.c
Move most of the contents of opt_compat.h to opt_global.h.
2018-04-06 17:35:35 +00:00
in_proto.c
Remove empty encap_init() function.
2018-05-29 12:32:08 +00:00
in_rmx.c
…
in_rss.c
…
in_rss.h
…
in_systm.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
in_var.h
Convert all IPv4 and IPv6 multicast memberships into using a STAILQ
2019-06-25 11:54:41 +00:00
in.c
Use IN_foo() macros from sys/netinet/in.h inplace of handcrafted code
2019-04-04 19:01:13 +00:00
in.h
Rename IPPROTO 33 from SEP to DCCP
2019-08-08 11:43:09 +00:00
ip6.h
carp: Set DSCP value CS7
2018-07-01 08:37:07 +00:00
ip_carp.c
Convert all IPv4 and IPv6 multicast memberships into using a STAILQ
2019-06-25 11:54:41 +00:00
ip_carp.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
ip_divert.c
Make second argument of ip_divert(), that specifies packet direction a bool.
2019-03-14 22:23:09 +00:00
ip_divert.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
ip_dummynet.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
ip_ecn.c
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ip_ecn.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ip_encap.c
Include <sys/eventhandler.h> to fix the build.
2018-10-21 18:39:34 +00:00
ip_encap.h
Add KPI that can be used by tunneling interfaces to handle IP addresses
2018-10-21 17:55:26 +00:00
ip_fastfwd.c
New pfil(9) KPI together with newborn pfil API and control utility.
2019-01-31 23:01:03 +00:00
ip_fw.h
Add "tcpmss" opcode to match the TCP MSS value.
2019-06-21 10:54:51 +00:00
ip_gre.c
Add GRE-in-UDP encapsulation support as defined in RFC8086.
2019-04-24 09:05:45 +00:00
ip_icmp.c
Add CTLFLAG_VNET to the net.inet.icmp.tstamprepl definition.
2019-03-26 22:14:50 +00:00
ip_icmp.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ip_id.c
Use the new VNET_DEFINE_STATIC macro when we are defining static VNET
2018-07-24 16:35:52 +00:00
ip_input.c
Use IN_foo() macros from sys/netinet/in.h inplace of handcrafted code
2019-04-04 19:01:13 +00:00
ip_mroute.c
Convert all IPv4 and IPv6 multicast memberships into using a STAILQ
2019-06-25 11:54:41 +00:00
ip_mroute.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ip_options.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
ip_options.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ip_output.c
This commit adds BBR (Bottleneck Bandwidth and RTT) congestion control. This
2019-09-24 18:18:11 +00:00
ip_reass.c
Revert r346530 until further.
2019-04-22 19:36:19 +00:00
ip_var.h
This commit adds BBR (Bottleneck Bandwidth and RTT) congestion control. This
2019-09-24 18:18:11 +00:00
ip.h
carp: Set DSCP value CS7
2018-07-01 08:37:07 +00:00
pim_var.h
Rework IP encapsulation handling code.
2018-06-05 20:51:01 +00:00
pim.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
raw_ip.c
When sending IPv4 packets on a SOCK_RAW socket using the IP_HDRINCL option,
2019-04-13 10:47:47 +00:00
sctp_asconf.c
Fix the handling of invalid parameters in ASCONF chunks.
2019-09-20 08:20:20 +00:00
sctp_asconf.h
Whitespace changes due to changes in ident.
2018-07-19 20:16:33 +00:00
sctp_auth.c
Only allow a SCTP-AUTH shared key to be updated by the application
2019-09-17 09:46:42 +00:00
sctp_auth.h
Remove unused code.
2018-09-18 10:53:07 +00:00
sctp_bsd_addr.c
Mechanical cleanup of epoch(9) usage in network stack.
2019-01-09 01:11:19 +00:00
sctp_bsd_addr.h
Revert https://svnweb.freebsd.org/changeset/base/336503
2018-07-19 20:11:14 +00:00
sctp_cc_functions.c
Whitespace changes due to changes in ident.
