netdev - pull-request: bpf 2023-06-07

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Date: Thu,  8 Jun 2023 00:05:14 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: davem@...emloft.net
Cc: kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	daniel@...earbox.net,
	ast@...nel.org,
	andrii@...nel.org,
	martin.lau@...ux.dev,
	netdev@...r.kernel.org,
	bpf@...r.kernel.org
Subject: pull-request: bpf 2023-06-07

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

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

We've added 7 non-merge commits during the last 7 day(s) which contain
a total of 12 files changed, 112 insertions(+), 7 deletions(-).

The main changes are:

1) Fix a use-after-free in BPF's task local storage, from KP Singh.

2) Make struct path handling more robust in bpf_d_path, from Jiri Olsa.

3) Fix a syzbot NULL-pointer dereference in sockmap, from Eric Dumazet.

4) UAPI fix for BPF_NETFILTER before final kernel ships, from Florian Westphal.

5) Fix map-in-map array_map_gen_lookup code generation where elem_size was
   not being set for inner maps, from Rhys Rustad-Elliott.

6) Fix sockopt_sk selftest's NETLINK_LIST_MEMBERSHIPS assertion, from Yonghong Song.

Please consider pulling these changes from:

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

Thanks a lot!

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

Anastasios Papagiannis, John Fastabend, Kuba Piecuch, Song Liu, 
Stanislav Fomichev, syzbot, Yonghong Song

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

The following changes since commit be7f8012a513f5099916ee2da28420156cbb8cf3:

  net: ipa: Use correct value for IPA_STATUS_SIZE (2023-06-01 13:29:18 +0200)

are available in the Git repository at:

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

for you to fetch changes up to f46fab0e36e611a2389d3843f34658c849b6bd60:

  bpf: Add extra path pointer check to d_path helper (2023-06-07 15:03:43 +0200)

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

----------------------------------------------------------------
Eric Dumazet (1):
      bpf, sockmap: Avoid potential NULL dereference in sk_psock_verdict_data_ready()

Florian Westphal (1):
      bpf: netfilter: Add BPF_NETFILTER bpf_attach_type

Jiri Olsa (1):
      bpf: Add extra path pointer check to d_path helper

KP Singh (1):
      bpf: Fix UAF in task local storage

Martin KaFai Lau (1):
      Merge branch 'Fix elem_size not being set for inner maps'

Rhys Rustad-Elliott (2):
      bpf: Fix elem_size not being set for inner maps
      selftests/bpf: Add access_inner_map selftest

Yonghong Song (1):
      selftests/bpf: Fix sockopt_sk selftest

 include/uapi/linux/bpf.h                           |  1 +
 kernel/bpf/map_in_map.c                            |  8 +++-
 kernel/bpf/syscall.c                               |  9 +++++
 kernel/fork.c                                      |  2 +-
 kernel/trace/bpf_trace.c                           | 12 +++++-
 net/core/skmsg.c                                   |  3 +-
 tools/include/uapi/linux/bpf.h                     |  1 +
 tools/lib/bpf/libbpf.c                             |  3 +-
 tools/lib/bpf/libbpf_probes.c                      |  2 +
 .../selftests/bpf/prog_tests/inner_array_lookup.c  | 31 +++++++++++++++
 .../testing/selftests/bpf/prog_tests/sockopt_sk.c  |  2 +-
 .../selftests/bpf/progs/inner_array_lookup.c       | 45 ++++++++++++++++++++++
 12 files changed, 112 insertions(+), 7 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/inner_array_lookup.c
 create mode 100644 tools/testing/selftests/bpf/progs/inner_array_lookup.c