On Tue, 20 Jan 2026 15:10:30 +0100 Thomas Weißschuh wrote: > Various UAPI headers reference 'struct sockaddr'. Currently the > definition of this struct is pulled in from the libc header > sys/socket.h. This is problematic as it introduces a dependency > on a full userspace toolchain. > > Add a definition of 'struct sockaddr' to the UAPI headers. > Before that, reorder some problematic header inclusions in the selftests.
> include/linux/socket.h | 10 ---------- > include/uapi/linux/if.h | 4 ---- > include/uapi/linux/libc-compat.h | 12 ++++++++++++ > include/uapi/linux/socket.h | 14 ++++++++++++++ > samples/bpf/xdp_adjust_tail_user.c | 6 ++++-- > samples/bpf/xdp_fwd_user.c | 7 ++++--- > samples/bpf/xdp_router_ipv4_user.c | 6 +++--- > samples/bpf/xdp_sample_user.c | 15 ++++++++------- > samples/bpf/xdp_tx_iptunnel_user.c | 4 ++-- > tools/testing/selftests/landlock/audit.h | 7 ++++--- > tools/testing/selftests/net/af_unix/diag_uid.c | 9 +++++---- > tools/testing/selftests/net/busy_poller.c | 3 ++- > tools/testing/selftests/net/mptcp/mptcp_diag.c | 11 ++++++----- > tools/testing/selftests/net/nettest.c | 4 ++-- > tools/testing/selftests/net/tcp_ao/icmps-discard.c | 6 +++--- > tools/testing/selftests/net/tcp_ao/lib/netlink.c | 9 +++++---- > tools/testing/selftests/net/tun.c | 5 +++-- > 17 files changed, 77 insertions(+), 55 deletions(-) Are all those selftests / samples getting broken by this patch set? I understand that we should avoid libc dependencies in uAPI but at least speaking for networking - building selftests without libc is.. not a practical proposition?

