Subject: [PATCH v2 bpf-next 0/3] bpf: two stack check fixes

From: Alexei Starovoitov <[email-masked]>
Date: Mon, 25 Dec 2017 13:15:39 -0800

Jann reported an issue with stack depth tracking. Fix it and add tests.
Also fix off-by-one error in MAX_CALL_FRAMES check.
This set is on top of Jann's "selftest for late caller stack size increase" test.

Alexei Starovoitov (3):
  bpf: fix maximum stack depth tracking logic
  selftests/bpf: additional stack depth tests
  bpf: fix max call depth check

 include/linux/bpf_verifier.h                |   1 +
 kernel/bpf/verifier.c                       |  86 +++++++++++----
 tools/testing/selftests/bpf/test_verifier.c | 156 ++++++++++++++++++++++++++++
 3 files changed, 225 insertions(+), 18 deletions(-)

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2.9.5