netdev - pull-request: bpf 2023-06-21

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Message-Id: <20230621101116.16122-1-daniel@iogearbox.net>
Date: Wed, 21 Jun 2023 12:11:16 +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 2023-06-21

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 14 day(s) which contain
a total of 7 files changed, 181 insertions(+), 15 deletions(-).

The main changes are:

1) Fix a verifier id tracking issue with scalars upon spill, from Maxim Mikityanskiy.

2) Fix NULL dereference if an exception is generated while a BPF subprogram is running,
   from Krister Johansen.

3) Fix a BTF verification failure when compiling kernel with LLVM_IAS=0, from Florent Revest.

4) Fix expected_attach_type enforcement for kprobe_multi link, from Jiri Olsa.

5) Fix a bpf_jit_dump issue for x86_64 to pick the correct JITed image, 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:

Andrii Nakryiko, Ilya Leoshkevich, Song Liu, Yonghong Song

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

The following changes since commit 182620ab3660c5a9098ffaa0e8a898e41b164987:

  Merge tag 'batadv-net-pullrequest-20230607' of git://git.open-mesh.org/linux-merge (2023-06-07 21:56:01 -0700)

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 db8eae6bc5c702d8e3ab2d0c6bb5976c131576eb:

  bpf: Force kprobe multi expected_attach_type for kprobe_multi link (2023-06-21 10:40:26 +0200)

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

----------------------------------------------------------------
Alexei Starovoitov (1):
      Merge branch 'bpf: fix NULL dereference during extable search'

Florent Revest (1):
      bpf/btf: Accept function names that contain dots

Jiri Olsa (1):
      bpf: Force kprobe multi expected_attach_type for kprobe_multi link

Krister Johansen (2):
      bpf: ensure main program has an extable
      selftests/bpf: add a test for subprogram extables

Maxim Mikityanskiy (2):
      bpf: Fix verifier id tracking of scalars on spill
      selftests/bpf: Add test cases to assert proper ID tracking on spill

Yonghong Song (1):
      bpf: Fix a bpf_jit_dump issue for x86_64 with sysctl bpf_jit_enable.

 arch/x86/net/bpf_jit_comp.c                        |  2 +-
 kernel/bpf/btf.c                                   | 20 +++---
 kernel/bpf/syscall.c                               |  5 ++
 kernel/bpf/verifier.c                              | 10 ++-
 .../selftests/bpf/prog_tests/subprogs_extable.c    | 29 ++++++++
 .../selftests/bpf/progs/test_subprogs_extable.c    | 51 ++++++++++++++
 .../selftests/bpf/progs/verifier_spill_fill.c      | 79 ++++++++++++++++++++++
 7 files changed, 181 insertions(+), 15 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/subprogs_extable.c
 create mode 100644 tools/testing/selftests/bpf/progs/test_subprogs_extable.c