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a64b341b86
linux/net/sctp
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Xin Long a64b341b86 sctp: fix the processing for COOKIE_ECHO chunk 
1. In closed state: in sctp_sf_do_5_1D_ce():

  When asoc is NULL, making packet for abort will use chunk's vtag
  in sctp_ootb_pkt_new(). But when asoc exists, vtag from the chunk
  should be verified before using peer.i.init_tag to make packet
  for abort in sctp_ootb_pkt_new(), and just discard it if vtag is
  not correct.

2. In the other states: in sctp_sf_do_5_2_4_dupcook():

  asoc always exists, but duplicate cookie_echo's vtag will be
  handled by sctp_tietags_compare() and then take actions, so before
  that we only verify the vtag for the abort sent for invalid chunk
  length.

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>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-22 12:36:44 -07:00
..
associola.c sctp: enable PLPMTUD when the transport is ready 2021-06-22 11:28:52 -07:00
auth.c sctp: move the active_key update after sh_keys is added 2021-08-03 11:43:43 +01:00
bind_addr.c sctp: validate from_addr_param return 2021-06-28 15:34:50 -07:00
chunk.c net: sctp: chunk.c: delete duplicated word 2020-08-24 16:21:43 -07:00
debug.c sctp: add the probe timer in transport for PLPMTUD 2021-06-22 11:28:52 -07:00
diag.c net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
endpointola.c sctp: get netns from asoc and ep base 2019-12-09 20:14:01 -08:00
input.c sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb 2021-09-24 10:36:19 +01:00
inqueue.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104 2019-05-24 17:39:00 +02:00
ipv6.c sctp: delete addr based on sin6_scope_id 2021-07-26 12:34:03 +01:00
Kconfig sctp: create udp4 sock and add its encap_rcv 2020-10-30 15:23:52 -07:00
Makefile sctp: rename sctp_diag.c as diag.c 2018-02-13 13:56:31 -05:00
objcnt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104 2019-05-24 17:39:00 +02:00
offload.c sctp: remove the NETIF_F_SG flag before calling skb_segment 2021-01-16 19:05:59 -08:00
output.c sctp: do not update transport pathmtu if SPP_PMTUD_ENABLE is not set 2021-07-21 14:17:58 -07:00
outqueue.c sctp: do the basic send and recv for PLPMTUD probe 2021-06-22 11:28:52 -07:00
primitive.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104 2019-05-24 17:39:00 +02:00
proc.c net: fix iteration for sctp transport seq_files 2021-02-08 10:15:49 -08:00
protocol.c sctp: move 198 addresses from unusable to private scope 2021-07-01 11:47:13 -07:00
sm_make_chunk.c sctp: account stream padding length for reconf chunk 2021-10-14 07:15:22 -07:00
sm_sideeffect.c sctp: add the probe timer in transport for PLPMTUD 2021-06-22 11:28:52 -07:00
sm_statefuns.c sctp: fix the processing for COOKIE_ECHO chunk 2021-10-22 12:36:44 -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: trim optlen when it's a huge value in sctp_setsockopt 2021-07-18 09:47:29 -07:00
stream_interleave.c sctp: get netns from asoc and ep base 2019-12-09 20:14:01 -08:00
stream_sched_prio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104 2019-05-24 17:39:00 +02:00
stream_sched_rr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104 2019-05-24 17:39:00 +02:00
stream_sched.c sctp: rename asoc intl_enable to asoc peer.intl_capable 2019-07-08 20:16:25 -07:00
stream.c net: sctp: Fix negotiation of the number of data streams. 2020-08-20 16:37:37 -07:00
sysctl.c sctp: add probe_interval in sysctl and sock/asoc/transport 2021-06-22 11:28:51 -07:00
transport.c sctp: send pmtu probe only if packet loss in Search Complete state 2021-07-25 23:06:02 +01:00
tsnmap.c net: sctp: trivial: fix typo in comment 2021-03-04 13:48:32 -08:00
ulpevent.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
ulpqueue.c net: sctp: ulpqueue.c: delete duplicated word 2020-08-24 16:21:43 -07:00