bpf: Move checks for reserved fields out of the main pass

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Check reserved fields of each insn once in a prepass
instead of repeatedly rechecking them during the main verifier pass.

Link: https://lore.kernel.org/r/20260411200932.41797-1-alexei.starovoitov@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Alexei Starovoitov 2026-04-11 13:09:32 -07:00

parent 57205e2dd9

commit ae3f8ca2ba

2 changed files with 201 additions and 148 deletions

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347

kernel/bpf/verifier.c

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2

tools/testing/selftests/bpf/verifier/junk_insn.c

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