pull-request: bpf 2021-02-10

pull-request: bpf 2021-02-10

[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 8 day(s) which contain
a total of 3 files changed, 22 insertions(+), 21 deletions(-).

The main changes are:

1) Fix missed execution of kprobes BPF progs when kprobe is firing via
   int3, from Alexei Starovoitov.

2) Fix potential integer overflow in map max_entries for stackmap on
   32 bit archs, from Bui Quang Minh.

3) Fix a verifier pruning and a insn rewrite issue related to 32 bit ops,
   from Daniel Borkmann.

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:

Alexei Starovoitov, Anatoly Trosinenko, John Fastabend, Masami 
Hiramatsu, Nikolay Borisov

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

The following changes since commit 3aaf0a27ffc29b19a62314edd684b9bc6346f9a8:

  Merge tag 'clang-format-for-linux-v5.11-rc7' of git://github.com/ojeda/linux (2021-02-02 10:46:59 -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 e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90:

  bpf: Fix 32 bit src register truncation on div/mod (2021-02-10 01:32:40 +0100)

----------------------------------------------------------------
Alexei Starovoitov (1):
      bpf: Unbreak BPF_PROG_TYPE_KPROBE when kprobe is called via do_int3

Bui Quang Minh (1):
      bpf: Check for integer overflow when using roundup_pow_of_two()

Daniel Borkmann (3):
      bpf: Fix verifier jsgt branch analysis on max bound
      bpf: Fix verifier jmp32 pruning decision logic
      bpf: Fix 32 bit src register truncation on div/mod

 kernel/bpf/stackmap.c    |  2 ++
 kernel/bpf/verifier.c    | 38 ++++++++++++++++++++------------------
 kernel/trace/bpf_trace.c |  3 ---
 3 files changed, 22 insertions(+), 21 deletions(-)