bpf: verifier: make kfuncs args nullalble

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Some arguments to kfuncs might be NULL in some cases. But currently it's
not possible to pass NULL to any BTF structures because the check for
the suffix is located after all type checks. Move it to earlier place
to allow nullable args.

Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Link: https://lore.kernel.org/r/20240613211817.1551967-2-vadfed@meta.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Vadim Fedorenko 2024-06-13 14:18:13 -07:00 • committed by Alexei Starovoitov

parent 373a4e13ab

commit a90797993a

1 changed files with 3 additions and 3 deletions

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kernel/bpf/verifier.c

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