bpf: Fix propagation of signed bounds from 64-bit min/max into 32-bit.
Similar to unsigned bounds propagation fix signed bounds. The 'Fixes' tag is a hint. There is no security bug here. The verifier was too conservative. Fixes: 3f50f132 ("bpf: Verifier, do explicit ALU32 bounds tracking") Signed-off-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NAndrii Nakryiko <andrii@kernel.org> Acked-by: NYonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20211101222153.78759-2-alexei.starovoitov@gmail.com
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