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d51991e2e3
linux/net/mptcp
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Paolo Abeni d51991e2e3 mptcp: fix shutdown vs fallback race 
If the MPTCP socket shutdown happens before a fallback
to TCP, and all the pending data have been already spooled,
we never close the TCP connection.

Address the issue explicitly checking for critical condition
at fallback time.

Fixes: 1e39e5a32a ("mptcp: infinite mapping sending")
Fixes: 0348c690ed ("mptcp: add the fallback check")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-28 20:45:42 -07:00
..
bpf.c bpf: Add bpf_skc_to_mptcp_sock_proto 2022-05-20 15:29:00 -07:00
crypto_test.c mptcp: move crypto test to KUNIT 2020-06-26 16:21:39 -07:00
crypto.c kunit: mptcp: adhere to KUNIT formatting standard 2021-04-16 17:10:40 -07:00
ctrl.c mptcp: Add a per-namespace sysctl to set the default path manager type 2022-04-29 17:25:14 -07:00
diag.c mptcp: allow dumping subflow context to userspace 2020-03-29 22:14:48 -07:00
Kconfig kunit: mptcp: adhere to KUNIT formatting standard 2021-04-16 17:10:40 -07:00
Makefile Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-05-23 16:07:14 -07:00
mib.c mptcp: add more offered MIBs counter 2022-05-05 19:00:16 -07:00
mib.h mptcp: add more offered MIBs counter 2022-05-05 19:00:16 -07:00
mptcp_diag.c net: inet: Retire port only listening_hash 2022-05-12 16:52:18 -07:00
options.c mptcp: fix shutdown vs fallback race 2022-06-28 20:45:42 -07:00
pm_netlink.c mptcp: netlink: allow userspace-driven subflow establishment 2022-05-04 10:49:32 +01:00
pm_userspace.c mptcp: netlink: allow userspace-driven subflow establishment 2022-05-04 10:49:32 +01:00
pm.c mptcp: invoke MP_FAIL response when needed 2022-06-28 20:45:42 -07:00
protocol.c mptcp: fix shutdown vs fallback race 2022-06-28 20:45:42 -07:00
protocol.h mptcp: fix shutdown vs fallback race 2022-06-28 20:45:42 -07:00
sockopt.c mptcp: sockopt: add TCP_DEFER_ACCEPT support 2022-05-16 13:11:31 -07:00
subflow.c mptcp: fix shutdown vs fallback race 2022-06-28 20:45:42 -07:00
syncookies.c mptcp: don't return sockets in foreign netns 2021-09-24 10:51:36 +01:00
token_test.c mptcp: don't return sockets in foreign netns 2021-09-24 10:51:36 +01:00
token.c mptcp: full disconnect implementation 2022-01-07 11:27:06 +00:00