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linux/net/sctp
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Xin Long 8a92cb475c sctp: discard stale INIT after handshake completion 
After an association reaches ESTABLISHED, the peer’s init_tag is already
known from the handshake. Any subsequent INIT with the same init_tag is
not a valid restart, but a delayed or duplicate INIT.

Drop such INIT chunks in sctp_sf_do_unexpected_init() instead of
processing them as new association attempts.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Link: https://patch.msgid.link/5788c76c1ee122a3ed00189e88dcf9df1fba226c.1777214801.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-28 17:52:19 -07:00
..
associola.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
auth.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
bind_addr.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
chunk.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
debug.c sctp: add the probe timer in transport for PLPMTUD 2021-06-22 11:28:52 -07:00
diag.c sctp: Hold sock lock while iterating over address list 2025-11-03 17:09:36 -08:00
endpointola.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
input.c net: sctp: fix KMSAN uninit-value in sctp_inq_pop 2025-10-30 11:21:05 +01:00
inqueue.c sctp: fix missing encap_port propagation for GSO fragments 2026-04-13 16:49:37 -07:00
ipv6.c sctp: disable BH before calling udp_tunnel_xmit_skb() 2026-04-13 16:50:28 -07:00
Kconfig ipv6: convert CONFIG_IPV6 to built-in only and clean up Kconfigs 2026-03-29 11:21:22 -07:00
Makefile sctp: add fair capacity stream scheduler 2023-03-09 11:31:44 +01:00
objcnt.c
offload.c sctp: use skb_crc32c() instead of __skb_checksum() 2025-05-21 15:40:16 -07:00
output.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
outqueue.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
primitive.c
proc.c net: change sock.sk_ino and sock_i_ino() to u64 2026-03-06 14:31:26 +01:00
protocol.c sctp: disable BH before calling udp_tunnel_xmit_skb() 2026-04-13 16:50:28 -07:00
sm_make_chunk.c net: use get_random_u{16,32,64}() where appropriate 2026-04-09 19:27:43 -07:00
sm_sideeffect.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
sm_statefuns.c sctp: discard stale INIT after handshake completion 2026-04-28 17:52:19 -07:00
sm_statetable.c sctp: add the probe timer in transport for PLPMTUD 2021-06-22 11:28:52 -07:00
socket.c sctp: fix sockets_allocated imbalance after sk_clone() 2026-04-22 20:31:24 -07:00
stream_interleave.c sctp: delete the nested flexible array skip 2023-04-21 08:19:29 +01:00
stream_sched_fc.c sctp: Constify struct sctp_sched_ops 2025-10-28 17:50:55 -07:00
stream_sched_prio.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
stream_sched_rr.c sctp: Constify struct sctp_sched_ops 2025-10-28 17:50:55 -07:00
stream_sched.c sctp: Constify struct sctp_sched_ops 2025-10-28 17:50:55 -07:00
stream.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
sysctl.c sctp: Stop accepting md5 and sha1 for net.sctp.cookie_hmac_alg 2025-08-19 19:36:26 -07:00
transport.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
tsnmap.c
ulpevent.c net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
ulpqueue.c sctp: remove unnecessary NULL check in sctp_ulpq_tail_event() 2022-10-20 21:43:10 -07:00