bpf: Avoid incorrect -EFAULT error in BPF_LOG_KERNEL mode

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If verifier log is in BPF_LOG_KERNEL mode, no log->ubuf is expected and
it stays NULL throughout entire verification process. Don't erroneously
return -EFAULT in such case.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Lorenz Bauer <lmb@isovalent.com>
Link: https://lore.kernel.org/bpf/20230406234205.323208-10-andrii@kernel.org

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Andrii Nakryiko 2023-04-06 16:41:55 -07:00 • committed by Daniel Borkmann

parent 971fb5057d

commit cbedb42a0d

1 changed files with 1 additions and 1 deletions

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kernel/bpf/verifier.c

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