Paolo Abeni 39884604b1 mptcp: fix NULL ptr dereference in MP_JOIN error path ... When token lookup on MP_JOIN 3rd ack fails, the server socket closes with a reset the incoming child. Such socket has the 'is_mptcp' flag set, but no msk socket associated - due to the failed lookup. While crafting the reset packet mptcp_established_options_mp() will try to dereference the child's master socket, causing a NULL ptr dereference. This change addresses the issue with explicit fallback to TCP in such error path. Fixes: 729cd6436f ("mptcp: cope better with MP_JOIN failure") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2020-05-30 21:54:03 -07:00
..
crypto.c	mptcp: use untruncated hash in ADD_ADDR HMAC	2020-05-22 14:21:24 -07:00
ctrl.c	mptcp: new sysctl to control the activation per NS	2020-01-24 13:44:08 +01:00
diag.c	mptcp: allow dumping subflow context to userspace	2020-03-29 22:14:48 -07:00
Kconfig	mptcp: select CRYPTO	2020-02-16 19:37:16 -08:00
Makefile	mptcp: add netlink-based PM	2020-03-29 22:14:49 -07:00
mib.c	mptcp: add and use MIB counter infrastructure	2020-03-29 22:14:49 -07:00
mib.h	mptcp: add and use MIB counter infrastructure	2020-03-29 22:14:49 -07:00
options.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-05-24 13:47:27 -07:00
pm_netlink.c	mptcp/pm_netlink.c : add check for nla_put_in/6_addr	2020-04-23 15:38:10 -07:00
pm.c	mptcp: add some missing pr_fmt defines	2020-04-03 16:06:32 -07:00
protocol.c	mptcp: attempt coalescing when moving skbs to mptcp rx queue	2020-05-26 20:29:32 -07:00
protocol.h	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-05-24 13:47:27 -07:00
subflow.c	mptcp: fix NULL ptr dereference in MP_JOIN error path	2020-05-30 21:54:03 -07:00
token.c	mptcp: fix "fn parameter not described" warnings	2020-04-02 06:59:21 -07:00