pull-request: bpf 2023-11-30

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

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

We've added 5 non-merge commits during the last 7 day(s) which contain
a total of 10 files changed, 66 insertions(+), 15 deletions(-).

The main changes are:

1) Fix AF_UNIX splat from use after free in BPF sockmap, from John Fastabend.

2) Fix a syzkaller splat in netdevsim by properly handling offloaded programs (and
   not device-bound ones), from Stanislav Fomichev.

3) Fix bpf_mem_cache_alloc_flags() to initialize the allocation hint, from Hou Tao.

4) Fix netkit by rejecting IFLA_NETKIT_PEER_INFO in changelink, from Daniel Borkmann.

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:

Jakub Kicinski, Jakub Sitnicki, Nikolay Aleksandrov, Yonghong Song

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

The following changes since commit d3fa86b1a7b4cdc4367acacea16b72e0a200b3d7:

  Merge tag 'net-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (2023-11-23 10:40:13 -0800)

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 51354f700d400e55b329361e1386b04695e6e5c1:

  bpf, sockmap: Add af_unix test with both sockets in map (2023-11-30 00:25:25 +0100)

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

----------------------------------------------------------------
Daniel Borkmann (1):
      netkit: Reject IFLA_NETKIT_PEER_INFO in netkit_change_link

Hou Tao (1):
      bpf: Add missed allocation hint for bpf_mem_cache_alloc_flags()

John Fastabend (2):
      bpf, sockmap: af_unix stream sockets need to hold ref for pair sock
      bpf, sockmap: Add af_unix test with both sockets in map

Stanislav Fomichev (1):
      netdevsim: Don't accept device bound programs

 drivers/net/netdevsim/bpf.c                        |  4 +-
 drivers/net/netkit.c                               |  6 +++
 include/linux/skmsg.h                              |  1 +
 include/net/af_unix.h                              |  1 +
 kernel/bpf/memalloc.c                              |  2 +
 net/core/skmsg.c                                   |  2 +
 net/unix/af_unix.c                                 |  2 -
 net/unix/unix_bpf.c                                |  5 +++
 .../selftests/bpf/prog_tests/sockmap_listen.c      | 51 +++++++++++++++++-----
 .../selftests/bpf/progs/test_sockmap_listen.c      |  7 +++
 10 files changed, 66 insertions(+), 15 deletions(-)




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