netdev - pull-request: bpf 2020-06-17

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Message-Id: <20200617201020.48276-1-alexei.starovoitov@gmail.com>
Date:   Wed, 17 Jun 2020 13:10:20 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     davem@...emloft.net
Cc:     daniel@...earbox.net, netdev@...r.kernel.org, bpf@...r.kernel.org,
        kernel-team@...com
Subject: pull-request: bpf 2020-06-17

Hi David,

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

We've added 10 non-merge commits during the last 2 day(s) which contain
a total of 14 files changed, 158 insertions(+), 59 deletions(-).

The main changes are:

1) Important fix for bpf_probe_read_kernel_str() return value, from Andrii.

2) [gs]etsockopt fix for large optlen, from Stanislav.

3) devmap allocation fix, from Toke.

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:

Andrii Nakryiko, Christoph Hellwig, Jesper Dangaard Brouer, John 
Fastabend, Xiumei Mu

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

The following changes since commit c92cbaea3cc0a80807e386922f801eb6d3652c81:

  net: dsa: sja1105: fix PTP timestamping with large tc-taprio cycles (2020-06-15 13:45:59 -0700)

are available in the Git repository at:

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

for you to fetch changes up to 8030e250d882db174cbcd88273570ffb36a13080:

  bpf: Document optval > PAGE_SIZE behavior for sockopt hooks (2020-06-17 10:54:05 -0700)

----------------------------------------------------------------
Andrii Nakryiko (3):
      bpf: Fix definition of bpf_ringbuf_output() helper in UAPI comments
      tools/bpftool: Add ringbuf map to a list of known map types
      bpf: bpf_probe_read_kernel_str() has to return amount of data read on success

Gaurav Singh (1):
      bpf, xdp, samples: Fix null pointer dereference in *_user code

Hangbin Liu (1):
      xdp: Handle frame_sz in xdp_convert_zc_to_xdp_frame()

Stanislav Fomichev (3):
      bpf: Don't return EINVAL from {get,set}sockopt when optlen > PAGE_SIZE
      selftests/bpf: Make sure optvals > PAGE_SIZE are bypassed
      bpf: Document optval > PAGE_SIZE behavior for sockopt hooks

Tobias Klauser (1):
      tools, bpftool: Add ringbuf map type to map command docs

Toke Høiland-Jørgensen (1):
      devmap: Use bpf_map_area_alloc() for allocating hash buckets

 Documentation/bpf/prog_cgroup_sockopt.rst          | 14 ++++++
 include/uapi/linux/bpf.h                           |  2 +-
 kernel/bpf/cgroup.c                                | 53 +++++++++++++--------
 kernel/bpf/devmap.c                                | 10 ++--
 kernel/trace/bpf_trace.c                           |  2 +-
 net/core/xdp.c                                     |  1 +
 samples/bpf/xdp_monitor_user.c                     |  8 +---
 samples/bpf/xdp_redirect_cpu_user.c                |  7 +--
 samples/bpf/xdp_rxq_info_user.c                    | 13 ++----
 tools/bpf/bpftool/Documentation/bpftool-map.rst    |  2 +-
 tools/bpf/bpftool/map.c                            |  3 +-
 tools/include/uapi/linux/bpf.h                     |  2 +-
 .../testing/selftests/bpf/prog_tests/sockopt_sk.c  | 46 +++++++++++++++---
 tools/testing/selftests/bpf/progs/sockopt_sk.c     | 54 +++++++++++++++++++++-
 14 files changed, 158 insertions(+), 59 deletions(-)