bpf: derive subreg bounds from full bounds when upper 32 bits are constant

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Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20231102033759.2541186-6-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Andrii Nakryiko 2023-11-01 20:37:47 -07:00 • committed by Alexei Starovoitov

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commit c1efab6468

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kernel/bpf/verifier.c

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