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linux-next/net/sctp
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Willem de Bruijn 121d57af30 gso: validate gso_type in GSO handlers 
Validate gso_type during segmentation as SKB_GSO_DODGY sources
may pass packets where the gso_type does not match the contents.

Syzkaller was able to enter the SCTP gso handler with a packet of
gso_type SKB_GSO_TCPV4.

On entry of transport layer gso handlers, verify that the gso_type
matches the transport protocol.

Fixes: 90017accff ("sctp: Add GSO support")
Link: http://lkml.kernel.org/r/<001a1137452496ffc305617e5fe0@google.com>
Reported-by: syzbot+fee64147a25aecd48055@syzkaller.appspotmail.com
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-22 16:01:30 -05:00
..
associola.c net: sctp: Convert timers to use timer_setup() 2017-10-25 12:02:09 +09:00
auth.c sctp: remove the typedef sctp_hmac_algo_param_t 2017-07-16 20:52:14 -07:00
bind_addr.c sctp: remove the typedef sctp_scope_t 2017-08-06 21:33:41 -07:00
chunk.c sctp: do not abandon the other frags in unsent outq if one msg has outstanding frags 2017-12-01 15:06:24 -05:00
debug.c sctp: add SCTP_CID_RECONF conversion in sctp_cname 2017-12-18 13:21:46 -05:00
endpointola.c sctp: remove the typedef sctp_subtype_t 2017-08-06 21:33:42 -07:00
input.c sctp: fix the handling of ICMP Frag Needed for too small MTUs 2018-01-08 14:19:13 -05:00
inqueue.c sctp: remove the typedef sctp_chunkhdr_t 2017-07-01 09:08:41 -07:00
ipv6.c sctp: avoid compiler warning on implicit fallthru 2018-01-15 13:56:13 -05:00
Kconfig sctp: add the sctp_diag.c file 2016-04-15 17:29:36 -04:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
objcnt.c sctp: remove the typedef sctp_dbg_objcnt_entry_t 2017-08-11 10:02:43 -07:00
offload.c gso: validate gso_type in GSO handlers 2018-01-22 16:01:30 -05:00
output.c sctp: remove the typedef sctp_xmit_t 2017-08-06 21:33:42 -07:00
outqueue.c sctp: avoid compiler warning on implicit fallthru 2018-01-15 13:56:13 -05:00
primitive.c sctp: remove the typedef sctp_subtype_t 2017-08-06 21:33:42 -07:00
probe.c sctp: remove the typedef sctp_disposition_t 2017-08-11 10:02:44 -07:00
proc.c net: convert sock.sk_wmem_alloc from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
protocol.c sctp: remove extern from stream sched 2017-11-28 11:00:13 -05:00
sctp_diag.c sctp: Fix a big endian bug in sctp_diag_dump() 2017-09-26 21:16:29 -07:00
sm_make_chunk.c sctp: check stream reset info len before making reconf chunk 2017-11-16 10:49:00 +09:00
sm_sideeffect.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-10-30 21:09:24 +09:00
sm_statefuns.c sctp: remove the typedef sctp_disposition_t 2017-08-11 10:02:44 -07:00
sm_statetable.c sctp: remove the typedef sctp_sm_table_entry_t 2017-08-11 10:02:44 -07:00
socket.c sctp: do not allow the v4 socket to bind a v4mapped v6 address 2018-01-16 14:24:20 -05:00
stream_sched_prio.c sctp: remove extern from stream sched 2017-11-28 11:00:13 -05:00
stream_sched_rr.c sctp: remove extern from stream sched 2017-11-28 11:00:13 -05:00
stream_sched.c sctp: remove extern from stream sched 2017-11-28 11:00:13 -05:00
stream.c sctp: fix error path in sctp_stream_init 2018-01-03 11:29:42 -05:00
sysctl.c sctp: remove the typedef sctp_scope_policy_t 2017-08-06 21:33:41 -07:00
transport.c sctp: fix the handling of ICMP Frag Needed for too small MTUs 2018-01-08 14:19:13 -05:00
tsnmap.c sctp: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
ulpevent.c sctp: fix some type cast warnings introduced by stream reconf 2017-10-29 18:03:24 +09:00
ulpqueue.c sctp: fix the issue that a __u16 variable may overflow in sctp_ulpq_renege 2017-12-18 13:21:46 -05:00