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(-) -- 2.9.5
