Hyunwoo Kim f2b0b5210f net/x25: Fix to not accept on connected socket ...

When listen() and accept() are called on an x25 socket
that connect() succeeds, accept() succeeds immediately.
This is because x25_connect() queues the skb to
sk->sk_receive_queue, and x25_accept() dequeues it.

This creates a child socket with the sk of the parent
x25 socket, which can cause confusion.

Fix x25_listen() to return -EINVAL if the socket has
already been successfully connect()ed to avoid this issue.

Signed-off-by: Hyunwoo Kim <v4bel@theori.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

2023-01-25 09:51:04 +00:00

..

af_x25.c

net/x25: Fix to not accept on connected socket

2023-01-25 09:51:04 +00:00

Kconfig

Replace HTTP links with HTTPS ones: X.25 network layer

2020-07-07 15:44:44 -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

sysctl_net_x25.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

x25_dev.c

net/x25: Fix skb leak in x25_lapb_receive_frame()

2022-11-15 20:22:19 -08:00

x25_facilities.c

treewide: Use fallthrough pseudo-keyword

2020-08-23 17:36:59 -05:00

x25_forward.c

net: x25: Use list_for_each_entry() to simplify code in x25_forward.c

2021-06-08 16:31:25 -07:00

x25_in.c

net: x25: drop harmless check of !more

2021-12-09 18:35:11 -08:00

x25_link.c

net: x25: Use list_for_each_entry() to simplify code in x25_link.c

2021-06-08 16:31:24 -07:00

x25_out.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 41

2019-05-24 17:27:12 +02:00

x25_proc.c

x25: remove redundant pointer dev

2022-05-10 11:59:22 +02:00

x25_route.c

net: x25: Use list_for_each_entry() to simplify code in x25_route.c

2021-06-10 14:08:09 -07:00

x25_subr.c

net/x25: Fix null-ptr-deref in x25_disconnect

2020-04-28 14:08:59 -07:00

x25_timer.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 41

2019-05-24 17:27:12 +02:00