selftests/bpf: new cases handled by 32->64 range refinements

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1. 32-bit range starts before 64-bit range's low bits in each block,
   causing intersection to skip entire blocks.
2. 32-bit range crosses the U32_MAX/0 boundary, represented as s32
   range crossing sign boundary.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260424-cnums-everywhere-rfc-v1-v3-4-ca434b39a486@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Eduard Zingerman 2026-04-24 15:52:45 -07:00 • committed by Alexei Starovoitov

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commit 4c0710ab01

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tools/testing/selftests/bpf/progs/verifier_bounds.c

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