bpf: also improve pattern matches for meta access

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Follow-up to 0fd4759c55 ("bpf: fix pattern matches for direct
packet access") to cover also the remaining data_meta/data matches
in the verifier. The matches are also refactored a bit to simplify
handling of all the cases.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Daniel Borkmann 2017-11-01 23:58:10 +01:00 • committed by David S. Miller

parent b06723da82

commit 5beca081be

1 changed files with 96 additions and 69 deletions

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kernel/bpf/verifier.c

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