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Marcelo Ricardo Leitner 5030f66824 sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket

[ Upstream commit 471e39df96 ]

If a socket is set ipv6only, it will still send IPv4 addresses in the
INIT and INIT_ACK packets. This potentially misleads the peer into using
them, which then would cause association termination.

The fix is to not add IPv4 addresses to ipv6only sockets.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2020-06-30 15:38:39 -04:00

auth.h

sctp: Use shash

2016-01-27 20:36:15 +08:00

checksum.h

sctp: get sctphdr by offset in sctp_compute_cksum

2019-04-03 06:24:15 +02:00

command.h

sctp: handle association restarts when the socket is closed.

2014-10-06 00:21:45 -04:00

constants.h

sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket