[PATCH OLK-6.6 0/2] Fix CVE-2025-40123

Fix CVE-2025-40123. Daniel Borkmann (2): bpf: Enforce expected_attach_type for tailcall compatibility selftests/bpf: Add test case for different expected_attach_type include/linux/bpf.h | 1 + kernel/bpf/core.c | 5 +++ .../bpf/prog_tests/xdp_devmap_attach.c | 31 ++++++++++++++++++- .../bpf/progs/test_xdp_devmap_tailcall.c | 29 +++++++++++++++++ 4 files changed, 65 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_devmap_tailcall.c -- 2.34.1