bpf [core] · Maintained

Maintainers

• M Alexei Starovoitov <ast@kernel.org>
• M Daniel Borkmann <daniel@iogearbox.net>
• R John Fastabend <john.fastabend@gmail.com>

Paths

• F include/linux/bpf*
• F include/linux/filter.h
• F include/linux/tnum.h
• F kernel/bpf/core.c
• F kernel/bpf/dispatcher.c
• F kernel/bpf/mprog.c
• F kernel/bpf/syscall.c
• F kernel/bpf/tnum.c
• F kernel/bpf/trampoline.c
• F kernel/bpf/verifier.c

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH bpf-next v4 0/9] Verify BPF signed loader at load time
  2026-07-06 13:56 · 4 replies in 7d · Daniel Borkmann <daniel@iogearbox.net>
• HOTtoday [PATCH bpf-next v3 0/6] Verify BPF signed loader at load time
  2026-07-02 14:36 · 3 replies in 7d · Daniel Borkmann <daniel@iogearbox.net>

Active reviewers (last 30 days)

• Song Liu <song@kernel.org>
  1 attestation (1 Suggested-by) · last on 2026-06-18

Recent patches

Most-recent 30 patches in this subsystem on linux-security-module (capped at 30), ordered by date desc.

• HOTtoday [PATCH bpf-next v4 4/9] libbpf: Drop in-loader metadata check for load-time verification
  2026-07-06 · Daniel Borkmann <daniel@iogearbox.net>
• HOTtoday [PATCH bpf-next v4 3/9] bpf: Verify signed loader metadata at load time
  2026-07-06 · Daniel Borkmann <daniel@iogearbox.net>
• HOTtoday [PATCH bpf-next v4 2/9] bpf: Move bigger allocations below fd_array resolution
  2026-07-06 · Daniel Borkmann <daniel@iogearbox.net>
• HOTtoday [PATCH bpf-next v4 1/9] bpf: Resolve and cache fd_array objects at load time
  2026-07-06 · Daniel Borkmann <daniel@iogearbox.net>
• HOTtoday [PATCH bpf-next v3 3/6] libbpf: Drop in-loader metadata check for load-time verification
  2026-07-02 · Daniel Borkmann <daniel@iogearbox.net>
• HOTtoday [PATCH bpf-next v3 2/6] bpf: Verify signed loader metadata at load time
  2026-07-02 · Daniel Borkmann <daniel@iogearbox.net>
• HOTtoday [PATCH bpf-next v3 1/6] bpf: Resolve and cache fd_array objects at load time
  2026-07-02 · Daniel Borkmann <daniel@iogearbox.net>
• COOLING10d [PATCH bpf-next v2 2/5] libbpf: Drop in-loader metadata check for load-time verification
  2026-06-24 · Daniel Borkmann <daniel@iogearbox.net>
• COOLING10d [PATCH bpf-next v2 1/5] bpf: Verify signed loader metadata at load time
  2026-06-24 · Daniel Borkmann <daniel@iogearbox.net>
• COOLING11d [PATCH bpf-next v3 1/2] bpf: add bpf_init_inode_xattr kfunc for atomic inode labeling
  2026-06-18 · David Windsor <hidden>
• COLD24d [PATCH bpf-next 2/5] libbpf: Drop in-loader metadata check for load-time verification
  2026-06-10 · Daniel Borkmann <daniel@iogearbox.net>
• COLD24d [PATCH bpf-next 1/5] bpf: Verify signed loader metadata at load time
  2026-06-10 · Daniel Borkmann <daniel@iogearbox.net>
• COLD38d Re: [PATCH bpf v3 2/2] bpf, libbpf: reject non-exclusive metadata maps in the signed loader
  2026-05-29 · Daniel Borkmann <daniel@iogearbox.net>
• COLD36d IN BPF-NEXT [PATCH] lsm,bpf: fix security_bpf_prog_load() error handling
  2026-05-23 · Paul Moore <paul@paul-moore.com>
• COLD41d [PATCH bpf-next 06/13] bpf: resolve loader-style kfunc CALLs against prog BTF
  2026-05-22 · KP Singh <kpsingh@kernel.org>
• COLD41d [PATCH bpf-next 05/13] bpf: compute prog->digest at BPF_PROG_LOAD entry
  2026-05-22 · KP Singh <kpsingh@kernel.org>
• COLD41d [PATCH bpf-next 02/13] bpf: include prog BTF in the signed loader signature scope
  2026-05-22 · KP Singh <kpsingh@kernel.org>
• COLD41d [PATCH bpf-next 01/13] bpf: expose signature verdict to LSMs via bpf_prog_aux
  2026-05-22 · KP Singh <kpsingh@kernel.org>
• STALE66d [PATCH bpf-next 1/2] bpf: add bpf_init_inode_xattr kfunc for atomic inode labeling
  2026-04-27 · David Windsor <hidden>
• COOLING5d [RFC PATCH 10/20] bpf: verifier: Add Landlock ruleset map support
  2026-04-07 · Justin Suess <hidden>
• COOLING5d [RFC PATCH 09/20] bpf: syscall: Handle Landlock ruleset maps
  2026-04-07 · Justin Suess <hidden>
• STALE110d [PATCH v2 2/2] tree-wide: rename do_exit() to task_exit()
  2026-03-10 · Christian Brauner <brauner@kernel.org>
• STALE218d [PATCH bpf-next 1/3] bpf: Allow const char * from LSM hooks as kfunc const string arguments
  2025-11-27 · Song Liu <song@kernel.org>
• STALE218d [PATCH bpf-next 1/3] bpf: Allow const char * from LSM hooks as kfunc const string arguments
  2025-11-27 · Song Liu <song@kernel.org>
• STALE256d REVIEWED: 1 (0M) [PATCH bpf-next v2 1/3] bpf: Add hash chain signature support for arbitrary maps
  2025-09-29 · Blaise Boscaccy <hidden>
• STALE280d [PATCH bpf-next 1/2] bpf: Add hash chain signature support for arbitrary maps
  2025-09-26 · Blaise Boscaccy <hidden>
• STALE272d LANDED: 1 (0M) [PATCH bpf-next v7 1/5] bpf: Implement signature verification for BPF programs
  2025-09-21 · KP Singh <kpsingh@kernel.org>
• STALE288d REVIEWED: 1 (0M) [PATCH v6 1/5] bpf: Implement signature verification for BPF programs
  2025-09-21 · KP Singh <kpsingh@kernel.org>
• STALE282d REVIEWED: 1 (0M) [PATCH v5 08/12] bpf: Implement signature verification for BPF programs
  2025-09-21 · KP Singh <kpsingh@kernel.org>
• STALE282d [PATCH v5 06/12] bpf: Return hashes of maps in BPF_OBJ_GET_INFO_BY_FD
  2025-09-21 · KP Singh <kpsingh@kernel.org>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• COOLING5d [RFC PATCH 09/20] bpf: syscall: Handle Landlock ruleset maps
  2026-04-07 · Justin Suess <hidden>
• COOLING5d [RFC PATCH 10/20] bpf: verifier: Add Landlock ruleset map support
  2026-04-07 · Justin Suess <hidden>
• COLD41d [PATCH bpf-next 01/13] bpf: expose signature verdict to LSMs via bpf_prog_aux
  2026-05-22 · KP Singh <kpsingh@kernel.org>
• COLD41d [PATCH bpf-next 02/13] bpf: include prog BTF in the signed loader signature scope
  2026-05-22 · KP Singh <kpsingh@kernel.org>