pull-request: bpf 2020-06-12

pull-request: bpf 2020-06-12

[Alexei Starovoitov]

Hi David,

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

We've added 26 non-merge commits during the last 10 day(s) which contain
a total of 27 files changed, 348 insertions(+), 93 deletions(-).

The main changes are:

1) sock_hash accounting fix, from Andrey.

2) libbpf fix and probe_mem sanitizing, from Andrii.

3) sock_hash fixes, from Jakub.

4) devmap_val fix, from Jesper.

5) load_bytes_relative fix, from YiFei.

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, Björn Töpel, Eric Dumazet, Jakub Sitnicki, 
Jean-Philippe Brucker, John Fastabend, Masami Hiramatsu, Song Liu, 
Stanislav Fomichev, Tobias Klauser, Yonghong Song

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

The following changes since commit cb8e59cc87201af93dfbb6c3dccc8fcad72a09c2:

  Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next (2020-06-03 16:27:18 -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 29fcb05bbf1a7008900bb9bee347bdbfc7171036:

  bpf: Undo internal BPF_PROBE_MEM in BPF insns dump (2020-06-12 17:35:38 -0700)

----------------------------------------------------------------
Andrey Ignatov (1):
      bpf: Fix memlock accounting for sock_hash

Andrii Nakryiko (5):
      selftests/bpf: Fix ringbuf selftest sample counting undeterminism
      libbpf: Handle GCC noreturn-turned-volatile quirk
      tools/bpftool: Fix skeleton codegen
      libbpf: Support pre-initializing .bss global variables
      bpf: Undo internal BPF_PROBE_MEM in BPF insns dump

Arnaldo Carvalho de Melo (1):
      libbpf: Define __WORDSIZE if not available

Brett Mastbergen (1):
      tools, bpf: Do not force gcc as CC

Dan Carpenter (1):
      bpf: Fix an error code in check_btf_func()

David Ahern (1):
      bpf: Reset data_meta before running programs attached to devmap entry

Jakub Sitnicki (2):
      bpf, sockhash: Fix memory leak when unlinking sockets in sock_hash_free
      bpf, sockhash: Synchronize delete from bucket list on map free

Jean-Philippe Brucker (1):
      tracing/probe: Fix bpf_task_fd_query() for kprobes and uprobes

Jesper Dangaard Brouer (2):
      bpf: Devmap adjust uapi for attach bpf program
      bpf: Selftests and tools use struct bpf_devmap_val from uapi

Li RongQing (1):
      xdp: Fix xsk_generic_xmit errno

Lorenz Bauer (3):
      scripts: Require pahole v1.16 when generating BTF
      bpf: cgroup: Allow multi-attach program to replace itself
      bpf: sockmap: Don't attach programs to UDP sockets

Matthieu Baerts (1):
      bpf: Fix unused-var without NETDEVICES

Sabrina Dubroca (1):
      bpf: tcp: Recv() should return 0 when the peer socket is closed

Tobias Klauser (2):
      tools, bpftool: Fix memory leak in codegen error cases
      tools, bpftool: Exit on error in function codegen

YiFei Zhu (2):
      net/filter: Permit reading NET in load_bytes_relative when MAC not set
      selftests/bpf: Add cgroup_skb/egress test for load_bytes_relative

dihu (1):
      bpf/sockmap: Fix kernel panic at __tcp_bpf_recvmsg

 include/uapi/linux/bpf.h                           | 13 ++++
 kernel/bpf/cgroup.c                                |  2 +-
 kernel/bpf/devmap.c                                | 18 ++----
 kernel/bpf/syscall.c                               | 17 ++++--
 kernel/bpf/verifier.c                              |  2 +-
 kernel/trace/trace_kprobe.c                        |  2 +-
 kernel/trace/trace_uprobe.c                        |  2 +-
 net/core/filter.c                                  | 19 +++---
 net/core/sock_map.c                                | 38 ++++++++++--
 net/ipv4/tcp_bpf.c                                 |  6 ++
 net/xdp/xsk.c                                      |  4 +-
 scripts/link-vmlinux.sh                            |  4 +-
 tools/bpf/Makefile                                 |  1 -
 tools/bpf/bpftool/gen.c                            | 11 ++--
 tools/include/uapi/linux/bpf.h                     | 13 ++++
 tools/lib/bpf/btf_dump.c                           | 33 +++++++---
 tools/lib/bpf/hashmap.h                            |  7 +--
 tools/lib/bpf/libbpf.c                             |  4 --
 .../selftests/bpf/prog_tests/cgroup_attach_multi.c |  7 +++
 .../selftests/bpf/prog_tests/load_bytes_relative.c | 71 ++++++++++++++++++++++
 tools/testing/selftests/bpf/prog_tests/ringbuf.c   | 42 ++++++++++---
 tools/testing/selftests/bpf/prog_tests/skeleton.c  | 45 ++++++++++++--
 .../selftests/bpf/prog_tests/xdp_devmap_attach.c   |  8 ---
 .../selftests/bpf/progs/load_bytes_relative.c      | 48 +++++++++++++++
 tools/testing/selftests/bpf/progs/test_skeleton.c  | 19 ++++--
 .../selftests/bpf/progs/test_xdp_devmap_helpers.c  |  2 +-
 .../bpf/progs/test_xdp_with_devmap_helpers.c       |  3 +-
 27 files changed, 348 insertions(+), 93 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c
 create mode 100644 tools/testing/selftests/bpf/progs/load_bytes_relative.c

Re: pull-request: bpf 2020-06-12

[David Miller]

From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Date: Fri, 12 Jun 2020 17:45:47 -0700

> The following pull-request contains BPF updates for your *net* tree.
> 
> We've added 26 non-merge commits during the last 10 day(s) which contain
> a total of 27 files changed, 348 insertions(+), 93 deletions(-).
> 
> The main changes are:
> 
> 1) sock_hash accounting fix, from Andrey.
> 
> 2) libbpf fix and probe_mem sanitizing, from Andrii.
> 
> 3) sock_hash fixes, from Jakub.
> 
> 4) devmap_val fix, from Jesper.
> 
> 5) load_bytes_relative fix, from YiFei.
> 
> Please consider pulling these changes from:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git

Pulled, thanks a lot!