pull-request: bpf 2021-01-29

pull-request: bpf 2021-01-29

[Daniel Borkmann]

Hi David, hi Jakub,

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

We've added 5 non-merge commits during the last 6 day(s) which contain
a total of 4 files changed, 27 insertions(+), 3 deletions(-).

The main changes are:

1) Fix two copy_{from,to}_user() warn_on_once splats for BPF cgroup getsockopt
   infra when user space is trying to race against optlen, from Loris Reiff.

2) Fix a missing fput() in BPF inode storage map update helper, from Pan Bian.

3) Fix a build error on unresolved symbols on disabled networking / keys LSM
   hooks, from Mikko Ylinen.

4) Fix preload BPF prog build when the output directory from make points to a
   relative path, from Quentin Monnet.

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, David Gow, KP Singh, Stanislav Fomichev

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

The following changes since commit 35c715c30b95205e64311c3bb3525094cd3d7236:

  Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec (2021-01-21 11:05:10 -0800)

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 150a27328b681425c8cab239894a48f2aeb870e9:

  bpf, preload: Fix build when $(O) points to a relative path (2021-01-26 23:13:25 +0100)

----------------------------------------------------------------
Loris Reiff (2):
      bpf, cgroup: Fix optlen WARN_ON_ONCE toctou
      bpf, cgroup: Fix problematic bounds check

Mikko Ylinen (1):
      bpf: Drop disabled LSM hooks from the sleepable set

Pan Bian (1):
      bpf, inode_storage: Put file handler if no storage was found

Quentin Monnet (1):
      bpf, preload: Fix build when $(O) points to a relative path

 kernel/bpf/bpf_inode_storage.c |  6 +++++-
 kernel/bpf/bpf_lsm.c           | 12 ++++++++++++
 kernel/bpf/cgroup.c            |  7 ++++++-
 kernel/bpf/preload/Makefile    |  5 ++++-
 4 files changed, 27 insertions(+), 3 deletions(-)

Re: pull-request: bpf 2021-01-29

[Jakub Kicinski]

On Fri, 29 Jan 2021 01:15:56 +0100 Daniel Borkmann wrote:
> 1) Fix two copy_{from,to}_user() warn_on_once splats for BPF cgroup getsockopt
>    infra when user space is trying to race against optlen, from Loris Reiff.
> 
> 2) Fix a missing fput() in BPF inode storage map update helper, from Pan Bian.
> 
> 3) Fix a build error on unresolved symbols on disabled networking / keys LSM
>    hooks, from Mikko Ylinen.
> 
> 4) Fix preload BPF prog build when the output directory from make points to a
>    relative path, from Quentin Monnet.

Pulled, thanks! 

I keep forgetting that pw bot ignores BPF PRs for some reason.