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linux/net/l2tp
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Guillaume Nault 7ac6ab1f8a l2tp: only accept PPP sessions in pppol2tp_connect() 
l2tp_session_priv() returns a struct pppol2tp_session pointer only for
PPPoL2TP sessions. In particular, if the session is an L2TP_PWTYPE_ETH
pseudo-wire, l2tp_session_priv() returns a pointer to an l2tp_eth_sess
structure, which is much smaller than struct pppol2tp_session. This
leads to invalid memory dereference when trying to lock ps->sk_lock.

Fixes: d9e31d17ce ("l2tp: Add L2TP ethernet pseudowire support")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
History 2018-06-14 17:10:19 -07:00
..
Kconfig l2tp: Call udp_sock_create 2014-07-14 16:12:15 -07:00
l2tp_core.c l2tp: hold reference on tunnels printed in l2tp/tunnels debugfs file 2018-04-13 12:17:26 -04:00
l2tp_core.h l2tp: hold reference on tunnels printed in l2tp/tunnels debugfs file 2018-04-13 12:17:26 -04:00
l2tp_debugfs.c l2tp: consistent reference counting in procfs and debufs 2018-04-27 11:06:35 -04:00
l2tp_eth.c l2tp: remove .tunnel_sock from struct l2tp_eth 2017-11-11 22:08:23 +09:00
l2tp_ip.c net: convert datagram_poll users tp ->poll_mask 2018-05-26 09:16:44 +02:00
l2tp_ip6.c net: convert datagram_poll users tp ->poll_mask 2018-05-26 09:16:44 +02:00
l2tp_netlink.c l2tp: hold reference on tunnels in netlink dumps 2018-04-13 12:17:26 -04:00
l2tp_ppp.c l2tp: only accept PPP sessions in pppol2tp_connect() 2018-06-14 17:10:19 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00