v2->v3: - split the error-logging function to a separate patch (Andrii) - make the error buffers smaller (Andrii) - include size of memory region for PTR_TO_MEM (Andrii) - nits from Andrii and Eduard v1->v2: - make the error message include more info about the context of the zero-sized access (Andrii) Andrei Matei (2): bpf: Simplify checking size of helper accesses bpf: Improve error logging for zero-sized accesses kernel/bpf/verifier.c | 89 +++++++++++++++++-- .../bpf/progs/verifier_helper_value_access.c | 45 +++++++++- .../selftests/bpf/progs/verifier_raw_stack.c | 4 +- 3 files changed, 123 insertions(+), 15 deletions(-) -- 2.40.1