pull-request: bpf 2020-05-29

pull-request: bpf 2020-05-29

[Alexei Starovoitov]

Hi David,

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

We've added 6 non-merge commits during the last 7 day(s) which contain
a total of 4 files changed, 55 insertions(+), 34 deletions(-).

The main changes are:

1) minor verifier fix for fmod_ret progs, from Alexei.

2) af_xdp overflow check, from Bjorn.

3) minor verifier fix for 32bit assignment, from John.

4) powerpc has non-overlapping addr space, from Petr.

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:

Jonathan Lemon, KP Singh, Michael Ellerman, "Minh Bùi Quang", Yonghong 
Song

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

The following changes since commit d04322a0da1e86aedaa322ce933cfb8c0191d1eb:

  Merge tag 'rxrpc-fixes-20200523-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs (2020-05-22 16:43:58 -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 cf66c29bd7534813d2e1971fab71e25fe87c7e0a:

  bpf, selftests: Add a verifier test for assigning 32bit reg states to 64bit ones (2020-05-29 13:34:06 -0700)

----------------------------------------------------------------
Alexei Starovoitov (1):
      bpf: Fix use-after-free in fmod_ret check

Björn Töpel (1):
      xsk: Add overflow check for u64 division, stored into u32

John Fastabend (3):
      bpf: Fix a verifier issue when assigning 32bit reg states to 64bit ones
      bpf, selftests: Verifier bounds tests need to be updated
      bpf, selftests: Add a verifier test for assigning 32bit reg states to 64bit ones

Petr Mladek (1):
      powerpc/bpf: Enable bpf_probe_read{, str}() on powerpc again

 arch/powerpc/Kconfig                          |  1 +
 kernel/bpf/verifier.c                         | 34 ++++++++++----------
 net/xdp/xdp_umem.c                            |  8 +++--
 tools/testing/selftests/bpf/verifier/bounds.c | 46 +++++++++++++++++++--------
 4 files changed, 55 insertions(+), 34 deletions(-)

Re: pull-request: bpf 2020-05-29

[David Miller]

From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Date: Fri, 29 May 2020 13:47:16 -0700

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

Pulled, thanks Alexei.