pull-request: bpf 2023-09-15

Pull-request

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

Message

Alexei Starovoitov Sept. 16, 2023, 12:38 a.m. UTC

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

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

We've added 21 non-merge commits during the last 8 day(s) which contain
a total of 21 files changed, 450 insertions(+), 36 deletions(-).

The main changes are:

1) Adjust bpf_mem_alloc buckets to match ksize(), from Hou Tao.

2) Check whether override is allowed in kprobe mult, from Jiri Olsa.

3) Fix btf_id symbol generation with ld.lld, from Jiri and Nick.

4) Fix potential deadlock when using queue and stack maps from NMI, from Toke Høiland-Jørgensen.

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:

Alan Maguire, Biju Das, Björn Töpel, Dan Carpenter, Daniel Borkmann, 
Eduard Zingerman, Hsin-Wei Hung, Marcus Seyfarth, Nathan Chancellor, 
Satya Durga Srinivasu Prabhala, Song Liu, Stephen Rothwell

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

The following changes since commit ac28b1ec6135649b5d78b028e47264cb3ebca5ea:

  net: ipv4: fix one memleak in __inet_del_ifa() (2023-09-08 08:02:17 +0100)

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 c0bb9fb0e52a64601d38b3739b729d9138d4c8a1:

  bpf: Fix BTF_ID symbol generation collision in tools/ (2023-09-15 12:08:27 -0700)

----------------------------------------------------------------
Alexei Starovoitov (1):
      Merge branch 'fix-the-unmatched-unit_size-of-bpf_mem_cache'

Andrii Nakryiko (1):
      selftests/bpf: ensure all CI arches set CONFIG_BPF_KPROBE_OVERRIDE=y

Artem Savkov (1):
      selftests/bpf: fix unpriv_disabled check in test_verifier

Christophe JAILLET (1):
      bpf: Fix a erroneous check after snprintf()

Eduard Zingerman (2):
      bpf: Avoid dummy bpf_offload_netdev in __bpf_prog_dev_bound_init
      selftests/bpf: Offloaded prog after non-offloaded should not cause BUG

Hou Tao (5):
      bpf: Adjust size_index according to the value of KMALLOC_MIN_SIZE
      bpf: Don't prefill for unused bpf_mem_cache
      bpf: Ensure unit_size is matched with slab cache object size
      selftests/bpf: Test all valid alloc sizes for bpf mem allocator
      bpf: Skip unit_size checking for global per-cpu allocator

Ilya Leoshkevich (1):
      netfilter, bpf: Adjust timeouts of non-confirmed CTs in bpf_ct_insert_entry()

Jiri Olsa (5):
      bpf: Add override check to kprobe multi link attach
      selftests/bpf: Add kprobe_multi override test
      selftests/bpf: Fix kprobe_multi_test/attach_override test
      bpf: Fix uprobe_multi get_pid_task error path
      bpf: Fix BTF_ID symbol generation collision

Martin KaFai Lau (1):
      Merge branch 'Avoid dummy bpf_offload_netdev in __bpf_prog_dev_bound_init'

Nick Desaulniers (1):
      bpf: Fix BTF_ID symbol generation collision in tools/

Randy Dunlap (1):
      bpf, cgroup: fix multiple kernel-doc warnings

Stanislav Fomichev (2):
      bpf: Clarify error expectations from bpf_clone_redirect
      selftests/bpf: Update bpf_clone_redirect expected return code

Toke Høiland-Jørgensen (1):
      bpf: Avoid deadlock when using queue and stack maps from NMI

 include/linux/btf_ids.h                            |   2 +-
 include/uapi/linux/bpf.h                           |   4 +-
 kernel/bpf/btf.c                                   |   2 +-
 kernel/bpf/cgroup.c                                |  13 ++-
 kernel/bpf/memalloc.c                              |  94 +++++++++++++++-
 kernel/bpf/offload.c                               |  12 +-
 kernel/bpf/queue_stack_maps.c                      |  21 +++-
 kernel/trace/bpf_trace.c                           |  20 +++-
 net/netfilter/nf_conntrack_bpf.c                   |   2 +
 tools/include/linux/btf_ids.h                      |   2 +-
 tools/include/uapi/linux/bpf.h                     |   4 +-
 tools/testing/selftests/bpf/DENYLIST.aarch64       |  10 +-
 tools/testing/selftests/bpf/config                 |   1 +
 tools/testing/selftests/bpf/config.x86_64          |   1 -
 tools/testing/selftests/bpf/prog_tests/empty_skb.c |  12 +-
 .../selftests/bpf/prog_tests/kprobe_multi_test.c   |  37 +++++++
 .../testing/selftests/bpf/prog_tests/test_bpf_ma.c |  50 +++++++++
 .../selftests/bpf/prog_tests/xdp_dev_bound_only.c  |  61 ++++++++++
 .../selftests/bpf/progs/kprobe_multi_override.c    |  13 +++
 tools/testing/selftests/bpf/progs/test_bpf_ma.c    | 123 +++++++++++++++++++++
 tools/testing/selftests/bpf/test_verifier.c        |   2 +-
 21 files changed, 450 insertions(+), 36 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c
 create mode 100644 tools/testing/selftests/bpf/prog_tests/xdp_dev_bound_only.c
 create mode 100644 tools/testing/selftests/bpf/progs/kprobe_multi_override.c
 create mode 100644 tools/testing/selftests/bpf/progs/test_bpf_ma.c