Paolo Abeni 41b49a8b91 mptcp: reclaim forward-allocated memory on RX path errors ...

After commit 9db5b3cec4 ("mptcp: borrow forward memory from subflow"),
errors in the receive path prior to queueing skbs into the receive
queue do not trigger forward-allocated memory reclaiming.

Prevent forward memory from growing unboundedly in pathological drop
scenarios by explicitly reclaiming memory when skbs are dropped.

Fixes: 9db5b3cec4 ("mptcp: borrow forward memory from subflow")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20260803-net-mptcp-misc-fixes-7-2-rc6-v2-8-b8f496d71664@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2026-08-06 08:46:24 -07:00

..

bpf.c

mptcp: bpf: Fix type confusion in bpf_mptcp_sock_from_subflow()

2026-05-08 11:38:10 -07:00

crypto_test.c

mptcp: fill in missing MODULE_DESCRIPTION()

2023-12-17 20:54:22 +00:00

crypto.c

mptcp: use HMAC-SHA256 library instead of open-coded HMAC

2025-09-03 15:08:20 -07:00

ctrl.c

mptcp: introduce add_addr_v6_port_drop_ts sysctl knob

2026-06-11 15:33:37 -07:00

diag.c

tcp: ulp: diag: more info without CAP_NET_ADMIN

2025-03-07 19:39:53 -08:00

fastopen.c

mptcp: fastopen: only mark MPTFO subflows with SYN data

2026-08-06 08:46:23 -07:00

Kconfig

mptcp: select CRYPTO_LIB_UTILS instead of CRYPTO

2025-12-08 23:44:16 -08:00

Makefile

mptcp: pm: split in-kernel PM specific code

2025-03-10 13:35:50 -07:00

mib.c

mptcp: borrow forward memory from subflow

2025-11-24 19:49:42 -08:00

mib.h

mptcp: borrow forward memory from subflow

2025-11-24 19:49:42 -08:00

mptcp_diag.c

mptcp: introduce mptcp-level backlog

2025-11-24 19:49:43 -08:00

mptcp_pm_gen.c

tools: ynl-gen: add regeneration comment

2025-11-25 19:20:42 -08:00

mptcp_pm_gen.h

tools: ynl-gen: add regeneration comment

2025-11-25 19:20:42 -08:00

options.c

mptcp: avoid combining some incoming suboptions

2026-08-06 08:46:23 -07:00

pm_kernel.c

mptcp: pm: uniform announced addresses helpers

2026-06-11 15:33:38 -07:00

pm_netlink.c

mptcp: pm: ignore unknown endpoint flags

2025-12-08 23:54:02 -08:00

pm_userspace.c

mptcp: pm: fix memory leak from alloc-during-teardown race

2026-08-06 08:46:23 -07:00

pm.c

mptcp: pm: fix memory leak from alloc-during-teardown race

2026-08-06 08:46:23 -07:00

protocol.c

mptcp: reclaim forward-allocated memory on RX path errors

2026-08-06 08:46:24 -07:00

protocol.h

mptcp: pm: fix memory leak from alloc-during-teardown race

2026-08-06 08:46:23 -07:00

sched.c

mptcp: sched: split validation part

2025-04-15 08:21:46 -07:00

sockopt.c

mptcp: sockopt: set sockopt on all subflows

2026-06-03 19:04:26 -07:00

subflow.c

mptcp: remove MPC && MPJ check

2026-08-06 08:46:23 -07:00

syncookies.c

mptcp: don't return sockets in foreign netns

2021-09-24 10:51:36 +01:00

token_test.c

mptcp: token kunit: set protocol

2024-02-26 18:42:12 -08:00

token.c

mptcp: fix kdoc warnings

2026-02-06 20:35:06 -08:00