Fix for UDP sockets refcount asymmetry in sockmap lookup/release.
Accompanied by a selftest.

Signed-off-by: Michal Luczaj <redacted>
---
Michal Luczaj (2):
      bpf, sockmap: Don't leak UDP socks on lookup-bind-release
      selftests/bpf: Add test for UDP sock leak on sockmap lookup-bind-release

 net/ipv4/udp_bpf.c                                 |  3 ++
 .../selftests/bpf/prog_tests/sockmap_basic.c       | 50 ++++++++++++++++++++++
 .../bpf/progs/test_sockmap_lookup_bind_release.c   | 37 ++++++++++++++++
 3 files changed, 90 insertions(+)
---
base-commit: 12091470c6b4c1c14b2de12dcbae2ada6cb6d20b
change-id: 20260617-sockmap-lookup-udp-leak-bc4e5c5481d7

Best regards,
--  
Michal Luczaj [off-list ref]