Here are various unrelated fixes: - Patch 1: fix missing wakeups when multiple threads are reading from the same fd. A fix for v5.7.
- Patch 2: fix retransmission loop when MPTCP checksum is enabled. A fix for v5.14. - Patch 3: fix a TOCTOU race while computing rcv_wnd. A fix for v5.11. - Patch 4: allow subflows receive window to shrink if needed. A fix for v5.19. - Patches 5-6: avoid 'extra_subflows' to underflow with the userspace PM. A fix for v5.19. - Patch 7: report errors if one subflow cannot set SO_TIMESTAMPING. A fix for v5.14. - Patch 8: try to set TCP_MAXSEG on all subflows, before reporting errors, if any. A fix for v6.17. - Patch 9: check desc->count in read_sock, to act as expected. A fix for v7.0. - Patch 10: fix an uninit value in mptcp_established_options, reported by syzbot. A fix for v7.1-rc1. - Patch 11: fix a similar issue than the previous patch, exposed by the same modification from v7.1-rc1, but was already causing issues since v5.15. Signed-off-by: Matthieu Baerts (NGI0) <[email protected]> --- Changes in v2: - Drop former patch 9 - Patch 3: add a missing 's' in a comment (NIPA AI) - Patches 10-11: new - Link to v1: https://patch.msgid.link/20260601-net-mptcp-misc-fixes-7-1-rc7-v1-0-a5ae77917...@kernel.org --- Gang Yan (1): mptcp: check desc->count in read_sock Matthieu Baerts (NGI0) (3): mptcp: sockopt: check timestamping ret value mptcp: sockopt: set sockopt on all subflows mptcp: add-addr: always drop other suboptions Paolo Abeni (5): mptcp: fix missing wakeups in edge scenarios mptcp: fix retransmission loop when csum is enabled mptcp: close TOCTOU race while computing rcv_wnd mptcp: allow subflow rcv wnd to shrink mptcp: fix uninit-value in mptcp_established_options Tao Cui (2): mptcp: pm: fix extra_subflows underflow on userspace PM subflow creation selftests: mptcp: add test for extra_subflows underflow on userspace PM include/net/mptcp.h | 7 ++- net/mptcp/options.c | 79 ++++++++++++------------- net/mptcp/pm.c | 15 ++--- net/mptcp/pm_userspace.c | 14 +++-- net/mptcp/protocol.c | 10 ++++ net/mptcp/protocol.h | 7 +-- net/mptcp/sockopt.c | 15 +++-- tools/testing/selftests/net/mptcp/mptcp_join.sh | 4 ++ 8 files changed, 81 insertions(+), 70 deletions(-) --- base-commit: 3522b21fd7e1863d0734537737bd59f1b90d0190 change-id: 20260531-net-mptcp-misc-fixes-7-1-rc7-34884c9b246d Best regards, -- Matthieu Baerts (NGI0) <[email protected]>
