netdev - pull-request: bpf 2022-04-06

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Date:   Wed,  6 Apr 2022 20:12:45 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     davem@...emloft.net
Cc:     daniel@...earbox.net, kuba@...nel.org, andrii@...nel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org, kernel-team@...com
Subject: pull-request: bpf 2022-04-06

Hi David, hi Jakub,

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

We've added 8 non-merge commits during the last 8 day(s) which contain
a total of 9 files changed, 139 insertions(+), 36 deletions(-).

The main changes are:

1) rethook related fixed, from Jiri and Masami.

2) Fix the case when tracing bpf prog is attached to struct_ops, from Martin. 

3) Support dual-stack sockets in bpf_tcp_check_syncookie, from Maxim.

Please consider pulling these changes from:

  git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git

Thanks a lot!

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

Alexei Starovoitov, Arthur Fabre, Jakub Kicinski, Tariq Toukan, Yonghong 
Song

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

The following changes since commit 77c9387c0c5bd496fba3200024e3618356b2fd34:

  Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf (2022-03-29 18:59:15 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git 

for you to fetch changes up to 53968dafc4a6061c1e01d884f1f9a4b8c4b0d5bc:

  bpf: Adjust bpf_tcp_check_syncookie selftest to test dual-stack sockets (2022-04-06 09:44:45 -0700)

----------------------------------------------------------------
Delyan Kratunov (1):
      bpftool: Explicit errno handling in skeletons

Haowen Bai (1):
      selftests/bpf: Fix warning comparing pointer to 0

Jiri Olsa (1):
      bpf: Fix sparse warnings in kprobe_multi_resolve_syms

Martin KaFai Lau (2):
      bpf: Resolve to prog->aux->dst_prog->type only for BPF_PROG_TYPE_EXT
      bpf: selftests: Test fentry tracing a struct_ops program

Masami Hiramatsu (1):
      rethook: Fix to use WRITE_ONCE() for rethook:: Handler

Maxim Mikityanskiy (2):
      bpf: Support dual-stack sockets in bpf_tcp_check_syncookie
      bpf: Adjust bpf_tcp_check_syncookie selftest to test dual-stack sockets

 include/linux/bpf_verifier.h                       |  4 +-
 kernel/trace/bpf_trace.c                           |  4 +-
 kernel/trace/rethook.c                             |  2 +-
 net/core/filter.c                                  | 17 +++--
 tools/bpf/bpftool/gen.c                            | 22 ++++--
 .../selftests/bpf/prog_tests/dummy_st_ops.c        | 23 +++++++
 tools/testing/selftests/bpf/progs/map_ptr_kern.c   |  4 +-
 .../selftests/bpf/progs/trace_dummy_st_ops.c       | 21 ++++++
 .../selftests/bpf/test_tcp_check_syncookie_user.c  | 78 ++++++++++++++++------
 9 files changed, 139 insertions(+), 36 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/progs/trace_dummy_st_ops.c