2018-07-19 20:16:33 +00:00
sctp_constants.h
Limit the user-controllable amount of memory the kernel allocates
2019-01-16 11:33:47 +00:00
sctp_crc32.c
When the IP layer calls back into the SCTP layer to perform the SCTP
2019-09-15 18:29:45 +00:00
sctp_crc32.h
When adding support for sending SCTP packets containing an ABORT chunk
2017-12-26 12:35:02 +00:00
sctp_dtrace_declare.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sctp_dtrace_define.h
Add support for send, receive and state-change DTrace providers for
2018-08-22 21:23:32 +00:00
sctp_header.h
Whitespace changes due to changes in ident.
2018-07-19 20:16:33 +00:00
sctp_indata.c
Plumb a memory leak.
2019-09-24 13:15:24 +00:00
sctp_indata.h
Fix initialization of top_fsn.
2019-09-01 10:39:16 +00:00
sctp_input.c
Don't hold the info lock when calling sctp_select_a_tag().
2019-09-22 11:11:01 +00:00
sctp_input.h
Whitespace changes due to changes in ident.
2018-07-19 20:16:33 +00:00
sctp_lock_bsd.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sctp_os_bsd.h
Improve consistency. No functional change.
2019-08-05 13:22:15 +00:00
sctp_os.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sctp_output.c
Improve the handling of state cookie parameters in INIT-ACK chunks.
2019-09-01 10:09:53 +00:00
sctp_output.h
Improve the handling of state cookie parameters in INIT-ACK chunks.
2019-09-01 10:09:53 +00:00
sctp_pcb.c
Improve function definition.
2019-08-31 13:13:40 +00:00
sctp_pcb.h
IPv6 cleanup: kernel
2019-08-02 07:41:36 +00:00
sctp_peeloff.c
Use the stacb instead of the asoc in state macros.
2018-08-13 13:58:45 +00:00
sctp_peeloff.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sctp_ss_functions.c
Initialize scheduler specific data for the FCFS scheduler.
2019-03-25 16:40:54 +00:00
sctp_structs.h
Fix build issue for the userland stack.
2019-03-24 12:13:05 +00:00
sctp_syscalls.c
netinet silence warnings
2018-05-19 05:56:21 +00:00
sctp_sysctl.c
Plug some networking sysctl leaks.
2018-11-22 20:49:41 +00:00
sctp_sysctl.h
Add initial descriptions for SCTP related MIB variable.
2018-10-26 21:04:17 +00:00
sctp_timer.c
Refactor the SHUTDOWN_PENDING state handling.
2018-08-21 13:25:32 +00:00
sctp_timer.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sctp_uio.h
Whitespace changes due to changes in ident.
2018-07-19 20:16:33 +00:00
sctp_usrreq.c
Fix a locking issue in sctp_accept.
2019-08-06 10:29:19 +00:00
sctp_var.h
Whitespace changes due to changes in ident.
2018-07-19 20:16:33 +00:00
sctp.h
Limit the size of messages sent on 1-to-many style SCTP sockets with the
2019-03-23 22:56:03 +00:00
sctputil.c
Cleanup the RTO calculation and perform some consistency checks
2019-09-22 10:40:15 +00:00
sctputil.h
Cleanup the RTO calculation and perform some consistency checks
2019-09-22 10:40:15 +00:00
siftr.c
Repair siftr(4): PFIL_IN and PFIL_OUT are defines of some value, relying
2019-02-01 08:10:26 +00:00
tcp_debug.c
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
tcp_debug.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
tcp_fastopen.c
Use the new VNET_DEFINE_STATIC macro when we are defining static VNET
2018-07-24 16:35:52 +00:00
tcp_fastopen.h
Greatly reduce the number of #ifdefs supporting the TCP_RFC7413 kernel option.
2018-02-26 03:03:41 +00:00
tcp_fsm.h
Revert r334843, and partially revert r335180.
