pull-request: bpf-next 2023-12-19

[Daniel Borkmann <daniel@iogearbox.net>]

Hi David, hi Jakub, hi Paolo, hi Eric,

The following pull-request contains BPF updates for your *net-next* tree.

We've added 2 non-merge commits during the last 1 day(s) which contain
a total of 40 files changed, 642 insertions(+), 2926 deletions(-).

The main changes are:

1) Revert all of BPF token-related patches for now as per list discussion [0],
   from Andrii Nakryiko.

   [0] https://lore.kernel.org/bpf/CAHk-=wg7JuFYwGy=GOMbRCtOL+jwSQsdUaBsRWkDVYbxipbM5A@mail.gmail.com

2) Fix a syzbot-reported use-after-free read in nla_find() triggered from
   bpf_skb_get_nlattr_nest() helper, from Jakub Kicinski.

Please consider pulling these changes from:

  git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev

Thanks a lot!

Also thanks to reporters, reviewers and testers of commits in this pull-request:

Simon Horman

----------------------------------------------------------------

The following changes since commit f7dd48ea76be30666f0614d6a06061185ed38c60:

  Merge branch 'add-pf-vf-mailbox-support' (2023-12-19 12:00:55 +0100)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev

for you to fetch changes up to d17aff807f845cf93926c28705216639c7279110:

  Revert BPF token-related functionality (2023-12-19 08:23:03 -0800)

----------------------------------------------------------------
bpf-next-for-netdev

----------------------------------------------------------------
Andrii Nakryiko (1):
      Revert BPF token-related functionality

Jakub Kicinski (1):
      bpf: Use nla_ok() instead of checking nla_len directly

 drivers/media/rc/bpf-lirc.c                        |    2 +-
 include/linux/bpf.h                                |   85 +-
 include/linux/filter.h                             |    2 +-
 include/linux/lsm_hook_defs.h                      |   15 +-
 include/linux/security.h                           |   43 +-
 include/uapi/linux/bpf.h                           |   42 -
 kernel/bpf/Makefile                                |    2 +-
 kernel/bpf/arraymap.c                              |    2 +-
 kernel/bpf/bpf_lsm.c                               |   15 +-
 kernel/bpf/cgroup.c                                |    6 +-
 kernel/bpf/core.c                                  |    3 +-
 kernel/bpf/helpers.c                               |    6 +-
 kernel/bpf/inode.c                                 |  326 +------
 kernel/bpf/syscall.c                               |  215 ++--
 kernel/bpf/token.c                                 |  271 -----
 kernel/bpf/verifier.c                              |   13 +-
 kernel/trace/bpf_trace.c                           |    2 +-
 net/core/filter.c                                  |   38 +-
 net/ipv4/bpf_tcp_ca.c                              |    2 +-
 net/netfilter/nf_bpf_link.c                        |    2 +-
 security/security.c                                |  101 +-
 security/selinux/hooks.c                           |   47 +-
 tools/include/uapi/linux/bpf.h                     |   42 -
 tools/lib/bpf/Build                                |    2 +-
 tools/lib/bpf/bpf.c                                |   37 +-
 tools/lib/bpf/bpf.h                                |   35 +-
 tools/lib/bpf/btf.c                                |    7 +-
 tools/lib/bpf/elf.c                                |    2 +
 tools/lib/bpf/features.c                           |  478 ---------
 tools/lib/bpf/libbpf.c                             |  573 ++++++++---
 tools/lib/bpf/libbpf.h                             |   37 +-
 tools/lib/bpf/libbpf.map                           |    1 -
 tools/lib/bpf/libbpf_internal.h                    |   36 +-
 tools/lib/bpf/libbpf_probes.c                      |    8 +-
 tools/lib/bpf/str_error.h                          |    3 -
 .../selftests/bpf/prog_tests/libbpf_probes.c       |    4 -
 .../testing/selftests/bpf/prog_tests/libbpf_str.c  |    6 -
 tools/testing/selftests/bpf/prog_tests/token.c     | 1031 --------------------
 tools/testing/selftests/bpf/progs/priv_map.c       |   13 -
 tools/testing/selftests/bpf/progs/priv_prog.c      |   13 -
 40 files changed, 642 insertions(+), 2926 deletions(-)
 delete mode 100644 kernel/bpf/token.c
 delete mode 100644 tools/lib/bpf/features.c
 delete mode 100644 tools/testing/selftests/bpf/prog_tests/token.c
 delete mode 100644 tools/testing/selftests/bpf/progs/priv_map.c
 delete mode 100644 tools/testing/selftests/bpf/progs/priv_prog.c