2018-06-23 06:53:53 +00:00
tcp_hostcache.c
Use the new VNET_DEFINE_STATIC macro when we are defining static VNET
2018-07-24 16:35:52 +00:00
tcp_hostcache.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
tcp_hpts.c
This commit updates rack to what is basically being used at NF as
2019-07-10 20:40:39 +00:00
tcp_hpts.h
This commit updates rack to what is basically being used at NF as
2019-07-10 20:40:39 +00:00
tcp_input.c
Only update SACK/DSACK lists when a non-empty segment was received.
2019-09-09 16:07:47 +00:00
tcp_log_buf.c
Fix a small bug in the tcp_log_id where the bucket
2019-04-10 18:58:11 +00:00
tcp_log_buf.h
This commit updates rack to what is basically being used at NF as
2019-07-10 20:40:39 +00:00
tcp_lro.c
Fix build after r351934
2019-09-06 18:33:39 +00:00
tcp_lro.h
This adds the final tweaks to LRO that will now allow me
2019-09-06 14:25:41 +00:00
tcp_offload.c
Extract eventfilter declarations to sys/_eventfilter.h
2019-05-20 00:38:23 +00:00
tcp_offload.h
Add a hook to allow the toedev handling an offloaded connection to
2018-04-03 01:08:54 +00:00
tcp_output.c
RFC 7112 requires a host to put the complete IP header chain
2019-09-29 10:45:13 +00:00
tcp_pcap.c
Add an external mbuf buffer type that holds multiple unmapped pages.
2019-06-29 00:48:33 +00:00
tcp_pcap.h
…
tcp_ratelimit.c
With the recent commit of ktls, we no longer have a
2019-09-11 15:41:36 +00:00
tcp_ratelimit.h
Fix the ifdefs in tcp_ratelimit.h. They were reversed so
2019-09-24 20:04:31 +00:00
tcp_reass.c
This patch addresses an issue brought up by bz@ in D18968:
2019-02-21 09:34:47 +00:00
tcp_sack.c
Don't write to memory outside of the allocated array for SACK blocks.
2019-09-16 08:18:05 +00:00
tcp_seq.h
r330675 introduced an extra window check in the LRO code to ensure it
2018-04-03 13:54:38 +00:00
tcp_subr.c
Replacing MD5 by SipHash improves the performance of the TCP time stamp
2019-09-28 13:13:23 +00:00
tcp_syncache.c
Add new functionality to switch to using cookies exclusively when we the
2019-09-26 15:18:57 +00:00
tcp_syncache.h
Add new functionality to switch to using cookies exclusively when we the
2019-09-26 15:18:57 +00:00
tcp_timer.c
Add sysctl variable net.inet.tcp.rexmit_initial for setting RTO.Initial
2019-03-23 21:36:59 +00:00
tcp_timer.h
Add sysctl variable net.inet.tcp.rexmit_initial for setting RTO.Initial
2019-03-23 21:36:59 +00:00
tcp_timewait.c
Fix a byte ordering issue for the advertised receiver window in ACK
2019-02-15 09:45:17 +00:00
tcp_usrreq.c
Add kernel-side support for in-kernel TLS.
2019-08-27 00:01:56 +00:00
tcp_var.h
This adds in the missing counter initialization which
2019-09-06 18:29:48 +00:00
tcp.h
This commit adds BBR (Bottleneck Bandwidth and RTT) congestion control. This
2019-09-24 18:18:11 +00:00
tcpip.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
toecore.c
Extract eventfilter declarations to sys/_eventfilter.h
2019-05-20 00:38:23 +00:00
toecore.h
Extract eventfilter declarations to sys/_eventfilter.h
2019-05-20 00:38:23 +00:00
udp_usrreq.c
After parts of the locking fixes in r346595, syzkaller found
2019-06-01 14:57:42 +00:00
udp_var.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
udp.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
udplite.h
Add a dtrace provider for UDP-Lite.
2018-07-31 22:56:03 +00:00